00000nam 2200000zi 4500 9.873466 CaOODSP 20241203113649 m o d f cr bn||||||||| 190523s1997 onca ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-on En13-5/97-141E-PDF Zanini, L. (Lavinia) author. Phosphorous characterization in sediments impacted by septic effluent at four sites in central Canada / by L. Zanini, W.D. Robertson, C.J. Ptacek, S.L. Schiff and T. Mayer. Burlington, Ontario : National Water Research Institute = Institut national de recherche sur les eaux, 1997. 1 online resource (2 unnumbered pages, 20 pages, 12 unnumbered pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; no. 97-141 "(Aug. 22/1997)." "For submission to: Journal of Contaminant Hydrology." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Characterization of phosphorous (P) enriched solids was undertaken in the sediments below four mature septic system infiltration bed where previous monitoring of water table phosphate (PO₄) concentrations had indicated that substantial retention of P was occurring in the vadose zone. At each site, zones of P enrichment were identified by acid extraction of the sediments. Acid extractable sediment P concentrations were found to be 2-5 times higher than background values, within narrow discrete zones generally 10-30 cm in thickness, located within one meter of the infiltration pipes … "--Executive summary, page i. gccst Sediments gccst Pollutants gccst Waste water Ptacek, Carol Jane, 1959- author. Schiff, Sherry Line., author. Mayer, Tatiana, author. Robertson, William Dean, 1953- author. Canada. Environment Canada. University of Waterloo. Dept. of Earth Sciences. National Water Research Institute (Canada) NWRI contribution ; no. 97-141. (CaOODSP)9.844121 PDF 1.79 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-97-141-eng.pdf