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Ordinance
on Protection against Major Accidents
(Major Accidents Ordinance, MAO)

The Swiss Federal Council,

on the basis of Articles 10 paragraph 4 and 39 paragraph 1 of the Federal Act
of 7 October 19831 on the Protection of the Environment (EPA)
and Article 47 paragraph 1 of the Waters Protection Act of 24 January 19912,3

ordains:

1SR 814.01

2SR 814.20

3Amended by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

Section 1 General Provisions

Art. 1 Purpose and scope  

1 The pur­pose of this Or­din­ance is to pro­tect the pub­lic and the en­vir­on­ment against ser­i­ous harm or dam­age res­ult­ing from ma­jor ac­ci­dents.

2 It ap­plies to:

a.4
es­tab­lish­ments where the threshold quant­it­ies for sub­stances, pre­par­a­tions or spe­cial wastes spe­cified in An­nex 1.1 are ex­ceeded;
b.5
es­tab­lish­ments where an activ­ity in­volving ge­net­ic­ally mod­i­fied or patho­gen­ic or­gan­isms or ali­en mi­croor­gan­isms sub­ject to com­puls­ory con­tain­ment is car­ried out which is to be as­signed to Class 3 or Class 4 in ac­cord­ance with the Con­tain­ment Or­din­ance of 9 May 20126;
c.7
rail­way in­stall­a­tions in ac­cord­ance with An­nex 1.2a;
d.
trans­it roads, as defined in the Or­din­ance of 6 June 19838 on Trans­it Roads, where dan­ger­ous goods are trans­por­ted or tran­shipped in ac­cord­ance with the Or­din­ance of 17 April 19859 on the Car­riage of Dan­ger­ous Goods by Road (SDR) or the rel­ev­ant in­ter­na­tion­al agree­ments;
e.
the Rhine, where dan­ger­ous goods are trans­por­ted or tran­shipped in ac­cord­ance with the Or­din­ance of 29 April 197010 on the Car­riage of Dan­ger­ous Goods on the Rhine (AD­NR);
f.11
pipeline in­stall­a­tions as defined in the Pipelines Or­din­ance of 26 June 201912 which meet the cri­ter­ia spe­cified in An­nex 1.3.

2bis The en­force­ment au­thor­ity may ex­empt es­tab­lish­ments un­der para­graph 2 let­ter b from the scope of this Or­din­ance that:

a.
only carry out Class 3 activ­it­ies with or­gan­isms in ac­cord­ance with An­nex 1.4 which, due to their prop­er­ties, can­not spread un­con­trol­lably among the pub­lic and in the en­vir­on­ment; and
b.
due to their haz­ard po­ten­tial, can­not ser­i­ously harm the pub­lic or the en­vir­on­ment.13

3 In in­di­vidu­al cases, the en­force­ment au­thor­ity may make the fol­low­ing es­tab­lish­ments, trans­port routes or pipeline in­stall­a­tions sub­ject to this Or­din­ance if, on ac­count of their haz­ard po­ten­tial, they could cause ser­i­ous harm to the pub­lic or dam­age to the en­vir­on­ment:14

a.15
es­tab­lish­ments hand­ling sub­stances, pre­par­a­tions or spe­cial wastes;
b.16
es­tab­lish­ments where an activ­ity in­volving ge­net­ic­ally mod­i­fied or patho­gen­ic or­gan­isms or ali­en mi­croor­gan­isms sub­ject to com­puls­ory con­tain­ment is car­ried out which is to be as­signed to Class 2 in ac­cord­ance with the Con­tain­ment Or­din­ance, in con­sulta­tion with the Swiss Ex­pert Com­mit­tee for Biosafety;
c.
trans­port routes out­side es­tab­lish­ments, where dan­ger­ous goods are trans­por­ted or tran­shipped in ac­cord­ance with para­graph 2;
d.17
pipeline in­stall­a­tions as defined in the Pipelines Or­din­ance which do not meet the cri­ter­ia spe­cified in An­nex 1.3.18

4 This Or­din­ance does not ap­ply to in­stall­a­tions and forms of trans­port which are sub­ject to le­gis­la­tion on nuc­le­ar en­ergy and ra­di­olo­gic­al pro­tec­tion, in­so­far as the as­so­ci­ated ra­di­ation could cause harm to the pub­lic or dam­age to the en­vir­on­ment.19

5 The pro­vi­sions of Art­icle 10 EPA are dir­ectly ap­plic­able to es­tab­lish­ments or trans­port routes which, in the case of ex­cep­tion­al events, could cause ser­i­ous harm to the pub­lic or dam­age to the en­vir­on­ment not arising from sub­stances, pre­par­a­tions, spe­cial wastes or dan­ger­ous goods, or from ge­net­ic­ally mod­i­fied or patho­gen­ic or­gan­isms or ali­en or­gan­isms sub­ject to com­puls­ory con­tain­ment.20

4 Amended by No II 8 of the O of 18 May 2005 on the Re­peal and Amend­ment of Or­din­ances in con­nec­tion with the Com­mence­ment of the Chem­ic­als Act, in force since 1 Aug. 2005 (AS 2005 2695).

5 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

6 SR 814.912

7 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

8[AS 1983 678. AS 1992 341Art. 7]. Now: Trans­it Roads Or­din­ance of 18 Dec. 1991 (SR 741.272).

9[AS 1985 620; 1989 2482; 19943006; 1995 4425An­nex 1 No II 11, 4866;1997 422No II; 1998 1796 Art. 1 No 18 and Art. 6; 1999 751No II; 2002 419, 1183. AS 2002 4212Art. 29 para. 1]. Now: the O of 29 Nov. 2002 (SR 741.621).

10[AS 1971 1957, 1977 768, 1983 486, 1987 1454, 1990 1356]. Now: O of 2 March 2010 (SR 747.224.141).

11 In­ser­ted by No I of the O of 13 Feb. 2013 (AS 2013 749). Amended by An­nex No 2 of the Pipelines Or­din­ance of 26 June 2019, in force since 1 Aug. 2019 (AS 2019 2205).

12SR 746.11

13 In­ser­ted by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

14 Amended by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

15 Amended by No II 8 of the O of 18 May 2005 on the Re­peal and Amend­ment of Or­din­ances in con­nec­tion with the Com­mence­ment of the Chem­ic­als Act, in force since 1 Aug. 2005 (AS 2005 2695).

16 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

17 In­ser­ted by No I of the O of 13 Feb. 2013 (AS 2013 749). Amended by An­nex No 2 of the Pipelines Or­din­ance of 26 June 2019, in force since 1 Aug. 2019 (AS 2019 2205).

18 Amended by An­nex 5 No 2 of the Con­tain­ment O of 25 Aug. 1999, in force since 1 Nov. 1999 (AS 1999 2783).

19 Amended by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

20 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 2 Definitions  

1 An es­tab­lish­ment com­prises in­stall­a­tions as defined in Art­icle 7 para­graph 7 EPA which have closely re­lated op­er­a­tions and are in close prox­im­ity to each oth­er (op­er­at­ing area).

2 …21

3 The haz­ard po­ten­tial is the sum of the ef­fects which could arise from the quant­it­ies and prop­er­ties of the sub­stances, pre­par­a­tions, spe­cial wastes, or­gan­isms or dan­ger­ous goods in ques­tion.22

4 A ma­jor ac­ci­dent is an ex­cep­tion­al event oc­cur­ring in an es­tab­lish­ment, on a trans­port route or in a pipeline in­stall­a­tion which has sig­ni­fic­ant ef­fects:23

a.
out­side the op­er­at­ing area;
b.
on or near the trans­port route;
c.24
near the pipeline in­stall­a­tion.

5 The risk is de­term­ined by the ex­tent of the pos­sible harm to the pub­lic or dam­age to the en­vir­on­ment res­ult­ing from ma­jor ac­ci­dents and the like­li­hood of their oc­cur­rence.

