# The Environmental Protection (Prescribed Processes and Substances) Regulations 1991, 

Extent: E+W+S

(a) The recovery by distillation of any oil or organic solvent.
(b) The cleaning or regeneration of carbon, charcoal or ion exchange resins by removing matter which is, or includes, any substance described in Schedule 4, 5 or 6. Nothing in this Part of this Section applies to—
(i) the distillation of oil for the production or cleaning of vaccum pump oil; or
(ii) a process which is ancillary and related to another process which involves the production or use of the substance which is recovered, cleaned or regenerated.

---
Source: https://www.legislation.gov.uk/uksi/1991/472/schedule/1/part/5/crossheading/section-52-recovery-processes-1 (the official version)
Page: https://openlegislation.uk/environmental-protection-prescribed-processes-and-substances-regulations-1991/schedule-1/part-5/crossheading-section-52-recovery-processes-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.