SCHEDULE 5SPECIFIC SUBSTANCES AND PROCESSES FOR WHICH MONITORING IS REQUIRED

Regulation 10(4)

Column 1

Column 2

Substance or process

Minimum frequency

Vinyl chloride monomer.

Continuous or in accordance with a procedure approved by the Executive.

Spray given off from vessels at which an electrolytic chromium process is carried on, except trivalent chromium.

Every fourteen days while the process is being carried on.