21 Re­pealed by No I of the O of 29 April 2015, with ef­fect from 1 June 2015 (AS 2015 1337)

22 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

23 Amended by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

24 In­ser­ted by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

Section 2 Principles of Prevention

Art. 3 Safety measures 25  

1 The per­son re­spons­ible for an es­tab­lish­ment, a trans­port route or a pipeline in­stall­a­tion shall take all ap­pro­pri­ate meas­ures to re­duce risk that are avail­able in ac­cord­ance with the state of the art of safety tech­no­logy, sup­ple­men­ted by per­son­al ex­per­i­ence, and which are eco­nom­ic­ally vi­able. These shall in­clude meas­ures to re­duce the haz­ard po­ten­tial, to pre­vent ma­jor ac­ci­dents and to lim­it the ef­fects there­of.26

2 When meas­ures are se­lec­ted, ac­count shall be taken of op­er­a­tion­al and loc­al factors which could cause ma­jor ac­ci­dents, as well as ac­tions of un­au­thor­ised per­sons.

3 When meas­ures are im­ple­men­ted, ac­count shall be taken in par­tic­u­lar of the prin­ciples laid down in An­nex 2, and in par­tic­u­lar the meas­ures in ac­cord­ance with An­nexes 2.2–2.5.27

25 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

26 Amended by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

27 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 428  

28 Re­pealed by No I of the O of 29 April 2015, with ef­fect from 1 June 2015 (AS 2015 1337)
Art. 5 Summary report  

1 The per­son re­spons­ible for an es­tab­lish­ment must sub­mit a sum­mary re­port to the en­force­ment au­thor­ity. It shall in­clude:

a.
a con­cise de­scrip­tion of the es­tab­lish­ment, to­geth­er with a gen­er­al plan and in­form­a­tion on the sur­round­ing area;
b.29
a list of the max­im­um quant­it­ies of the sub­stances, pre­par­a­tions or spe­cial wastes present in the es­tab­lish­ment which ex­ceed the threshold quant­it­ies spe­cified in An­nex 1.1, to­geth­er with the ap­plic­able threshold quant­it­ies;
c.30
the risk re­port spe­cified in Art­icles 6 and 7 of the Con­tain­ment Or­din­ance of 9 May 201231;
d.
doc­u­ments drawn up in the pre­par­a­tion of any prop­erty and cor­por­ate li­ab­il­ity in­sur­ance policies;
e.
de­tails of safety meas­ures;
f.
an es­tim­ate of the ex­tent of pos­sible harm to the pub­lic or dam­age to the en­vir­on­ment res­ult­ing from ma­jor ac­ci­dents.

2 The per­son re­spons­ible for a trans­port route shall sub­mit a sum­mary re­port to the en­force­ment au­thor­ity. It shall in­clude:

a.
a con­cise de­scrip­tion of the struc­tur­al and tech­nic­al design of the trans­port route, to­geth­er with a gen­er­al plan and in­form­a­tion on the sur­round­ing area;
b.
data on the volume and struc­ture of traffic on the trans­port route and ac­ci­dent stat­ist­ics;
c.
de­tails of safety meas­ures;
d.
an es­tim­ate of the like­li­hood of a ma­jor ac­ci­dent caus­ing ser­i­ous harm to the pub­lic or dam­age to the en­vir­on­ment.

3 The per­son re­spons­ible for a pipeline in­stall­a­tion shall sub­mit a sum­mary re­port to the en­force­ment au­thor­ity. It shall in­clude:

a.
a con­cise de­scrip­tion of the struc­tur­al and tech­nic­al design of the pipeline in­stall­a­tion, to­geth­er with a gen­er­al plan and in­form­a­tion on the sur­round­ing area;
b.
data on the type, com­pos­i­tion and phys­ic­al state of the sub­stances and pre­par­a­tions trans­por­ted, to­geth­er with the ap­proved op­er­at­ing pres­sure and ac­ci­dent stat­ist­ics;
c.
de­tails of safety meas­ures;
d.
an es­tim­ate of the like­li­hood of a ma­jor ac­ci­dent caus­ing ser­i­ous harm to the pub­lic or dam­age to the en­vir­on­ment.32

4 ...33

5 The en­force­ment au­thor­ity shall ex­empt the per­son re­spons­ible for a through road from the duty to sub­mit a sum­mary re­port if, based on the in­form­a­tion avail­able, it is able, without a sum­mary re­port, to as­sess as val­id the as­sump­tion that the like­li­hood of ma­jor ac­ci­dents caus­ing ser­i­ous harm is suf­fi­ciently low.34

29 Amended by No II 8 of the O of 18 May 2005 on the Re­peal and Amend­ment of Or­din­ances in con­nec­tion with the Com­mence­ment of the Chem­ic­als Act, in force since 1 Aug. 2005 (AS 2005 2695).

30 Amended by An­nex 5 No 7 of the Con­tain­ment O of 9 May 2012, in force since 1 June 2012 (AS 2012 2777).

31 SR 814.912

32 Amended by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

33 In­ser­ted by No I of the O of 13 Feb. 2013 (AS 2013 749). Re­pealed by No I of the O of 29 April 2015, with ef­fect from 1 June 2015 (AS 2015 1337).

34 In­ser­ted by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 6 Assessment of the summary report, risk report  

1 The en­force­ment au­thor­ity shall veri­fy that the sum­mary re­port is com­plete and cor­rect.

2 In par­tic­u­lar, it shall veri­fy:

a.
in the case of es­tab­lish­ments, wheth­er the es­tim­ate of the ex­tent of pos­sible harm or dam­age (Art. 5 para. 1 let. f) is plaus­ible;
b.
in the case of trans­port routes, wheth­er the es­tim­ate of the like­li­hood of a ma­jor ac­ci­dent caus­ing ser­i­ous harm or dam­age (Art. 5 para. 2 let. d) is plaus­ible;
c.35
in the case of pipeline in­stall­a­tions, wheth­er the es­tim­ate of the like­li­hood of a ma­jor ac­ci­dent caus­ing ser­i­ous harm or dam­age (Art. 5 para. 3 let. d) is plaus­ible.

3 Fol­low­ing an on-site in­spec­tion, where ap­pro­pri­ate, it shall as­sess the valid­ity of the as­sump­tion that:

a.
in the case of es­tab­lish­ments, ser­i­ous harm to the pub­lic or dam­age to the en­vir­on­ment arising from ma­jor ac­ci­dents is not to be ex­pec­ted;
b.
in the case of trans­port routes, the like­li­hood of oc­cur­rence of a ma­jor ac­ci­dent caus­ing ser­i­ous harm or dam­age is suf­fi­ciently low;
c.36
in the case of pipeline in­stall­a­tions, the like­li­hood of oc­cur­rence of a ma­jor ac­ci­dent caus­ing ser­i­ous harm or dam­age is suf­fi­ciently low.

3bis The en­force­ment au­thor­ity shall set out the res­ults of its as­sess­ment in writ­ing.37

4 If the as­sump­tion in ac­cord­ance with para­graph 3 is not val­id, it shall or­der the per­son re­spons­ible to pre­pare and sub­mit to it a risk re­port in ac­cord­ance with An­nex 4.38

35 In­ser­ted by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

36 In­ser­ted by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

37 In­ser­ted by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

38 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 7 Assessment of the risk report  

1 The en­force­ment au­thor­ity shall re­view the risk re­port and as­sess wheth­er the risk is ac­cept­able. It shall set out its as­sess­ment in writ­ing.39

2 When eval­u­at­ing the ac­cept­ab­il­ity of the risk, it shall take ac­count of loc­al risk factors and pay par­tic­u­lar at­ten­tion to the fact that the like­li­hood of oc­cur­rence of a ma­jor ac­ci­dent must be all the lower:

a.40
the more the need to pro­tect the pub­lic or the en­vir­on­ment against ser­i­ous harm or dam­age arising from ma­jor ac­ci­dents out­weighs private and pub­lic in­terests in the op­er­a­tion of an es­tab­lish­ment, a trans­port route or a pipeline in­stall­a­tion;
b.
the great­er the ex­tent of the pos­sible harm to the pub­lic or dam­age to the en­vir­on­ment.

