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Published online 1 May 2008
Published in J Environ Qual 37:1024-1033 (2008)
DOI: 10.2134/jeq2006.0463
© 2008 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Chemical and Toxicologic Assessment of Organic Contaminants in Surface Water Using Passive Samplers

David A. Alvareza,*, Walter L. Cranora, Stephanie D. Perkinsa, Randal C. Clarka and Steven B. Smithb

a U.S. Geological Survey Columbia Environmental Research Center, 4200 New Haven Road, Columbia, MO 65201
b U.S. Geological Survey, MS 433, National Center, 12201 Sunrise Valley Dr., Reston, VA 20192


Figure 1
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Fig. 1. Field deployment canisters. (A) Polar organic chemical integrative sampler (POCIS) deployment canister with six POCIS mounted on a support rod that secures the samplers inside the canister. (B) Semipermeable membrane device (SPMD) deployment canister containing five SPMDs (cover removed to show SPMDs secured on racks).

 

Figure 2
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Fig. 2. Laboratory processing scheme for field-deployed and quality-control polar organic chemical integrative sampler (POCIS) and semipermeable membrane device (SPMDs). GC-ECD, gas chromatograph electron capture detector; GC-MSD, gas chromatograph-mass selective detector; OC, organochlorine; PAH, polycyclic aromatic hydrocarbon; PCB, polychlorinated biphenyl; SEC, size exclusion chromatography; YES, yeast estrogen screen.

 





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