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Control designed to monitor the precision of urine dipstick testing; available in 12 mL ready-to-use dropper bottles qUAntify Plus Control Combination urine dipstick and microscopic control; available in either 12 mL centrifuge tubes or 120 mL flip-top squeeze bottles Those involved in quality control are also subject to complacency. Quality-con-trol methods often are accepted because “that’s the way it has always been done.” This is an especially dangerous attitude if the test result is biased or based on the conditions set forth, or if a better method is overlooked. A quality-control labora- ASTM B117 Testing Quality Control ASTM B117 Testing, also known as a Standard Practice for Operating Salt Spray (Fog), is used to analyze relative corrosion for specimens of metals and coated metals exposed to various simulated climatic conditions in a controlled environment. This testing practice was initially published in 1939 and rapidly ...