39 Amended by No I. of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

40 Amended by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).
Art. 8 Additional safety measures  

1 If the risk is un­ac­cept­able, the en­force­ment au­thor­ity shall or­der such ad­di­tion­al meas­ures as may be re­quired. If ne­ces­sary, these may in­clude re­stric­tions or pro­hib­i­tions on op­er­a­tions and traffic.

2 In the case of meas­ures for which a dif­fer­ent pub­lic body is re­spons­ible, the en­force­ment au­thor­ity shall sub­mit ap­pro­pri­ate re­quests to the com­pet­ent au­thor­ity. If ne­ces­sary, the Fed­er­al Coun­cil shall co­ordin­ate the ad­op­tion of meas­ures.
Art. 8a Change in circumstances 41  

1 If the per­son re­spons­ible has pre­pared a sum­mary re­port, but not a risk re­port and if the cir­cum­stances change sig­ni­fic­antly there­after or rel­ev­ant new find­ings be­come avail­able, they must amend the sum­mary re­port and re­sub­mit it to the en­force­ment au­thor­ity.

2 If the per­son re­spons­ible has pre­pared a risk re­port and the cir­cum­stances change sig­ni­fic­antly there­after or rel­ev­ant new find­ings be­come avail­able, they must:

a.
amend the risk re­port and re­sub­mit it to the en­force­ment au­thor­ity;
b.
amend the sum­mary re­port in­stead of the risk re­port and re­sub­mit it to the en­force­ment au­thor­ity if:
1.
ser­i­ous harm to the pub­lic or to the en­vir­on­ment from ma­jor ac­ci­dents need no longer be ex­pec­ted,
2.
in the case of trans­port routes and pipeline in­stall­a­tions, the prob­ab­il­ity of a ma­jor ac­ci­dent caus­ing ser­i­ous harm is suf­fi­ciently low.

41 In­ser­ted by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 8b Inspections 42  

1 In or­der to veri­fy if the per­son re­spons­ible is ful­filling their du­ties un­der this Or­din­ance, the en­force­ment au­thor­ity shall con­duct reg­u­lar on-site in­spec­tions. It shall set out its as­sess­ment in writ­ing.

2 The en­force­ment au­thor­ity shall de­cide on the fre­quency of in­spec­tion based on the haz­ard po­ten­tial, the type and com­plex­ity of the es­tab­lish­ment, trans­port route or pipeline in­stall­a­tion and the res­ults of earli­er in­spec­tions.

42 In­ser­ted by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 9 and 1043  

43 Re­pealed by No I of the O of 29 April 2015, with ef­fect from 1 June 2015 (AS 2015 1337)

Section 3 Response to Major Accidents

Art. 11  

1 The per­son re­spons­ible shall make every ef­fort to re­spond to ma­jor ac­ci­dents.

2 In par­tic­u­lar, he shall:

a.
im­me­di­ately tackle ma­jor ac­ci­dents and no­ti­fy the point of con­tact;
b.
im­me­di­ately se­cure the ac­ci­dent site and pre­vent fur­ther ef­fects;
c.
rem­edy any ef­fects as soon as pos­sible.

3 He shall sub­mit a re­port to the en­force­ment au­thor­ity with­in three months after the ac­ci­dent. The re­port shall in­clude:

a.
a de­scrip­tion of the course and ef­fects of the ma­jor ac­ci­dent, and of the re­sponse provided;
b.
in­form­a­tion on the ef­fect­ive­ness of the safety meas­ures;
c.
an as­sess­ment of the ac­ci­dent.

4 If the per­son re­spons­ible is un­able to draw up the re­port with­in the peri­od spe­cified, he must sub­mit an ap­plic­a­tion for an ex­ten­sion to the en­force­ment au­thor­ity, stat­ing the reas­ons, to­geth­er with an in­ter­im re­port on the state of the in­vest­ig­a­tions.

Section 3a Coordination with Spatial Planning Activities 44

44 Inserted by No I of the O of 21 Sept. 2018, in force since 1 Nov. 2018 (AS 2018 3505).
Art. 11a … 4546  

1 The can­tons shall take ma­jor ac­ci­dent pre­ven­tion in­to ac­count in struc­ture and land use plans and in their oth­er spa­tial plan­ning activ­it­ies.47

2 For es­tab­lish­ments, trans­port routes and pipeline in­stall­a­tions, the en­force­ment au­thor­ity shall des­ig­nate the ad­join­ing area in which the con­struc­tion of build­ings and in­stall­a­tions may lead to a sig­ni­fic­ant in­crease in the risk.

3 Be­fore the com­pet­ent au­thor­ity makes a de­cision on a change to a struc­ture or land use plan in an area as spe­cified in para­graph 2, it shall ob­tain an ex­pert opin­ion from the en­force­ment au­thor­ity for risk as­sess­ment pur­poses.

45 In­ser­ted by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

46 Re­pealed by No I of the O of 21 Sept. 2018, with ef­fect from 1 Nov. 2018 (AS 2018 3505).

47 Amended by No I of the O of 21 Sept. 2018, in force since 1 Nov. 2018 (AS 2018 3505).

Section 4 Responsibilities of the Cantons48

48 Originally before Art. 11a.
Art. 12 Point of contact  

1 The can­tons shall des­ig­nate a point of con­tact, which is re­spons­ible for re­ceiv­ing no­ti­fic­a­tions of ma­jor ac­ci­dents at any time and im­me­di­ately alert­ing the emer­gency ser­vices.

2 The can­tons shall also en­sure that a cent­ral of­fice is des­ig­nated, which im­me­di­ately for­wards no­ti­fic­a­tions of ma­jor ac­ci­dents to the Na­tion­al Emer­gency Op­er­a­tions Centre (NEOC) Emer­gency Desk (ASN).49

49 Amended by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).
Art. 13 Information and alerts 50  

1 The can­tons shall in­form the pub­lic of:

a.
the geo­graph­ic­al loc­a­tion of es­tab­lish­ments and trans­port routes;
b.
the ad­join­ing areas in ac­cord­ance with Art­icle 11a para­graph 2.

2 The can­tons shall en­sure that, in the event of a ma­jor ac­ci­dent, the pop­u­la­tion af­fected is in­formed in good time and, if ne­ces­sary, aler­ted and ad­vised how to act.

3 They shall also en­sure that neigh­bour­ing can­tons and states are in­formed in good time and, if ne­ces­sary, aler­ted, if ma­jor ac­ci­dents could have sig­ni­fic­ant ef­fects bey­ond can­ton­al or na­tion­al bor­ders.

50 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 14 Coordination of emergency services  

The can­tons shall co­ordin­ate the emer­gency ser­vices with the re­spons­ible per­sons’ emer­gency plans.
Art. 15 Coordination of inspections 51  

As far as pos­sible, the can­tons shall co­ordin­ate the in­spec­tions of es­tab­lish­ments and trans­port routes which they are re­quired to carry out un­der this and oth­er le­gis­la­tion.

51 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 16 Provision of information to the FOEN 52  

1 The can­tons shall peri­od­ic­ally provide the Fed­er­al Of­fice for the En­vir­on­ment (FOEN) with in­form­a­tion in the form of an over­view of the haz­ard po­ten­tials and risks with­in their ter­rit­ory (risk re­gister), to­geth­er with the meas­ures im­ple­men­ted.53

2 To this end, the com­pet­ent fed­er­al and can­ton­al au­thor­it­ies shall make the ne­ces­sary in­form­a­tion avail­able on re­quest.

3 The above is sub­ject to leg­al re­quire­ments con­cern­ing secrecy.

52 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

53 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

Section 5 Responsibilities of the Confederation

Art. 17 Data collection by the FOEN 54  

1 The com­pet­ent fed­er­al and can­ton­al au­thor­it­ies shall for­ward to the FOEN55 on re­quest any in­form­a­tion col­lec­ted in ac­cord­ance with this Or­din­ance.

2 The FOEN shall en­sure that the data is pro­cessed and made avail­able to the com­pet­ent au­thor­it­ies, in­so­far as this is ne­ces­sary for the im­ple­ment­a­tion of this Or­din­ance.

