Regulation 10(4)

SCHEDULE 5 SPECIFIC SUBSTANCES AND PROCESSES FOR WHICH MONITORING IS REQUIRED

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 Commission.
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.