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Main Title Distribution and Characterization of PCBs (Polychlorinated Biphenyls) in Lake Michigan Water.
Author Swackhamer, D. L. ; Armstrong, D. E. ;
CORP Author Wisconsin Univ.-Madison.;Environmental Research Lab.-Duluth, MN.;National Sea Grant Coll. Program, Rockville, MD.
Publisher c1987
Year Published 1987
Report Number EPA/600/J-87/507;
Stock Number PB90-142852
Additional Subjects Biphenyl ; Chlorine organic compounds ; Water pollution ; Lake Michigan ; Sampling ; Concentration(Composition) ; Variations ; Chemical equilibrium ; Liquids ; Distribution functions ; Water-particle partition coefficient
Library Call Number Additional Info Location Last
NTIS  PB90-142852 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 15p
Abstract Polychlorinated biphenyls (PCBs) were measured in the water column of Lake Michigan at 28 stations. Distributions between dissolved and particulate phases were used to evaluate the partitioning behavior of PCBs. The average PCB concentration in Lake Michigan was 1.8 ng/l, corresponding to a total PCB burden of 8,900 kg. The average PCB concentration was significantly lower in open lake (1.2 ng/l) than in nearshore zone samples (3.2 ng/l). Concentrations in Green Bay were elevated compared to the rest of the lake. Variations in concentration with depth were small. The average log of the water-particle partition coefficient (Kp) was 5.9. Little dependence of Kp on particulate organic carbon was observed. A relationship was found between log Kp and log SPM (suspended particulate matter) concentration, perhaps reflecting association of a non-filterable fraction of the SPM with the aqueous phase.
Supplementary Notes Pub. in Jnl. of Great Lakes Research 13, n1 p24-36 1987. Sponsored by Environmental Research Lab.-Duluth, MN., and National Sea Grant Coll. Program, Rockville, MD.
NTIS Title Notes Journal article.
Category Codes 68D; 48G; 99A
NTIS Prices PC A03/MF A01
Primary Description 600/03
Document Type NT
Cataloging Source NTIS/MT
Control Number 007529472
Origin NTIS
Type CAT