3 The above is sub­ject to leg­al re­quire­ments con­cern­ing secrecy.

54 Amended by An­nex 2 No II 104 of the Data Pro­tec­tion Or­din­ance of 31 Aug. 2022, in force since 1 Sept. 2023 (AS 2022 568).

55 Ex­pr. in ac­cord­ance with No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337). This amend­ment has been made throughout the text.
Art. 18 and 1956  

56 Re­pealed by No I of the O of 29 April 2015, with ef­fect from 1 June 2015 (AS 2015 1337)
Art. 20 Information 57  

1 The com­pet­ent fed­er­al au­thor­it­ies shall in­form the pub­lic of:

a.
the geo­graph­ic­al loc­a­tion of es­tab­lish­ments, trans­port routes and pipeline in­stall­a­tions;
b.
the ad­join­ing areas in ac­cord­ance with Art­icle 11a para­graph 2.

2 In the event of ma­jor ac­ci­dents which could have sig­ni­fic­ant ef­fects bey­ond na­tion­al bor­ders, the com­pet­ent fed­er­al au­thor­it­ies shall in­form the rel­ev­ant Swiss mis­sions abroad and the for­eign au­thor­it­ies con­cerned.

57 Amended by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 2158  

58 Re­pealed by No I of the O of 29 April 2015, with ef­fect from 1 June 2015 (AS 2015 1337)
Art. 22 Guidelines  

The FOEN shall, as re­quired, pub­lish guidelines which ex­plain the es­sen­tial pro­vi­sions of the Or­din­ance; these in­clude, in par­tic­u­lar, the pro­vi­sions con­cern­ing the scope of the Or­din­ance, safety meas­ures, the pre­par­a­tion of the sum­mary re­port and risk re­port, and the re­view and as­sess­ment there­of.

Section 6 Final Provisions

Art. 23 Enforcement 59  

1 The can­tons shall en­force this Or­din­ance un­less re­spons­ib­il­ity for en­force­ment is as­signed to the Con­fed­er­a­tion.

2 When ap­ply­ing oth­er fed­er­al acts or in­ter­na­tion­al agree­ments or res­ol­u­tions re­lat­ing to mat­ters reg­u­lated by this Or­din­ance, fed­er­al au­thor­it­ies shall also be re­spons­ible for en­for­cing this Or­din­ance. Par­ti­cip­a­tion of the FOEN and the can­tons is gov­erned by Art­icle 41 para­graphs 2 and 4 EPA; these pro­vi­sions are sub­ject to leg­al re­quire­ments con­cern­ing secrecy.

3 The FOEN shall spe­cify the min­im­al geodata mod­els and present­a­tion mod­els for of­fi­cial geodata in ac­cord­ance with this Or­din­ance for which it is des­ig­nated as the com­pet­ent fed­er­al au­thor­ity in An­nex 1 of the Or­din­ance of 21 May 200860 on Geoin­form­a­tion.61

59 Amended by No II 8 of the O of 2 Feb. 2000 to the Fed­er­al Act on the Co­ordin­a­tion and Sim­pli­fic­a­tion of De­cision-Mak­ing Pro­ced­ures, with ef­fect from 1 March 2000 (AS 2000 703).

60 SR 510.620

61 In­ser­ted by An­nex 2 No 5 of the O of 21 May 2008 on Geoin­form­a­tion, in force since 1 Ju­ly 2008 (AS 2008 2809).
Art. 23a Amendment of Annexes 62  

1 DE­TEC may, hav­ing con­sul­ted the per­sons con­cerned and in­so­far as is re­quired by the state of the art in safety tech­no­logy, the haz­ard po­ten­tial and the volume of haz­ard­ous goods, amend An­nexes 1.1 No 3 and 1.2a of this Or­din­ance.

2 DE­TEC may, in agree­ment with the Fed­er­al De­part­ment of Eco­nom­ic Af­fairs, Edu­ca­tion and Re­search and the Fed­er­al De­part­ment of Home Af­fairs and hav­ing con­sul­ted the Swiss Ex­pert Com­mit­tee for Biosafety, amend the list in An­nex 1.4 if new find­ings as to the prop­er­ties of cer­tain or­gan­isms so re­quire.

62 In­ser­ted by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 24 Amendment of existing legislation  

…63

63 The amend­ments may be con­sul­ted un­der AS 1991 748.
Art. 2564  

64 Re­pealed by No I of the O of 29 April 2015, with ef­fect from 1 June 2015 (AS 2015 1337).
Art. 25a Transitional provisions relating to the amendment of 13 February 2013 65  

1 The per­son re­spons­ible for a pipeline in­stall­a­tion shall sub­mit the sum­mary re­port (Art. 5 para. 3) to the en­force­ment au­thor­ity no later than 5 years after this amend­ment to the Or­din­ance comes in­to force.

2 The en­force­ment au­thor­ity shall waive the re­quire­ment to provide in­form­a­tion in ac­cord­ance with para­graph 1 in cases where it already has the ne­ces­sary in­form­a­tion.

65 In­ser­ted by No I of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).
Art. 25b Transitional provisions relating to the amendment of 29 April 2015 66  

Per­sons re­spons­ible for es­tab­lish­ments that fall with­in the scope of this Or­din­ance for the first time fol­low­ing the amend­ment of 29 April 2015 must sub­mit the sum­mary re­port to the en­force­ment au­thor­ity at the latest three years after the said amend­ment to the Or­din­ance comes in­to force.

66 In­ser­ted by No I of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).
Art. 26 Commencement  

This Or­din­ance comes in­to force on 1 April 1991.

Annex 1

Scope and summary report

Annex 1.1 67

67 Amended by No II para. 2 of the O of 29 April 2015 (AS 2015 1337). Revised by No II para. 1 of the O of 21 Sept. 2018 (AS 2018 3505) and No I of the DETEC O of 22 May 2024, in force since 1 July 2024 (AS 2024 227).

(Art. 1 and 5)

Threshold quantities for substances, preparations or special wastes

1 …

2 Determination of threshold quantities

21 Substances or preparations

1 For substances or preparations listed in the table under number 3, the threshold quantities specified therein apply.

2 For other substances or preparations, the person responsible shall determine the threshold quantity using the criteria specified in number 4 in accordance with Annex I of Regulation (EC) No 1272/200868 and the criteria specified in number 5 for highly active substances and preparations. The lowest threshold quantity determined in this way is decisive.

3 The person responsible need not determine the threshold quantity for a criterion or area if he can argue convincingly that the costs of acquiring the data would be disproportionate.

68 Regulation (EC) No 1272/2008 of 16 Dec. 2008 of the European Parliament and of the Council on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006, OJ L 353 of 31.12.2008, S. 1; last amended by Regulation (EU) No 2016/1179, OJ. L 195 of 20.7.2016, p. 11.

22 Special wastes

The Federal Department of the Environment, Transport, Energy and Communications (DETEC) shall specify the threshold quantities for special wastes designated as such in the waste list issued in accordance with Article 2 of the Ordinance of 22 June 200569 on Movements of Waste. In doing so, it shall take account of their:

a.
health risks;
b.
physical risks;
c.
environmental risks;
d.
other risks.

