000 02221nam  2200409zi 4500
0019.881551
003CaOODSP
00520211126115250
006m     o  d f      
007cr bn|||||||||
008191101s1986    bccb    ob   f000 0 eng d
040 |aCaOODSP|beng|erda|cCaOODSP
043 |an-cn-bc
045 |ax8x8
0861 |aEn40-241/86-04E-PDF
1001 |aGodin, Benoît, |eauthor.
24510|aSite inspection August 18, 1982 : |bwater quality sampling program at Northair mine, Brandywine Falls / |cby B. Godin, M. Ross.
264 1|a[Vancouver?] : |bEnvironment Canada, Conservation and Protection, Environmental Protection Service, Pacific and Yukon Region, |c1986.
300 |a1 online resource (iv, 15 pages) : |bmaps.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |aRegional data report ; |vDR 86-04
500 |a"August 1986."
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references (page 9).
516 |aElectronic monograph in PDF format.
520 |a"Water quality (physical and chemical) data were obtained from mine and mill water and receiving waters on August 18, 1982. Settling ponds were effective in reducing copper, zinc, lead, manganese and iron levels. High chemical values were found downstream of the mine on Water Licence Creek. Water chemical levels at the Callaghan Creek station were below the Inland Water Directorate recommended surface freshwater quality objectives for aquatic life protection. The mine did not impact Callaghan Creek"--Summary, page iv.
530 |aIssued also in print format.
69207|2gccst|aMining industry
69207|2gccst|aWatercourses
69207|2gccst|aWater quality
7101 |aCanada. |bEnvironment Canada.
7101 |aCanada. |bEnvironmental Protection Service. |bPacific and Yukon Region.
830#0|aRegional data report (Canada. Conservation and Protection)|vDR 86-04.|w(CaOODSP)9.880720
85640|qPDF|s645 KB|uhttps://publications.gc.ca/collections/collection_2019/eccc/en40-241/En40-241-86-04-eng.pdf