http://www.legislation.gov.uk/uksi/2002/2677/schedule/1/paragraph/wrapper10n2The Control of Substances Hazardous to Health Regulations 2002texttext/xmlenStatute Law DatabaseHEALTH AND SAFETY2024-04-08Expert Participation2020-12-31SCHEDULE 1 OTHER SUBSTANCES AND PROCESSES TO WHICH THE DEFINITION OF “CARCINOGEN” RELATESMustard gas (b,b’ –dichlorodiethyl sulphide).