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| 02117nam 2200373zi 4500 |
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| 001 | 9.868563 |
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| 003 | CaOODSP |
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| 005 | 20221107162624 |
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| 006 | m o d f |
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| 007 | cr ||||||||||| |
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| 008 | 190219s2004 onc #ot f|0| 0 eng d |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 041 | |aeng|bfre |
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| 043 | |an-cn-on |
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| 086 | 1 |aEn13-5/04-207E-PDF |
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| 100 | 1 |aHeidtke, Thomas, |eauthor. |
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| 245 | 10|aPCB levels and trends within the Detroit River - western Lake Erie basin : |ba historical perspective of ecosystem monitoring / |cThomas Heidtke [and three others]. |
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| 264 | 1|aBurlington, Ontario : |bNational Water Research Institute, Environment Canada, |c[2004] |
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| 300 | |a1 online resource (11 pages) |
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| 336 | |atext|btxt|2rdacontent |
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| 337 | |acomputer|bc|2rdamedia |
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| 338 | |aonline resource|bcr|2rdacarrier |
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| 490 | 1 |aNWRI contribution ; |v04-207 |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 504 | |aIncludes bibliographic references. |
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| 520 | |a"An international workshop held in the spring of 2002 convened a group of technical to address monitoring, modeling, and management of PCBs within the Detroit River - western Lake Erie basin. Participants shared and discussed a diverse set of research data bases pertaining to PCB levels within the region, discussed observed changes different components of the local ecosystem, and identified several primary issues impacting future PCB management strategies. Results presented at the workshop indicate dramatic reductions in PCB contamination levels have been observed in much of study area between the late 1970s and mid-1990s"--Abstract. |
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| 546 | |aIncludes abstract in French. |
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| 692 | 07|2gccst|aWater pollution |
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| 692 | 07|2gccst|aAquatic ecosystems |
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| 710 | 1 |aCanada. |bEnvironment Canada. |
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| 710 | 2 |aNational Water Research Institute (Canada) |
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| 830 | #0|aNWRI contribution ;|v04-207.|w(CaOODSP)9.844121 |
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| 856 | 40|qPDF|s1.15 MB|uhttps://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-04-207-eng.pdf |
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