69 SR 814.610

3 Substances and preparations with specified threshold quantities

No

Substance name

CAS No1

TQ (kg)2

1

Acetylene

74-86-2

5000

2

4-Aminodiphenyl and its salts3

500

3

Arsenic(III) oxide, arsenic(III) acid and their salts

1327-53-3

100

4

Arsenic(V) oxide, arsenic(V) acid and/or their salts

1303-28-2

1000

5

Benzidine and its salts3

500

6

Gasoline (regular, super)

200 000

7

Chlorine

7782-50-5

200

8

Chromium (VI) and its salts

200

9

1,2-Dibromo-3-chlorpropane3

96-12-8

500

10

1,2-Dibromethane3

106-93-4

500

11

Diethyl sulfate3

64-67-5

500

12

Dimethylcarbamoyl chloride3

79-44-7

500

13

1,2-Dimethylhydrazine3

540-73-8

500

14

Ethanol motor fuels4

200 000

15

Heating oil, diesel

500 000

16

Hexamethylphosphoric triamide3

680-31-9

500

17

Hydrazine3

302-01-2

500

18

Kerosene

200 000

19

Methyl isocyanate

624-83-9

150

20

2-Naphthylamine and its salts3

500

21

Nickel compounds in inhalable powder form

1000

22

4-Nitrodiphenyl3

92-93-3

500

23

1,3-Propane sultone3

1120-71-4

500

24

Sulphur dichloride

10545-99-0

1000

25

Hydrogen

1333-74-0

5000

26

Nitric acid ≥10 % to <65 %

7697‑37‑2

20 000

1
Substance identifier in the Chemical Abstract system
2
TQ (kg)=Threshold quantity in kg
3
Carcinogens or preparations that contain these carcinogens in concentrations of over 5 per cent by weight
4
Ethanol fuels with various percentages of ethanol in gasoline

4 Criteria for determining threshold quantities

41 Health risks

Criteria

Values for criteria

TQ1 = 200 kg

TQ1 = 2000 kg

TQ1 = 20 000 kg

TQ1 = 200 000 kg

Classification/labelling2

H330

H3003, H310, H331, H370

H3013, H3023, H311, H 312, H3144, H 332, H371

1
TQ (kg) =Threshold quantity in kg
2
Chemicals Ordinance, SR 813.11
3
If the substance or preparation is verifiably not toxic through inhalation nor dermally, for CLP categories 1+2 (H300), a threshold quantity of 20 000 kg applies and for CLP categories 3+4 (H301/H302), a threshold quantity of 200 000 kg applies.
4
Corrosive substances and preparations (H314) that are also categorised and labelled as «gases under pressure» (H280/ H281) and/or as oxidising gases, liquids or solids (H270/H 271/H272) have a threshold quantity of 2000 kg, unless they have a lower threshold quantity due to other criteria.

42 Physical risks

Criteria

Values for criteria

TQ1 = 200 kg

TQ1 = 2000 kg

TQ1 = 20 000 kg

TQ1 = 50 000 kg

Classification/labelling2

H2003, H2013, H2023, H2033, H240, H241

H220, H221, H224, H225, H226, H242, H250, H251, H252, H260, H261, H270, H271, H272

H2224, H2234, H228

1
TQ (kg) =Threshold quantity in kg
2
Chemicals Ordinance, SR 813.11
3
The threshold quantity relates to the net quantity of the active explosive substance.
4
To determine whether a threshold quantity has been exceeded, the stored quantities of flammable aerosol dispensers in the relevant CLP categories must be added together on the basis of their net mass.

43 Environmental risks

Criteria

Values for criteria

TQ1 = 200 kg

TQ1 = 2000 kg

TQ1 = 20 000 kg

TQ1 = 200 000 kg

Classification/labelling2

H400, H410

H411

1
TQ (kg) =Threshold quantity in kg
2
Chemicals Ordinance, SR 813.11

44 Other risks

Criteria

Values for criteria

TQ1 = 200 kg

TQ1 = 2000 kg

TQ1 = 20 000 kg

TQ1 = 200 000 kg

Classification/labelling2

EUH032

EUH014, EUH029, EUH031

1
TQ (kg) =Threshold quantity in kg
2
Chemicals Ordinance, SR 813.11

5 Highly active substances (HAS)

Criteria1

Values for criteria

TQ2= 20 kg

a.
Workplace inhalation threshold in the air3

<10 μg/m3

b.
Effect dose (ED50)4

≤ 10 mg

c.
CMR substances with major accident potential

Categories 1A and 1B

1
The listed criteria apply, and the order of the criteria (letters) denotes their priority, i.e. if there is a value under criteria a, criteria b and c are no longer relevant.
If a person responsible for a substance/preparation that meets one of the criteria concludes based on their self-assessment that harm to the public in the event of exposure on one occasion may be excluded or that the more serious effect of the substance/ preparation is not relevant to major accidents, the substance/ preparation is not deemed to be an HAS in terms of the Major Accidents Ordinance. In order to assess whether an effect is relevant to major accidents, the definition of «Temporary Emergency Exposure Limits (TEEL-2)» applies. The Major Accidents Ordinance does not apply to establishments that handle HAS only in the form of finished products that are intended for their own use or for supply to professional or commercial users or the general public.
2
TQ (kg) =Threshold quantity in kg
3
MAK, TLV, OEL, IOEL, etc.
4
Corresponds to the effect dose ED50 of 0.17 mg/kg at a body weight of 60 kg. The effect dose relates to the worst effect of the substance/preparation according to the self-assessment by the person responsible.

Annex 1.2 70

70 Repealed by Annex 5 No 2 of the Containment O of 25 Aug. 1999, with effect from 1 Nov. 1999 (AS 1999 2783).

Annex 1.2a 71

71 Inserted by No II para. 1 of the O of 29 April 2015 (AS 2015 1337). Amended by No I of the DETEC O of 22 May 2024, in force since 1 July 2024. (AS 2024 227).

(Art. 1)

Scope for railway installations

1 Track sections

The Major Accidents Ordinance applies to the track sections between the following operating points (with the exception of sections on foreign territory). The operating points are based on official geodata identifier 98.1 under the Ordinance of 21 May 200872 on Geoinformation (GeoIO).

Kilometre line

From operating point

To operating point

Usual name of the kilometre line on which the operating points lie

100

LS

STDG

Lausanne – Simplon Tunnel I – Iselle

107

BRLO

BRTU

Brig-Lötschberg (Abzw) – Brig Tunnel

109

BRTU

STDG(109)

Simplon Tunnel II

131

PDS

MTH

Les Paluds – St-Gingolph (Frontière)

150

LS

SJ

Lausanne – Geneva Airport

151

SJ

LPFR

Geneva St-Jean – La Plaine-Frontière

152

SJ

GEPB

St-Jean – Geneva-Eaux-Vives – Annemasse

154

FUBI

JON

Furet – Jonction

160

RENO

LTSE

Renens VD Ouest – Lausanne-Triage sect.

161

LTF

LONA

Lausanne-Triage F – Lonay A (bif)

162

LTP

LONB

Lausanne-Triage P1 – Lonay B

164

LECR

DENA

Lécheires – Denges A

165

LTE

BYSC

Lausanne-Triage Est – Bussigny-Scheu

166

RENO

LT

Renens VD Ouest – Lausanne-Triage Est

168

ARCA

LTN

Archy A – Lausanne-Triage Nord

169

LTSE

BY

Lausanne-Triage sect. – Bussigny

170

LTE

LTS

Lausanne-Triage (Est – Sud)

200

RENO

DAIB

Renens VD Ouest – Vallorbe

206

RENO

BYE(206)

Renens VD Ouest – Bussigny Est

210

DAIB

BI

Daillens – Biel/Bienne

260

ZOLN

BIAE

Zollikofen Nord – Biel/Bienne Aebistr.

265

BIMA

BIO

Biel/Bienne Mett (Abzw.) – Biel/Bienne Ost

266

MAD

BIRW

Madretsch – Biel/Bienne RB West

290

WKD

THEG

Bern Wylerfeld – Thun

291

LGUS

WKD

Löchligut – Wankdorf

299

THAB

THSC

Thun (Abzw.) – Thun GB – Thun Schadau

300

SPNI

BRLO

Spiez – Kandersteg – Brig

302

MGTN

MGTN(302)

Zweiter Mittalgrabentunnel

310

THEG

SPNI

Thun – Spiez – Interlaken Ost

330

WENE

STGE

Wengi-Ey – Lötschberg – St.German (Ost)

331

FERD

STGE(331)

Wengi-Ey – Lötschberg – St.German (West)

332

FRS

FRNP

Frutigen – Frutigen Nordportal (Ost)

333

FRS

ADL

Frutigen – Adelrein (West)

400

LGUT

RTRW

Löchligut – Wanzwil – Rothrist West

410

OL

BI

Olten – Solothurn – Biel/Bienne

450

OLS

LGUS

Olten Süd – Bern

451

ABO

RTR(451)

Aarburg-Oftringen – Rothrist (Gl. 1)

453

BFG

RTR(453)

Rothrist Ost – Rothrist (Gl. 4)

