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• 4 (1) Subject to section 5, the samples of effluent collected in accordance with section 3 shall be tested as follows:

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• (2) The following procedures apply in respect of an acute lethality test referred to in paragraph (1)(a):

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  • (b) the operator shall collect the sample on the selected day except if, owing to unforeseen circumstances, the operator cannot sample on that day, and in that case, shall do so as soon as possible after that day; and

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• (5) The testing of samples of effluent shall continue as required by subsection (1) or (4), as applicable, until three consecutive tests are passed, after which testing may resume as required by section 4.

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7 The samples of effluent collected in accordance with section 6 shall be tested as follows:

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• (2) The samples shall be collected in accordance with section 6 using equipment that is installed, maintained and calibrated so that it is capable of taking duplicate samples of effluent or a sufficient volume of effluent to obtain split samples, or

  • (a) in the case of effluent that is to be treated,

    • (i) if there is only one effluent to be treated, by collecting grab samples of the effluent not more than six hours apart during a daily period and combining them as a composite sample, or

    • (ii) if there is more than one effluent to be treated, by collecting grab samples of each effluent not more than six hours apart during a daily period and combining them, in proportion to the estimated flow rate of each of the effluents, as a composite sample; and

  • (b) in the case of the treated effluent, by collecting grab samples of the effluent not more than six hours apart during a daily period and combining them as a composite sample.

• 16 (1) For the purpose of monitoring the volume of effluent, the volume of each of the effluents referred to in section 15 shall, during each daily period that a sample is collected in accordance with that section, be determined as follows:

  • (a) if samples are collected in accordance with section 6 using equipment referred to in subsection 15(2), by using equipment that is installed, maintained and calibrated so that it permits the determination of the volume of the effluent using a method that accords with generally accepted engineering principles, such as a method referred to in paragraph 8(1)(b) of these Regulations; and

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• 18 (1) For the purpose of monitoring for the presence of acutely lethal effluent and the effect on Daphnia magna, a grab sample of the treated effluent and a grab sample of the other effluent shall be collected once a week upstream of the combination point, and the samples collected shall be tested as follows:

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1 The following definitions apply in this Schedule.

effect on fish tissue

effect on fish tissue  means that the concentration of chlorinated dioxins and furans, expressed as toxic equivalents of 2,3,7,8-tetrachlorodibenzo-para-dioxin, exceeds 15 pg/g wet weight in muscle or 30 pg/g wet weight in liver or hepatopancreas in fish taken in the exposure area. (effet sur les tissus de poissons)

fish

fish  means fish as defined in section 2 of the Fisheries Act, but does not include parts of fish, parts of shellfish, parts of crustaceans or parts of marine animals. (poissons)

reference area

reference area  means water frequented by fish that is not exposed to effluent and that has fish habitat that, as far as practicable, is most similar to that of the exposure area. (zone de référence)

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• (2) In the case of effluent that is deposited into fresh waters, sublethal toxicity tests shall be conducted by using the following test methodologies, as amended from time to time, as applicable to each species:

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• (3) In the case of effluent that is deposited into marine or estuarine waters, sublethal toxicity tests shall be conducted by using the following test methodologies, as amended from time to time, as applicable to each species:

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  • (b) in the case of algal species, one of the following test methodologies, as applicable, namely,

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11 The data collected during the biological monitoring studies shall be used

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• (e) to calculate the concentration of chlorinated dioxins and furans in fish tissue taken from the exposure area, which concentration is expressed as toxic equivalents of 2,3,7,8-tetrachlorodibenzo-para-dioxin.

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• 3 (1) The test to determine the BOD of an effluent is a test conducted in accordance with one of the following standard five-day BOD test methods (BOD₅):

  • (a) the method described in subsections 5210A and 5210B of Standard Methods for the Examination of Water and Wastewater, 20th Edition, 1998, published jointly by the American Public Health Association, the American Water Works Association and the Water Environment Federation, as amended from time to time;

  • (b) the method described in Method H.2, Determination of Biochemical Oxygen Demand, December 1991, published by the Technical Section of the Canadian Pulp and Paper Association (now the Pulp and Paper Technical Association of Canada), as amended from time to time; or

• 4 (1) The test to determine the presence and quantity of suspended solids in effluent is a test conducted in accordance with one of the following standard test methods for total suspended solids:

  • (a) the applicable method described in subsections 2540A to 2540E of Standard Methods for the Examination of Water and Wastewater, 20th Edition, 1998, published jointly by the American Public Health Association, the American Water Works Association and the Water Environment Federation, as amended from time to time;

  • (b) the method described in Method H.1, Determination of Solids Content of Pulp and Paper Mill Effluents, August 1993, published by the Technical Section of the Canadian Pulp and Paper Association (now the Pulp and Paper Technical Association of Canada), as amended from time to time; or

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