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 We are converting our forms and sampling instructions to PDF format.  If you are unable to read them then click here to download the free Adobe Reader.  (You should consider un-checking the option to download the Google Toolbar.)

Sampling Instructions:

• Nitrate Analysis of Drinking Water
• Inorganic Chemical Analysis of Drinking Water
• Synthetic Organic Chemicals (SOC's)  new PDF document
• Volatile Organic Contaminants (VOC's) new PDF document
• Haloacetic Acids (HAA5)/Total Trihalomethane (TTHM) new PDF document
• Bacterial Sampling for Drinking Water
• Lead and Copper Sampling Instructions
• Radionuclides WSI Form and Instructions

The Bottle List

For questions regarding these sampling instructions please call Twiss Analytical Labs at (360) 779-5141, or email us.

Questions regarding drinking water regulations, system monitoring requirements or your particular system ID and source numbers should be directed to the regional contacts listed on the Water Sample Information form

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Last modified: August 28, 2008

Copyright© 2001 Twiss Analytical Laboratories