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TABLE 8 FOR WATER-RESOURCES INVESTIGATIONS REPORT 02-4124

Table 8. Organochlorine pesticide, pesticide metabolite, and total PCB concentrations from semipermeable membrane device samples collected from the Pearson Creek and Wilsons Creek Basins [All constituents are reported in micrograms per kilogram; S, storm-event sample; L, long-term sample; <, less than; E, estimated value from laboratory]
Station name Station number Sample type Date Time Aldrin cis -Chlordane trans -Chlordane DCPA (Dacthal) o , p' -DDD p , p' -DDD o , p' -DDE p , p' -DDE o , p' -DDT p , p' -DDT
                             
Pearson Creek 07050690 S 05/12/00 0800 <5.0 26 21 <5.0 <5.0 <5.0 <5.0 E2.2 <5.0 E2.2
Pearson Creek 07050690 L 06/28/00 0600 <5.0 7.9 8.4 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0
Pearson Creek 07050690 S 07/12/00 0500 <5.0 <5.0 <5.0 <5.0 <5.0 E4.4 <5.0 <5.0 <5.0 <5.0
Wilsons Creek near Battlefield 07052160 L 08/19/99 0800 <5.0 54 41 <5.0 <5.0 <5.0 <7.5 5.9 <5.0 <5.0
Wilsons Creek near Battlefield 07052160 S 02/17/00 1500 <5.0 E2.1 7.4 <5.0 <5.0 <5.0 <5.0 E2.1 <5.0 <5.0
Wilsons Creek near Battlefield 07052160 L 06/11/00 0800 <5.0 28 21 <5.0 <5.0 <5.0 <5.0 E2.8 <5.0 <5.0
Wilsons Creek near Battlefield 07052160 S 07/12/00 1200 <5.0 E3.8 E23 <5.0 <5.0 <5.7 <5.0 E2.0 <5.0 <5.0

 

Station name Station number Sample type Date Time Dieldrin Endrin alpha -HCH beta -HCH delta -HCH gamma -HCH Heptachlor Heptachlor epoxide Hexachloro-benzene o , p' -Methoxy-chlor
                             
Pearson Creek 07050690 S 05/12/00 0800 10 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 15 <5.0 <5.0
Pearson Creek 07050690 L 06/28/00 0600 E4.3 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 E3.3 <5.0 <5.0
Pearson Creek 07050690 S 07/12/00 0500 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 E6.6 <5.0 <5.0
Wilsons Creek near Battlefield 07052160 L 08/19/99 0800 45 <7.5 <5.0 <5.0 <8.5 <16 <5.0 18 E4.0 <5.0
Wilsons Creek near Battlefield 07052160 S 02/17/00 1500 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0
Wilsons Creek near Battlefield 07052160 L 06/11/00 0800 11 <5.0 <5.0 <5.0 <5.0 <5.5 <5.0 17 <5.0 <5.0
Wilsons Creek near Battlefield 07052160 S 07/12/00 1200 <5.0 <5.0 <5.0 <5.0 <5.0 <6.1 E6.4 E11 <5.0 <5.0
                             

 

Station name Station number Sample type Date Time p , p' -Methoxy-chlor Mirex cis -Nonachlor trans -Nonachlor Oxy-chlordane Total PCB Pentachloro-anisole Toxaphene
                         
Pearson Creek 07050690 S 05/12/00 0800 <5.0 <5.0 E2.1 11 E4.8 <50 11 <200
Pearson Creek 07050690 L 06/28/00 0600 <5.0 <5.0 <5.0 E4.6 <5.0 <50 6.4 <200
Pearson Creek 07050690 S 07/12/00 0500 <5.0 <5.0 <5.0 <5.0 E3.9 <50 E20 <200
Wilsons Creek near Battlefield 07052160 L 08/19/99 0800 <5.0 <5.0 11 <240 <191 <50 15 <200
Wilsons Creek near Battlefield 07052160 S 02/17/00 1500 <5.0 <5.0 <5.0 <5.0 <130 <50 <5.0 <200
Wilsons Creek near Battlefield 07052160 L 06/11/00 0800 <5.0 <5.0 6.5 32 <150 <50 8.9 <200
Wilsons Creek near Battlefield 07052160 S 07/12/00 1200 <5.0 <5.0 <5.0 <5.0 <110 <50 E32 <200
                         

 

For more information, contact:

Joseph M. Richards, Hydrologist
U.S. Geological Survey
Missouri Water Science Center
1400 Independence Road
Mail Stop 100
Rolla, MO 65401
Telephone: (573) 308-3667
Fax (573) 308-3645

 

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