00000nam 2200000zi 4500 9.878894 CaOODSP 20241203113651 m o d f cr bn||||||||| 190904t19731973onca ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- En36-508/21E-PDF En36-508/21 Wales, R. W., author. Interlaboratory quality control study no. 3 : copper, chromium, lead, manganese and zinc / R.W. Wales and D.J. McGirr. Burlington, Ontario : Inland Waters Directorate, Canada Centre for Inland Waters, 1973. ©1973 1 online resource (iii, 26 pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier Report series ; no. 21 Page 8 blank and unnumbered in original print edition and omitted in this copy. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 6). "This is the second of a series of reports on the evaluation of analytical data. The first report evaluated the major ions sodium, potassium, calcium and magnesium, and the evaluation was carried out by six participating laboratories. The current report evaluates the nutrients phosphorus, nitrogen and carbon and the study involved nine laboratories - four in the Water Quality Division and five outside the federal government. Two more studies are in progress and reports are being prepared. These two studies evaluate the trace metals copper, zinc, lead, chromium, manganese, mercury, cadmium and arsenic"--Foreword, page v. Issued also in print format. gccst Water gccst Water quality gccst Analysis McGirr, D. J., author. Canada. Environment Canada. Canada. Inland Waters Directorate. Report series (Canada. Inland Waters Directorate) no. 21. (CaOODSP)9.862410 PDF 890 KB https://publications.gc.ca/collections/collection_2019/eccc/en36-508/En36-508-21-eng.pdf