Talk:Maximum acceptable toxicant concentration

External links modified (January 2018)
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I have just modified one external link on Maximum acceptable toxicant concentration. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20070823234813/http://www.waterquality.ec.gc.ca/waterqualityweb/guidelines.aspx?catId=1 to http://www.waterquality.ec.gc.ca/waterqualityweb/guidelines.aspx?catId=1

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Cheers.— InternetArchiveBot  (Report bug) 00:06, 23 January 2018 (UTC)