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| (800) Audit-44 (283-4844) | ![]() |
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Proficiency TestingProficiency testing provides an unbiased and independent evaluation of your lab through either EPA/NELAC specified or inter-laboratory round robin analysis. Advanced Analytical offers the most complete line of state-of-the-art single-blind and double-blind programs available for effective assessment and monitoring of your laboratory’s performance. Single-Blind Identified to the laboratory as performance samples, single-blind PT samples allow fundamental evaluation of a lab’s ability to perform testing within acceptable limits. Advanced Analytical offers both standard turn-around, and quick response testing. All control limits used in these studies are based on EPA/NELAC guidelines. BenchMark PT Samples PT NOW PT Samples Double-Blind Designed to appear as routine samples, double-blind PT samples are submitted to the laboratory without notice, making them the most Environmental Laboratory Program Samples |
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