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New Guidance on pH Analysis Averaging

New Guidance on pH Analysis Averaging

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Regulatory Updates

The State has provided us with new info on sampling and analysis for pH including how values for flow volume and time are more objective, but not required by the Permit. Additionally, averaging must be done such that acid and base values are averaged separately.

Check out the Excel pH Averaging Spreadsheet here: https://dl.dropbox.com/u/15486643/pH%20Averaging.xlsx

Check out the Boards guidance doc here: https://dl.dropbox.com/u/15486643/bulletin_2013_1.pdf

If you have questions or are interested in more info, let me know. DAVID

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EnviroTech NPDES Services was established in 2010 to provide professional stormwater education, industrial and construction site management for NPDES compliance, and technical support to public and private enterprises.

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