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Laboratory Licensing

Effective October 1, 2003, laboratories in Ontario must be licensed to test drinking water. The Drinking Water Testing Services Regulation, created under the Safe Drinking Water Act, became law June 16, 2003.

Resources Laboratory Information   Table of laboratories licensed to perform drinking water testing under Part VII of the SDWA     4464e Ministry of the Environment Practices for Collection and Handling 4780e Ministry of Environment Laboratory Services Branch Current/Active LSB Analytical Methods - Drinking Water (December 2005) Laboratory Updates / News 4879e Laboratory Update Bulletin: Drinking Water Testing, Issue # 1 – June 2004 5212 Laboratory Update Bulletin: NEW Ministry of Environment’s “Protocol for Acceptance of Alternate Methods” (PAAM) – method equivalence document for drinking-water testing   O. Reg. 252/05 Announcement: Improving the Regulation Of Drinking Water Systems in Ontario Technical Updates and Fact Sheets 5292e What to expect when an Environmental Officer inspects your laboratory facility - A brief guide for laboratories, employees and their representatives 4465e Protocol of Accepted Drinking Water Testing Methods 5297e Ministry of the Environment Protocol for Acceptance Of Alternate Methods (PAAM) Forms 1981e Application for a Drinking-Water Testing License Amendment / Notification to Ministry of Laboratory Changes 1828e Application for a Licence to Perform Drinking Water Testing 1868e Out-of-Province Permission Letter for List of Out-of-Province Eligible Laboratories Legislation (on e-laws) Drinking Water Testing Services Regulation - O. Reg. 248/03 Ontario Drinking Water Standards Regulation - O. Reg. 169/03 Drinking Water Systems Regulation O.Reg. 170/03 Regulation for non-residential and non-municipal seasonal residential systems that do not serve designated facilities (Ontario Regulation 252/05) Safe Drinking Water Act, 2002

If you are having difficulty accessing a document, please contact the Ministry of the Environment at picemail@ene.gov.on.ca or phone the ministry's Public Information Centre at 1- 800-565-4923, in Toronto 416-325-4000 or by mail to the Ministry of the Environment, Public Information Centre, 135 St. Clair Ave. West, 1st Floor, Toronto, ON. M4V 1P5.

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