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O. Reg. 236/07: EFFLUENT MONITORING AND EFFLUENT LIMITS - METAL CASTING SECTOR

filed June 6, 2007 under Environmental Protection Act, R.S.O. 1990, c. E.19

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ontario regulation 236/07

made under the

environmental protection act

Made: May 16, 2007
Filed: June 6, 2007
Published on e-Laws: June 8, 2007
Printed in The Ontario Gazette: June 23, 2007

Amending O. Reg. 562/94

(Effluent Monitoring and Effluent Limits — Metal Casting Sector)

1. Subsection 7 (1) of Ontario Regulation 562/94 is revoked and the following substituted:

(1) Each discharger shall carry out the establishment of sampling point obligations of this Regulation and the sampling and analysis obligations of this Regulation, including quality control sampling and analysis obligations, in accordance with the procedures described in the Ministry of the Environment publication entitled “Protocol for the Sampling and Analysis of Industrial/Municipal Wastewater”, as amended from time to time.

2. Subsection 11 (2) of the Regulation is revoked and the following substituted:

(2) Despite subsection (1), where the actual analytical result is less than one-tenth of the analytical method detection limit set out in the Ministry of the Environment publication entitled “Protocol for the Sampling and Analysis of Industrial/Municipal Wastewater”, as amended from time to time, the discharger shall use the value zero for the purpose of performing a calculation under sections 12, 13 and 14.

3. Paragraphs 1, 2 and 3 of subsection 20 (1) of the Regulation are revoked and the following substituted:

1. Dissolved Organic Carbon (DOC), referred to as Analytical Test Group 5a in the Ministry of the Environment publication entitled “Protocol for the Sampling and Analysis of Industrial/Municipal Wastewater”, as amended from time to time.

2. Total Suspended Solids (TSS), referred to as Analytical Test Group 8 in the Ministry of the Environment publication entitled “Protocol for the Sampling and Analysis of Industrial/Municipal Wastewater”, as amended from time to time.

3. Phenolics (4AAP), referred to as Analytical Test Group 14 in the Ministry of the Environment publication entitled “Protocol for the Sampling and Analysis of Industrial/Municipal Wastewater”, as amended from time to time.

4. Subsection 21 (2) of the Regulation is revoked and the following substituted:

(2) Each discharger shall prepare a travelling blank and travelling spiked blank sample for each sample for which a duplicate sample is picked up at the plant under subsection (1) and shall analyze the travelling blank and travelling spiked blank samples in accordance with the directions set out in the Ministry of the Environment publication entitled “Protocol for the Sampling and Analysis of Industrial/Municipal Wastewater”, as amended from time to time.

5. Subsection 23 (1) of the Regulation is revoked and the following substituted:

(1) Where a discharger is required by this section to perform a rainbow trout acute lethality test, the discharger shall perform the test according to the procedures described in the Environment Canada publication entitled “Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout”, as amended from time to time.

6. Subsection 24 (1) of the Regulation is revoked and the following substituted:

(1) Where a discharger is required by this section to perform a Daphnia magna acute lethality test, the discharger shall perform the test according to the procedures described in the Environment Canada publication entitled “Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Daphnia magna”, as amended from time to time.

7. Subsections 25 (1) and (2) of the Regulation are revoked and the following substituted:

(1) Where a discharger is required to perform a seven-day fathead minnow growth inhibition test, the discharger shall perform the test according to the procedure described in the Environment Canada publication entitled “Biological Test Method: Test of Larval Growth and Survival Using Fathead Minnows”, as amended from time to time.

(2) Where a discharger is required to perform a seven-day Ceriodaphnia dubia reproduction inhibition and survivability test, the discharger shall perform the test according to the procedure described in the Environment Canada publication entitled “Biological Test Method: Test of Reproduction and Survival Using the Cladoceran Ceriodaphnia dubia”, as amended from time to time.

8. This Regulation comes into force on August 1, 2007.