6. Where, pursuant to section 4, the Minister requests information respecting a malfunction or breakdown in the air pollution control equipment or the process equipment, the owner or operator of the plant shall, commencing two months after the request is made by the Minister, submit to the Minister, for any month in which a malfunction or breakdown occurs, the information required by the Malfunction or Breakdown Report set out in Schedule II.

7. Where, pursuant to section 4, the Minister requests information respecting air pollution control equipment at a plant, the owner or operator of the plant shall submit to the Minister, for each source referred to in subsection 3(1), a duly completed Air Pollution Control Equipment Report as set out in Schedule III within two months after the request is made by the Minister, and at such times thereafter as any change occurs in respect of the air pollution control equipment.

8. Any report submitted under section 5, 6 or 7 by a corporation shall be signed by an officer authorized by the corporation to sign the report on its behalf.

• 9. (1) Where, pursuant to section 4, the Minister requests samples of gas streams released into the ambient air from a plant and such related information as will enable the Minister to cause an analysis to be made of the amount of mercury contained in those gas streams, the owner or operator of the plant shall obtain the samples at regular three month intervals, in accordance with the appropriate method described in Standard Reference Methods for Source Testing: Measurement of Emissions of Mercury from Mercury Cell Chlor-Alkali Plants, Department of Fisheries and the Environment Report EPS-1-AP-76-1 dated November 1976, as amended from time to time, and shall forthwith submit the samples and related information to the Minister.

• (2) For the purposes of subsection (1), at the request of the Minister, the samples shall be taken in the presence of an enforcement officer.