Ordinance
on Protection against Dangerous Substances and Preparations
(Chemicals Ordinance, ChemO)

¹ The man­u­fac­turer of an ex­ist­ing sub­stance that ful­fils the cri­ter­ia spe­cified in Art­icle 14 para­graph 4 of the REACH Reg­u­la­tion⁵⁰ and is sup­plied on its own to third parties in a total quant­ity of 10 tonnes per year or more must pre­pare an ex­pos­ure scen­ario for each iden­ti­fied use of the sub­stance.

² Any per­son who ob­tains a sub­stance for which ex­pos­ure scen­ari­os have been pre­pared and sup­plies it to third parties on a com­mer­cial basis in quant­it­ies of 1 tonne per year or more as a sub­stance or in a pre­par­a­tion for a use not de­scribed in the safety data sheet must pre­pare an ex­pos­ure scen­ario for this use.

³ Para­graph 2 does not ap­ply in cases where:

a.

the ex­pos­ure scen­ario for the new use would ex­clus­ively cov­er con­di­tions de­scribed in an ex­pos­ure scen­ario in­cluded in the safety data sheet;

b.

the sub­stance is present in the pre­par­a­tion in a con­cen­tra­tion be­low the lim­its re­ferred to in Art­icle 27 para­graph 3; or

c.

the sub­stance is used for pur­poses of product and pro­cess-ori­ent­ated re­search and de­vel­op­ment.