Potato Processing Plant Liquid Effluent Regulations (C.R.C., c. 829)

• 9. (1) For the purposes of paragraph 6(c), the concentration in milligrams per litre of a substance described in an item of Schedule II, in each composite sample, shall be determined using

  • (a) the test method set out in Column I and modified in Column II of that item; or

  • (b) any other method, approved in writing by the Minister, the results of which can be confirmed by the method referred to in paragraph (a).

• (2) For the purposes of paragraph 6(c), procedures pertaining to sampling, preservation and storage of samples and prevention of interference relating to the test methods referred to in paragraph (1)(a), as outlined in the general sections of the publication Standard Methods for the Examination of Water and Waste Water, 14th edition (1975), published jointly by the American Public Health Association, American Water Works Association and the Water Pollution Control Federation, shall be adhered to.

• (3) For the purposes of paragraph 6(c), the pH of a composite sample shall be determined using

  • (a) the test method prescribed by section 424 of the publication referred to in subsection (2); or

  • (b) any other method, approved in writing by the Minister, the results of which can be confirmed by the method referred to in paragraph (a).

10. For the purpose of paragraph 6(d), the flow of each type of effluent deposited by a plant shall be measured continuously and recorded.

• 11. (1) For the purposes of paragraph 6(e), the actual daily deposit per unit of production of each deleterious substance prescribed by section 4 shall be determined using the data obtained under subsection 9(1) and section 10 and shall be expressed in terms of kilograms per tonne of raw potatoes processed per day.

• (2) For the purposes of paragraph 6(e), the average daily deposit per unit of production during a month of each deleterious substance prescribed by section 4 shall be determined by calculating the average of the results obtained under subsection (1) and shall be expressed in the terms set out in that subsection.

• 12. (1) The owner of a plant shall, within 30 days after the end of each month, sign, date and forward to the Minister a report, in such form as the Minister may in writing approve, showing for that month

  • (a) the actual daily deposit of deleterious substances deposited by the plant on each day that samples were taken, determined and expressed in accordance with subsection 11(1);

  • (b) the average daily deposit of deleterious substances deposited by the plant, determined and expressed in accordance with subsection 11(2);

  • (c) the pH of composite samples, determined in accordance with subsection 9(3);

  • (d) the daily production of the plant for each day that samples were taken expressed in terms of tonnes of raw potatoes processed;

  • (e) the weekly production of the plant for each week during the month, expressed in terms of tonnes of raw potatoes processed;

  • (f) the number of operating days; and

  • (g) the total daily flow, in litres, of each type of effluent discharged on each day that samples were taken.

• (2) The owner of a new plant shall, before he deposits any deleterious substance prescribed by section 4, and the owner of an expanded plant shall, within 30 days of becoming subject to these Regulations, sign, date and forward to the Minister a declaration, in such form as the Minister may in writing approve,

  • (a) showing the projected weekly production of the plant expressed in terms of tonnes of raw potatoes processed;

  • (b) showing the projected annual production of the plant expressed in terms of tonnes of raw potatoes processed; and

  • (c) listing the major products produced.

• (3) The owner of a plant shall, within 30 days after the end of each calendar year, sign, date and forward to the Minister a declaration, in such form as the Minister may in writing approve, showing the actual production of the plant for the previous year in terms of tonnes of raw potatoes processed.