# The Control of Substances Hazardous to Health Regulations 2002, Schedule 5: SPECIFIC SUBSTANCES AND PROCESSES FOR WHICH MONITORING IS REQUIRED

Extent: E+W+S

Column 1
Column 2
Substance or process
Minimum frequency
Vinyl chloride monomer.
Continuous or in accordance with a procedure approved by the Health and Safety Executive.
Spray given off from vessels at which an electrolytic chromium process is carried on, except trivalent chromium.
Every 14 days while the process is being carried on.

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Source: https://www.legislation.gov.uk/uksi/2002/2677/schedule/5 (the official version)
Page: https://openlegislation.uk/control-of-substances-hazardous-to-health-regulations-2002/schedule-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.