DEQ Water Sampling 101 - Thermal Preservation

This video will cover how to properly pack and ship a drinking water sample so that it can meet thermal preservation requirements.  A disinfection byproducts sample is demonstrated in this video as an example, but these techniques can be applied to other drinking water samples requiring thermal preservation too.  For more helpful tips for meeting compliance with the Safe Drinking Water Act, please visit


Helpful Hints to Meet Thermal Preservation Requirements