455

UHDB

AESP

Unterhalden BE – Aespli

456

OHBD

AESP

Oberhard BE – Aespli

457

OHBD

MAT

Hardfeld (Spw) – Mattstetten

459

RUTT

LGUT(459)

Rütti – Löchligut

500

MU

RBG

Basel SBB – Olten – Lucerne

503

OLN

OL

Sissach – Läufelfingen – Olten

510

BSFR

BSW

Mulhouse-Ville – Basel SBB

511

BSO

BSNK

Basel SBB – Basel GB – Basel RB

514

BSW

BSO

SNCF Verbindungslinie

518

8519315

BAD

Müllheim (Baden) – Basel Bad Bhf

520

GELN

BAD

Gellert – Basel Bad DB

521

BSNK

MU

Umfahrung Süd: Basel SBB RB I – Muttenz

522

GELN

BSNK

Umfahrung Nord: Gellert – Pratteln

525

BSNK

BSAU

Basel SBB RB – Basel Auhafen

529

BSOS

BSBO

Basel SBB RB II – Birsfelden Hafen

531

OLN

OLO

Olten Verbindungslinie

540

OL

WOES

Olten – Wöschnau

580

CAMO

VEZB

CBT Est

581

CAMS

VEZB

CBT Ovest

590

POZZ

POLN

Verbindungslinie GBT - Pollegio Nord

592

GIUO

CAMS

Verbindungslinie CBT Ovest – Camorino Sud

593

GIUO

CAMO

Verbindungslinie CBT Est – Camorino

594

RYSP

POZZ

GBT West

595

RYSP

GIDI

GBT Ost

600

IMW

CHIE

Immensee – Bellinzona – Chiasso

600

POLN

GIUS

Immensee – Bellinzona – Chiasso

600

VEZB

CHIE

Immensee – Bellinzona – Chiasso

601

RYAB

ERNA(601)

Rynächt – Erstfeld Nord Gleis links

604

BRUA

SKN(604)

Brunnen – Sisikon (Gl. links)

605

SK

GRUO(605)

Sisikon – Gruonbach (Gl. links)

606

ALSA

ALME(606)

Al Sasso – Al Motto (binario sinistro)

607

MCEN

RIBN(607)

Mt. Ceneri – Rivera (binario destro)

608

MASN

LGN(608)

Massagno – Lugano (binario destro)

630

GIUS

CDO

Giubiasco – Locarno

631

CDO

PINC

Cadenazzo – Pino confine

638

BASM

CHSM

Balerna SM – Chiasso Smistamento

639

CHIE

CHSM

Monte Olimpino II – Chiasso Smistamento

640

BG

RU

Brugg – Rupperswil

641

RUO

RU(641)

Rupperswil Ost – Rupperswil (Gl. Rechts)

646

BRGG

MAET

Brunegg - Mägenwil

647

BG

HDKN

Brugg – Hendschiken Nord

648

BGS

BGN

Brugg Süd – Brugg Nord (VL)

649

AA

WOET(649)

Aarau – Wöschnau Tunnel alt

650

KLWW

DKO

Killwangen West – Lenzburg – Däniken Ost

653

GEXO

IMW

Gexi Ost – Rotkreuz – Immensee West

691

RBL

KLWW

RBL Kopf Zurich – Killwangen West

692

RBLZ

RBLD

RBL Nord

693

RBLD

RBLE

RBL Mitte

698

KLWW

HBLO(698)

Killwangen West -411- Heitersbergl. Ost

699

SDO

EFG(699)

Neuer Bözbergtunnel

700

BG

PRO

Brugg – Pratteln Ost

701

EGL

STSO

Eglisau – Koblenz – Stein Säckingen Ost

703

ZSEO

GMT

ZH Oerlikon Nord – Wettingen – Gruemet

704

WUER

KLWW

Würenlos – Killwangen West (RBL)

706

ZSEO

OPS

Zurich Seebach – Glattbrugg Süd

710

ZASO

BG

Zurich HB – Brugg AG

711

ZASN

ZASS

ZH Hardbrücke – Kollermühle

715

ZASO

HRD

Zurich Altstetten Ost – Zurich Hard

718

ZAU

ZASS

ZH Aussersihl – ZH Altstetten Süd

720

ZAU

ZB

ZH Langstrasse – Thalwil – Ziegelbrücke

721

TW

TWS(721)

Thalwil – Thalwil Süd

722

ZAU

NIDS

ZH Langstrasse – Nidelbad – Litti

723

NIDS

TWNO

Nidelbad Süd – Thalwil Nord

725

NIDB

NIDO

Nidelbad – Nidelbad Ost

751

HUER

WNO

ZH Langstr. – Wallisellen – Winterthur

752

ZOEN

HUER

Zurich Oerlikon Nord – Hürlistein (Abzw)

757

KL

DORF

Kloten – Dorfnest (Überwerfung)

760

ZHDB

BUE

Zurich Hardbrücke – Bülach

762

NH

SH

Winterthur Nord – Schaffhausen RB Ost

763

BAD

GRLX

Basel Bad Bhf – Waldshut – Schaffhausen

764

SH

EULG

Schaffhausen – Singen – Konstanz

770

BUE

NH

Bülach – Eglisau – Neuhausen

824

RH

KGHR

Romanshorn – Konstanz

830

WIL

WF

Wil – Weinfelden

840

WNO

RH

Winterthur Nord – Romanshorn

850

GSS

WNO

St.Gallen – Winterthur Nord

880

TRUE

HAG

Sargans Ost – St.Gallen

881

SASL

TRUE

Sargans Schl. West – Schleife – Trübbach

890

SASO

ZB

Sargans Ost – Ziegelbrücke

900

SASO

CHW

Sargans Ost – Chur West (Gleisende)

72 SR 510.620

2 Freight installations

The Major Accidents Ordinance applies to the following freight installations:

–
Basel SBB RB (BSRB)
–
Zurich RB Limmattal (RBL)
–
Lausanne-Triage (LT)
–
Chiasso Smistamento (CHSM)
–
Geneva-La-Praille

Annex 1.3 73

73 Inserted by No II of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

(Art. 1)

Criteria for pipeline installations

1 Pipeline installations for the transport of gaseous thermal and motor fuels fall within the scope of this Ordinance if they meet the following criteria:

a.
the approved operating pressure is greater than 5 bar and less than or equal to 25 bar and the product of the approved operating pressure in pascals (Pa) and the external diameter in metres is greater than 500,000 Pa m (500 bar cm) («pressure» is to be taken to mean «positive pressure»); or
b.
the approved operating pressure is greater than 25 bar and the product of the approved operating pressure in pascals (Pa) and the external diameter in metres is greater than 1,000,000 Pa m (1,000 bar cm) («pressure» is to be taken to mean «positive pressure»).

2 Pipeline installations for the transport of liquid thermal and motor fuels fall within the scope of this Ordinance if, with an approved operating pressure of greater than 5 bar, the product of the approved operating pressure in pascals (Pa) and the external diameter in metres is greater than 200,000 Pa m (200 bar cm) («pressure» is to be taken to mean «positive pressure»).

Annex 1.4 74

74 Inserted by No II para. 1 of the O of 29 April 2015 (AS 2015 1337). Amended by No II para. 2 of the O of 21 Sept. 2018, in force since 1 Nov. 2018 (AS 2018 3505).

