Very low PCB concentrations were detected in Asiatic clams and only from sites in the Blue River. No PCBs were detected in clams collected from the three sites in Indian Creek. Like fish, higher chlorinated PCBs were found in clams upstream of KCP discharges, while PCB-1242 was only detected in the clams detected downstream of KCP.
Extracts of low-chlorinated PCBs resembling Aroclor 1242 (identified as Aroclor 1248 in March 2003) were found in SPMDs at all sites where they were placed in the storm drain network feeding Outfall 002.
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Polychlorinated Biphenyls (PCBs) Results
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Schematic showing spatial pattern of Arochlor-1242 in sunfish and SPMDs near and within the Kansas City Plant as a result of the present study. SPMD results from March 2003 were identified as PCB 1248. |
| Schematic showing spatial pattern of higher chlorinated Arochlors (Aroclor 1254 + 1260) in sunfish collected near the Kansas City Plant, November 2002. |  |
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Schematic showing spatial distribution of mean total PCB concentrations in three species collected near Kansas City Plant in November 2002; green sunfish, Asiatic clams, and channel catfish. |
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Modified: July 16, 2004