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Water Quality (2)
Helpful sites about water quality.
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Texas Water Quality Association - TWQA
The Texas Water Quality Association, or TWQA, is a Texas-based trade association of water quality improvement professionals and their suppliers. The purpose of the Texas Water Quality Association is to assure the individual's right to enhance the quality of water by providing continuing education and training to our members, governmental entities and the general public.
http://www.twqa.org/
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Water Quality Association
WQA, water, water quality, nsf Certified, certification, iron in water, nitrates, rusty stains, blue green stains, water filter, pure water, water contamination, clean water, water problems, e-coli, lead, cryptosporidium, bottled water, well water, water testing, water experts, reverse osmosis, water softening, distillation, hard water, water stain, water smell, water purifier, radon, H2O
http://www.wqa.org/
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