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 If you are unable to read them then click here to download the free Adobe Reader.  (You should consider un-checking the options you do not desire.)

Twiss Labs is in the process of combining the work request forms with the sampling instructions.  If you do not see the form you need on this page please check here.

Request Forms with Sampling Instructions:

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

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: July 12, 2009

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