Environmental Protection (Unauthorised Discharges) Regulations 2004Law:S3153:atom:currency2026-02-19T00:00:00.0000000+08:00Environmental Protection (Unauthorised Discharges) Regulations 2004S3153:2017070810492017-07-08T10:49:00.0000000+08:00Environmental Protection (Unauthorised Discharges) Regulations 2004Environmental Protection (Unauthorised Discharges) Regulations 2004PCO Helpdesklegislation@pco.wa.gov.au