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July 27, 2015

Homework Help: Chemistry

Posted by Deepa on Thursday, February 14, 2013 at 6:06am.

1) Aldrin and dieldrin are pesticides that used to be allowed for the control of soil insects. In ontario, the maximum allowable total concentration of alrin plus dieldrin in drinking water is 0.7 ppb. If a 250mL sample of drinking water is found to contain 0.0001mg of aldrin and dieldrin, does the concentration exceed the standard? Explain.

I tried doing this and kept on getting the wrong answer please help me out

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