HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Alvarez, D. A. Articles by Smith, S. B. Search for Related Content PubMed Articles by Alvarez, D. A. Articles by Smith, S. B. Agricola Articles by Alvarez, D. A. Articles by Smith, S. B. Related Collections Agricultural Pesticides Organic Compounds Water Pollution

Chemical and Toxicologic Assessment of Organic Contaminants in Surface Water Using Passive Samplers

^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

View larger version (76K): [in this window] [in a new window]   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).

View larger version (22K): [in this window] [in a new window]   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.