00000nam 2200000zi 4500 9.878887 CaOODSP 20241203113651 m o d f cr bn||||||||| 190904s1972 onca ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- En36-508/19E-PDF Wales, R. W., author. Interlaboratory quality control study no. 2 : total phosphate, organic nitrogen, nitrate nitrogen, and organic carbon / R.W. Wales and W.J. Traversy. Ottawa, Canada : Inland Waters Branch, Department of the Environment, 1972. 1 online resource (v, 27 pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier Report series ; no. 19 Pages 10 and 26 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 8). "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 Canada. Environment Canada. Canada. Inland Waters Branch. Report series (Canada. Inland Waters Branch) no. 19. (CaOODSP)9.862406 PDF 1.17 MB https://publications.gc.ca/collections/collection_2019/eccc/en36-508/En36-508-19-eng.pdf