Concentrations of 2,3,7,8-TCDF in wild and net pen rainbow trout, and lake whitefish fillets collected from Lake Roosevelt and the Upper Columbia River by the U.S. Environmental Protection Agency1 (EVS 1998) in 1994 and by the USGS (Munn 2000) in 1998. [pg/g, picograms per grams; Upper, Northport to Kettle Falls; Lower, Spokane River to Grand Coulee Dam] TCDF Data Source Sample Location Species Fish Source (pg/g) USGS 1998 USGS-01 Upper Rainbow trout Wild 0.84 USGS 1998 USGS-02 Upper Rainbow trout Wild 0.74 USGS 1998 USGS-03 Upper Rainbow trout Wild 0.74 USGS 1998 USGS-04 Upper Rainbow trout Wild 1.03 USGS 1998 USGS-05 Upper Rainbow trout Wild 0.91 USGS 1998 USGS-06 Upper Rainbow trout Wild 0.20 USGS 1998 USGS-07 Upper Rainbow trout Wild 0.70 USGS 1998 USGS-08 Upper Rainbow trout Wild 0.47 USGS 1998 USGS-09 Lower Rainbow trout Wild 0.92 USGS 1998 USGS-10 Lower Rainbow trout Wild 0.71 USGS 1998 USGS-11 Lower Rainbow trout Wild 0.42 USGS 1998 USGS-12 Lower Rainbow trout Wild 0.41 USGS 1998 USGS-13 Lower Rainbow trout Wild 0.92 USGS 1998 USGS-14 Lower Rainbow trout Wild 2.03 USGS 1998 USGS-15 Lower Rainbow trout Wild 0.64 USGS 1998 USGS-16 Lower Rainbow trout Wild 0.59 USGS 1998 USGS-17 Lower Rainbow trout Net pen 1.03 USGS 1998 USGS-18 Lower Rainbow trout Net pen 0.39 USGS 1998 USGS-19 Lower Rainbow trout Net pen 0.60 USGS 1998 USGS-20 Lower Rainbow trout Net pen 0.54 USGS 1998 USGS-21 Lower Rainbow trout Net pen 0.36 USGS 1998 USGS-22 Lower Rainbow trout Net pen 0.39 USGS 1998 USGS-23 Lower Rainbow trout Net pen 0.42 USGS 1998 USGS-24 Lower Rainbow trout Net pen 0.42 EPA 1994 RWIND14UPP Upper Rainbow trout Wild 3.94 EPA 1994 RWIND9UPP Upper Rainbow trout Wild 7.12 EPA 1994 RWIND13UPP Upper Rainbow trout Wild 6.53 EPA 1994 RWIND11UPP Upper Rainbow trout Wild 1.53 EPA 1994 RWIND16UPP Upper Rainbow trout Wild 2.16 EPA 1994 RWIND12UPP Upper Rainbow trout Wild 1.32 EPA 1994 RWIND15UPP Upper Rainbow trout Wild 1.76 EPA 1994 RWIND18UPP Upper Rainbow trout Wild 1.51 EPA 1994 RWIND21UPP Upper Rainbow trout Wild 5.15 EPA 1994 RWIND23UPP Upper Rainbow trout Wild 1.16 EPA 1994 RWIND24UPP Upper Rainbow trout Wild 0.22 EPA 1994 RWIND20UPP Upper Rainbow trout Wild 0.34 EPA 1994 RWIND22UPP Upper Rainbow trout Wild 0.38 EPA 1994 RWIND17UPP Upper Rainbow trout Wild 3.30 EPA 1994 RWIND19UPP Upper Rainbow trout Wild 0.46 EPA 1994 RWIND1UPP Upper Rainbow trout Wild 1.69 EPA 1994 RWIND3UPP Upper Rainbow trout Wild 2.54 EPA 1994 RWIND4UPP Upper Rainbow trout Wild 0.44 EPA 1994 RWIND5UPP Upper Rainbow trout Wild 1.53 EPA 1994 RWIND2UPP Upper Rainbow trout Wild 5.27 EPA 1994 RWIND6UPP Upper Rainbow trout Wild 0.71 EPA 1994 RWIND7UPP Upper Rainbow trout Wild 5.57 EPA 1994 RWIND8UPP Upper Rainbow trout Wild 0.83 EPA 1994 RHIND1LOW Lower Rainbow Trout- archiv Unknown 1.77 EPA 1994 RHIND2LOW Lower Rainbow Trout- archiv Unknown 1.96 EPA 1994 RHIND3LOW Lower Rainbow Trout- archiv Unknown 1.39 EPA 1994 RHIND4LOW Lower Rainbow Trout- archiv Unknown 1.51 EPA 1994 RHIND5LOW Lower Rainbow Trout- archiv Unknown 1.53 EPA 1994 RHING6LOW Lower Rainbow Trout- archiv Unknown 1.35 EPA 1994 RHIND7LOW Lower Rainbow Trout- archiv Unknown 1.55 USGS 1998 USGS-25 Upper Whitfish Wild 4.99 USGS 1998 USGS-26 Upper Whitfish Wild 4.61 USGS 1998 USGS-27 Upper Whitfish Wild 0.87 USGS 1998 USGS-28 Upper Whitfish Wild 2.92 USGS 1998 USGS-29 Upper Whitfish Wild 6.26 EPA 1994 LFIND9MID Upper Whitfish- archived Wild 7.61 EPA 1994 LFIND10MID Upper Whitfish- archived Wild 1.75 EPA 1994 LFIND11MID Upper Whitfish- archived Wild 7.80 EPA 1994 LFIND12MID Upper Whitfish- archived Wild 1.64 EPA 1994 LFIND13MID Upper Whitfish- archived Wild 2.73 EPA 1994 LFIND14MID Upper Whitfish- archived Wild 1.73 EPA 1994 LFIND15MID Upper Whitfish- archived Wild 1.75 EPA 1994 LFIND16MID Upper Whitfish- archived Wild 1.20 1: EVS Consultants, 1998, Assessment of dioxins, furans, and PCBs in fish tissue from Lake Roosevelt, Washington, 1994: Seattle, Washington, U.S. Environmental Protection Agency, 53 p.