(Art. 1 para. 2bis)

List of organisms which, due to their properties, cannot spread uncontrollably among the public and in the environment

Deutscher Name

Nom français

Nome italiano

English name

Remarks

Östliche Pferdeenzephalomyelitis

Virus de l’encéphalite équine de l’Est

Virus dell’encefalite equina dell’Est

Eastern equine encephalitis virus

Only if not working with insect vectors

Hepatitis B Virus

Virus de l’hépatite B

Virus dell’epatite B

Hepatitis B virus

Hepatitis C Virus

Virus de l’hépatite C

Virus dell’epatite C

Hepatitis C virus

Hepatitis D Virus

Virus de l’hépatite D

Virus dell’epatite D

Hepatitis D virus

Hepatitis E Virus

Virus de l’hépatite E

Virus dell’epatite E

Hepatitis E virus

Hepatitis G Virus

Virus de l’hépatite G

Virus dell’epatite G

Hepatitis G virus

Humane Immundefizienz‑Virus

Virus de l’immunodéficience humaine

Virus dell’immunodeficienza umana

Human immunodeficiency virus

Gelbfieber-Virus

Virus de la fièvre jaune

Virus della febbre gialla

Yellow fever virus

Only if not working with insect vectors

Trypanosomen

Trypanosoma

Trypanosoma

Trypanosoma

If working with insect vectors

Plasmodien

Plasmodium

Plasmodium

Plasmodium

If working with insect vectors

Humanes T-lymphotropes Virus 1 and 2

Virus T-lymphotropique humain 1 et 2

Virus T-linfotropico dell’uomo 1 e 2

Human T-lymphotropic virus 1 and 2

Frühsommer-Meningoenzephalitis (FSME)

Virus de la méningo-encéphalite à tiques, (VMET)

Virus meningoencefalite da zecche (FSME)

Tick-borne encephalitis virus (TBE)

Only if not working with insect vectors

Bovine spongiforme Enzephalopathie (BSE)

Encéphalopathie spongiforme bovine (ESB)

Encefalopatia spongiforme bovina (BSE)

Bovine spongiform encephalopathy (BSE)

Transmissible Spongiforme Enzephalopathie (TSE)

Encéphalopathies spongiformes transmissibles (EST)

Encefalopatie spongiformi trasmissibili (TSE)

Transmissible spongiform encephalopathies (TSEs)

Louping ill Virus

Louping ill Virus

Louping ill Virus

Louping ill virus

Only if not working with insect vectors

Annex 2 75

75 Amended by No II para 2 of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

Safety Measures

Annex 2.1

(Art. 3)

Procedure for establishments, transport routes and pipeline installations

When adopting safety measures, the person responsible for an establishment, transport route or pipeline installation must:

a.
select a suitable site or a suitable route and ensure that appropriate safety distances are maintained;
b.
establish the organisational requirements;
c.
arrange for the training of staff and the provision of information to third parties;
d.
establish the procedures for determining and evaluating major accident scenarios;
e.
establish the procedures for planning and implementing measures;
f.
arrange for the monitoring, servicing and review of the safety-critical components;
g.
establish the procedures for emergency planning;
h.
arrange for the systematic review of the organisational requirements and procedures and deal with change management (inside and outside the installations);
i.
document the significant results under letters b–h.

Annex2.2

(Art. 3)

Measures for establishments handling substances, preparations or special wastes

When adopting general safety measures, the person responsible for an establishment handling substances, preparations or special wastes must:

a.
as far as possible, replace dangerous substances or preparations with less dangerous ones, or limit the quantities thereof and as far as possible, avoid hazardous processes, methods or operating procedures;
b.
design load-bearing structures in such a way that no additional serious effects arise as a result of the stresses to be expected in the event of a major accident;
c.
install adequate warning and alarm systems;
d.
install suitable and reliable measurement or control systems, which, insofar as required for safety reasons, are multiple, of different types and operate independently of each other;
e.
install the necessary safety equipment and take the necessary structural, technical and organisational protective measures;
f.
monitor equipment and the operation of safety-critical components and carry out regular maintenance and inspections and document the checks;
g.
store substances, preparations or special wastes in an orderly manner, taking account of their properties, and keep up-to-date records of their quantities and location;
h.
deploy a sufficient number of suitably qualified staff, inform them about high-risk methods and processes used in the establishment, train them to prevent, limit and respond to major accidents, and ensure that the level of expertise is maintained in the event of staff changes;
i.
document any significant operational failures, their causes and the measures adopted, and retain the documents for a sufficient length of time;
j.
control access to the establishment;
k.
provide sufficient own resources for responding to major accidents, draw up an emergency plan for major accidents and discuss it with the emergency services, and carry out periodic exercises on the basis of this plan.

Annex 2.3

(Art. 3)

Measures for establishments handling microorganisms

When adopting general safety measures, the person responsible for an establishment where an activity involving genetically modified or pathogenic alien organisms or alien organisms subject to compulsory containment is carried out must:

a.
as far as possible, replace dangerous organisms with less dangerous ones;
b.
install suitable and reliable measurement or control systems, which, insofar as required for safety reasons, are multiple, of different types and operate independently of each other;
c.
install the necessary safety equipment and take the necessary structural, technical and organisational protective measures;
d.
monitor equipment and the operation of safety-critical components and carry out regular maintenance and inspections and document the checks
e.
install adequate warning and alarm systems;
f.
store organisms or special wastes in an orderly manner, taking account of their properties, and keep up-to-date records of their quantities and location;
g.
deploy a sufficient number of suitably qualified staff, inform them about high-risk methods and processes used in the establishment, train them to prevent, limit and respond to major accidents, and ensure that the level of expertise is maintained in the event of staff changes;
h.
document any significant operational failures, their causes and the measures adopted, and retain the documents for a sufficient length of time;
i.
provide sufficient own resources for responding to major accidents, draw up an emergency plan for major accidents and discuss it with the emergency services, and carry out periodic exercises on the basis of this plan.

Annex 2.4

(Art. 3)

Measures for transport routes

When adopting general safety measures, the person responsible for a transport route must:

a.
design the transport route in such a way that no additional serious effects arise as a result of the stresses to be expected in the event of a major accident;
b.
install the necessary safety equipment and take the necessary structural, technical and organisational protective measures;
c.
install adequate warning and alarm systems;
d.
monitor equipment and the operation of safety-critical elements of the transport route and carry out regular servicing;
e.
take the necessary traffic management or control measures for the transport of dangerous goods;
f.
collect, assess and pass on to the staff concerned any information available on the transport of dangerous goods;
g.
in cooperation with the emergency services, draw up an emergency plan for major accidents and carry out periodic exercises on the basis of this plan.

Annex 2.5

(Art. 3)

Measures for pipeline installations

When adopting general safety measures, the person responsible for a pipeline installation must:

a.
taking the surrounding area into account, install the necessary safety equipment and take the necessary structural, technical and organisational protective measures;
b.
collect, assess and pass on to interested third parties (e.g. staff, emergency services and land owners) any information available on the hazards posed by the thermal and motor fuels transported.

Annex 3 76

76 Repealed by No II para. 3 of the O of 29 April 2015, with effect from 1 June 2015 (AS 2015 1337)

Annex 4

Risk report

Annex4.1 77

77 Revised in accordance with No II 8 of the O of 18 May 2005 on the Repeal and Amendment of Ordinances in connection with the Commencement of the Chemicals Act, in force since 1 Aug. 2005 (AS 2005 2695).

(Art. 6)

Establishments handling substances, preparations or special wastes

1 Principles

1 The risk report must contain all the information required by the enforcement authority in order to verify and assess, in accordance with Article 7, the risk posed by the establishment to the public or the environment. This includes, in particular, all the information listed in numbers 2–5.

2 In justified cases, certain items of information may be omitted or replaced by others which are equally valid or more appropriate.

3 The scope and degree of detail of the information given for each item will depend on the specific circumstances; in particular, consideration is to be given to the type of establishment, the hazard potential, the surrounding area and the safety measures.

4 Documentation used for the risk report, particularly test results, empirical data, literature references, results of calculations and detailed analyses, are to be kept at the disposal of the enforcement authority.

2 Basic data

21 Establishment and surrounding area

–
Description of the establishment, together with a site plan, including any licences, planning approvals or concessions,
–
characterisation of the establishment (main activities, organisational structure, number of staff, etc.),
–
details of the surrounding area, together with a general plan,
–
division of the establishment into study units and the reasons for this division.

22 List of substances, preparations or special wastes present in each study unit

–
Designation (chemical name, CAS number, trade name, etc.),
–
maximum quantity,
–
location,
–
details of physical and chemical properties.

23 Description of installations in each study unit

–
Structure of buildings,
–
methods and processes,
–
storage,
–
incoming and outgoing shipments,
–
provision of supplies and disposal,
–
installation-specific major accidents.

