00000nam 2200000za 4500 9.835436 CaOODSP 20221107150650 cr ||||||||||| 170419s1985 xxca #o f|0| 0 eng d CaOODSP eng n-cn--- NH18-1/2E-PDF CMHC septic tank standards [electronic resource]. First edition 1977; metric edition 1978; reprinted 1982, 1984, 1985. [Ottawa] : Canada Mortgage and Housing Corporation, c1984, 1985. 25 p. : ill. Digitized edition from print [produced by Canada Mortgage and Housing Corporation]. Issued also in French under title: Normes SCHL visant les fosses septiques. "Improper disposal of sewage may create both health and environmental problems. Typhoid fever, paratyphoid fever, dysentery and viral diseases are some of the health hazards that may be present in sewage. The nutrients in sewage, such as phosphorous and nitrogen will promote accelerated growth of aquatic plants and algae in lakes and streams. Nitrogen may also accumulate in the ground water to such an extent that the water may be unfit for consumption"--Introduction, p. 1. gccst Waste water gccst Waste Canada Mortgage and Housing Corporation. Normes SCHL visant les fosses septiques (CaOODSP)9.835439 PDF 927 KB https://publications.gc.ca/collections/collection_2017/schl-cmhc/NH18-1-2-eng.pdf