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In all instances, detailed printed instructions should accompany each set of sample bottles. The sam- ple containers should always be sent from the lab- oratory
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EPA-600/4-79-020 METHODS FOR CHEMICAL ANALYSIS OF WATER AND WASTES March 1983 Second Printing June 1982 ENVIRONMENTAL MONITORING AND SUPPORT LABORATORY
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CHEMetrics, Inc., manufactures a quality, cost-effective line of reagent vials for performing Chemical Oxygen Demand (COD) analysis. Both USEPA-Approved and
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Water Treatment Laboratory. Week 2. Course # 2122. Monday. 8:30. Pre-test one minute after reagent addition, then again after 15 minutes.
Vials contain premeasured digestion reagents suited to your expected range of COD, so there is no measuring of harmful chemicals- simply add your sample to