24 Safety measures in each study unit

–
Regulations applied and experience,
–
measures taken to reduce the hazard potential,
–
measures taken to prevent major accidents,
–
measures taken to limit the effects of major accidents.

3 Analysis for each study unit

31 Methods

–
Description of the methods used.

32 Hazard potentials

–
Overview and characterisation of the main hazard potentials.

33 Main major accident scenarios

331 Release process

–
Possible causes,
–
description of significant release processes,
–
estimate of the likelihood of occurrence, given the safety measures in place.

332 Effects of release

–
Description of effects, based on dispersion considerations,
–
estimate of the likelihood of occurrence, given the safety measures in place.

333 Consequences for the public and the environment

–
Description of the extent of possible harm to the public or damage to the environment,
–
estimate of the likelihood of occurrence, given the safety measures in place.

4 Conclusions

–
Account of the risk for each study unit, given the safety measures in place,
–
estimate of the risk posed by the establishment as a whole.

5 Summary of the risk report

–
Characterisation of the establishment and of the main hazard potentials,
–
description of the safety measures,
–
description of the main major accident scenarios,
–
estimate of the risk posed by the establishment as a whole.

Annex 4.2 78

78 Revised by Annex 5 No 2 of the Containment O of 25 Aug. 1999 (AS 1999 2783), Annex 5 No 7 of the Containment O of 9 May 2012 (AS 2012 2777) and No II para. 2 of the O of 29 April 2015, in force since 1 June 2015 (AS 2015 1337).

(Art. 6)

Establishments handling organisms

1 Principles

1 The risk report must contain all the information required by the enforcement authority in order to verify and assess, in accordance with Article 7, the risk posed by the establishment to the public or the environment. This includes, in particular, all the information listed in numbers 2–5.

2 In justified cases, certain items of information may be omitted or replaced by others which are equally valid or more appropriate.

3 The scope and degree of detail of the information given for each item will depend on the specific circumstances; in particular, consideration is to be given to the nature of the establishment, the hazard potential, the surrounding area and the safety measures. Items marked with an asterisk (*) are generally only applicable to production facilities.

4 Documentation used for the risk report, particularly test results, empirical data, literature references, results of calculations and detailed analyses, are to be kept at the disposal of the enforcement authority.

2 Basic data

21 Establishment and surrounding area

–
Description of the establishment, together with a site plan, including any permits or planning approvals,
–
characterisation of the establishment,
–
names of the persons responsible,
–
information on the surrounding area, together with a general plan.

22 Activities involving organisms

–
Risk assessment in accordance with Article 8 of the Containment Ordinance of 9 May 201279; in particular, the identity and characteristics of the organisms and the nature and scale of the activity,
–
the purpose of the contained use,
–
the culture volumes,
*
the nature of the intended product and of any by-products which are or may be produced in the course of the activity.

79 SR 814.912

23 Installation

–
Description of the sections of the installation,
*
the maximum number of persons working in the installation and of persons working directly with the microorganisms.

24 Waste, wastewater and exhaust air

–
Types and quantities of waste and wastewater arising from the use of organisms,
–
ultimate form and destination of inactivated wastes.

25 Safety measures

–
Class of the activity in accordance with the Containment Ordinance
–
measures specified in the Containment Ordinance,
–
measures taken to prevent major accidents,
–
measures taken to limit the effects of major accidents.

3 Analysis

31 Methods

–
Description of the methods used.

32 Hazard potentials

–
Overview and characterisation of the main hazard potentials.

33 Main major accident scenarios

–
Possible causes of major accidents,
–
description of significant release events and their effects, based on dispersal considerations,
–
description of the extent of possible harm to the public or damage to the environment,
–
estimate of the likelihood of occurrence, given the safety measures in place.

4 Conclusions

–
Account of the risk, given the safety measures in place,
–
estimate of the risk posed by the establishment.

5 Summary of the risk report

–
Characterisation of the establishment and of the main hazard potentials,
–
description of the safety measures,
–
description of the main major accident scenarios,
–
estimate of the risk posed by the establishment.

Annex 4.3

(Art. 6)

Transport routes

1 Principles

1 The risk report must contain all the information required by the enforcement authority in order to verify and assess, in accordance with Article 7, the risk posed by the transport route to the public or the environment. This includes, in particular, all the information listed in numbers 2–5.

2 In justified cases, certain items of information may be omitted or replaced by others which are equally valid or more appropriate.

3 The scope and degree of detail of the information given for each item will depend on the specific circumstances; in particular, consideration is to be given to the specific features and location of the transport route, the surrounding area, the volume and structure of traffic, accident statistics and safety measures.

4 Documentation used for the risk report, particularly test results, empirical data, literature references, results of calculations and detailed analyses, are to be kept at the disposal of the enforcement authority.

2 Basic data

21 Transport route and surrounding area

–
Description of the transport route, together with a site plan,
–
information on the structure of the transport route and technical and organisational data,
–
information on safety equipment,
–
information on the surrounding area, including a general plan.

22 Volume and structure of traffic and accident statistics

–
Traffic data, such as the total volume of traffic and the proportion of heavy goods traffic,
–
data on the volume of dangerous goods traffic as a proportion of total heavy goods traffic,
–
data on the accident rate, accident black spots and general accident statistics.

23 Safety measures

–
Regulations applied and experience,
–
measures taken to reduce the hazard potential,
–
measures taken to prevent major accidents,
–
measures taken to limit the effects of major accidents.

3 Analysis

31 Methods

–
Description of the methods used,
–
description of the survey method used to determine the proportion of dangerous goods traffic.

32 Hazard potentials

–
Overview and characterisation of the main hazard potentials.

33 Main major accident scenarios

–
Possible causes of major accidents,
–
description of significant release events and their effects, based on dispersion considerations,
–
description of the extent of possible harm to the public or damage to the environment,
–
estimate of the likelihood of occurrence, given the safety measures in place.

4 Conclusions

–
Account of the risk, given the safety measures in place,
–
estimate of the risk posed by the transport route.

5 Summary of the risk report

–
Characterisation of the transport route and of the main hazard potentials,
–
description of the safety measures,
–
description of the main major accident scenarios,
–
estimate of the risk posed by the transport route.

Annex 4.4 80

80 Inserted by No II of the O of 13 Feb. 2013, in force since 1 April 2013 (AS 2013 749).

(Art. 6)

Pipeline installations

1 Principles

1 The risk report must contain all the information required by the enforcement authority in order to verify and assess, in accordance with Article 7, the risk posed by the pipeline installation to the public or the environment. This includes, in particular, all the information listed in numbers 2–5.

2 In justified cases, certain items of information may be omitted or replaced by others which are equally valid or more appropriate.

3 The scope and degree of detail of the information given for each item will depend on the specific circumstances; in particular, consideration is to be given to the specific type of pipeline installation, its hazard potential and the surrounding area, as well as to safety measures.

4 Documentation used for the risk report, particularly test results, empirical data, literature references, results of calculations and detailed analyses, are to be kept at the disposal of the enforcement authority.

2 Basic data

21 Pipeline installation and surrounding area

–
Description of the pipeline installation, together with a route/site plan,
–
information on the structure of the pipeline installation and technical and organisational data,
–
information on safety equipment,
–
information on the surrounding area, including a general plan.

22 Safety measures

–
Technical standards,
–
measures taken to reduce the hazard potential,
–
measures taken to prevent major accidents,
–
measures taken to limit the effects of major accidents.

3 Analysis

31 Methods

–
Description of the methods used.

32 Hazard potentials

–
Overview and characterisation of the main hazard potentials.

33 Main major accident scenarios

–
Possible causes of major accidents,
–
description of significant release events and their effects, based on dispersion considerations,
–
description of the extent of possible harm to the public or damage to the environment,
–
estimate of the likelihood of occurrence, given the safety measures in place.

4 Conclusions

–
Account of the risk, given the safety measures in place,
–
estimate of the risk posed by the pipeline installation.

5 Summary of the risk report

–
Characterisation of the pipeline installation and of the main hazard potentials,
–
description of the safety measures,
–
description of the main major accident scenarios,
–
estimate of the risk posed by the pipeline installation.

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