00000nam 2200000zi 4500 9.877044 CaOODSP 20241203113650 m o d f cr ||||||||||| 190726e199009##oncd #ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn--- n-us--- En13-5/90-135E-PDF Aspila, K. I., author. Assessing the performance of laboratories in large external quality assurance programs / by K.I. Aspila and A.S.Y. Chau. Performance in large QA programs Burlington, Ontario, Canada : National Water Research Institute, Research and Applications Branch, September 1990. 1 online resource (iv, 22 pages) : graphs. text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; 90-135 Title from cover. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 10). "Interlaboratory quality assurance studies (external QA) are effective techniques to monitor the performance of laboratories analyzing environmental constituents. Environment Canada through the National Water Research Institute conducts intercomparison studies on waters, sediments and fish for inorganic and toxic organic constituents. Over 400 laboratories in Canada and the United States are involved in eight different ongoing external QA programs. Most studies include over 50 laboratories that analyze 15 to 30 different constituents in ten different samples"--Abstract, page ii. Includes abstract and management perspective in English and French. gccst Laboratories gccst Quality control gccst Environmental management Chau, A. S. Y. (Alfred Shun-Yuen), 1941- author. Canada. Environment Canada. National Water Research Institute (Canada). Research and Applications Branch. NWRI contribution ; 90-135. (CaOODSP)9.844121 PDF 1.87 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-90-135-eng.pdf