O. Reg. 235/07: Effluent Monitoring and Effluent Limits - Industrial Minerals Sector

 

ontario regulation 235/07

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. 561/94

(Effluent Monitoring and Effluent Limits — Industrial Minerals Sector)

1. Subsection 7 (1) of Ontario Regulation 561/94 is revoked and the following substituted:

(1) Subject to section 21, 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 to 17.

3. Subsection 21 (1) of the Regulation is revoked and the following substituted:

(1) Where a discharger is, by virtue of subsection 7 (1), required by the Ministry of the Environment publication entitled “Protocol for the Sampling and Analysis of Industrial/Municipal Wastewater”, as amended from time to time, to collect a composite sample for any sample required to be picked up at a stream at the discharger’s plant under this Regulation, the discharger may collect the composite sample by collecting three equal volume grab samples from the stream at intervals of at least two hours and combining them.

4. Subsection 25 (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.

5. Subsection 26 (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.

6. Subsections 27 (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.

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