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HomeMy WebLinkAboutDEQ-CFW_00001240Update: Urban Lakes PFCs Study January 29, 2008 The Minnesota Pollution Control Agency has completed analysis of additional data from a study of PFCs in fish in Twin Cities -area fishing lakes. The MPCA began the survey in April 2007 after finding relatively high levels of PFOS in Lake Calhoun fish in Minneapolis last spring. The latest findings represent another 381 fish taken from 20 lakes and two new river reaches. (The first results were released in August 2007.) The findings show a mix of results, from elevated levels of PFOS to no detection. However fish from several lakes had levels high enough to possibly be of concern. These lakes include Lake Johanna (Arden Hills), Cedar (Minneapolis), Harriet, Hiawatha, Jane, Keller, Powers, Red Rock and Tanners. For example, fish from Lake Johanna have levels similar to those previously found in fish from Lake Calhoun and Lake Elmo. Fish from a number of lakes or rivers in the survey show little or no trace of PFOS, including Cedar (Scott County), Centerville, Colby, Green Mountain, Hydes, Independence, Nokomis, Peltier, Upper Prior, Sarah, Silver, and the Mississippi River at Brainerd. The MPCA urban lakes study will be complete after results from Lake Minnetonka and Lake Josephine come in later this winter. Certified analysis can take several months due to the number of parameters included and the fact that only a few labs in North America can analyze PFCs in fish tissues. Fish were collected over the summer by PCA and DNR crews and analyzed for 13 different PFC compounds. Lakes were selected based on higher fishing pressure and prevalence of species such as bluegill and bass, which have shown relatively higher concentrations of PFOS. Of the 13 compounds, only PFOS has been found to accumulate in fish tissue. The Minnesota Department of Health is evaluating the MPCA fish data as part of the annual update of the Minnesota Fish Consumption Advisory. Each year MDH incorporates new data on many contaminants, including mercury and PCBs, into the update to provide Minnesotans with advice about how to benefit from the good nutrition available from fish with the least amount of contaminants. "The fish consumption advisory is based on long-term, lifetime exposure and any changes to the advice, if indicated, would be similar to past advice for PFC-impacted waters," said MDH scientist Pat McCann. The current Minnesota Fish Consumption Advisory, including the general statewide advice, is available at htti)://www.health.state.mn.us/divs/ch/fish/index.html. The results of the MPCA's urban lakes study provide some important clues about the presence of PFCs in parts of the Twin Cities that aren't near known sources of PFC wastes or manufacture. The widely varying fish -tissue results suggest that atmospheric DEQ-CFW 00001240 deposition of PFCs likely is not a significant contributor to the elevated concentrations of PFCs in some metro -area lakes. Results of shallow groundwater sampling have shown similar variability, and atmospheric deposition would be expected to produce much more uniform concentrations of PFCs in shallow groundwater, lakes, and fish. The likelier explanation is that varying PFOS concentrations are due to runoff in stormwater associated with different land uses around lakes. The chemicals are in a wide variety of commercial, industrial, and consumer products, e.g., firefighting foam, lubricants, and water- and grease -resistant coatings on paper and fabric, and could be entering stormwater from those sources. Complete data for the study results thus far follow below. For more information on the findings contact Paul Hoff, 651-296-7799; Laura Solem, 218-529-6254; or Ralph Pribble, 651-296-7792. For information on the MDH's fish consumption advisory program contact Pat McCann, 651-201-4915. DEQ-CFW 00001241 2007 MPCA Metro Lakes PFC Fish Data — additional 20 lakes January 28, 2008 Average PFOS Concentration n / ; b) Bluegill Bluegill (comp) Black Crappie Black Crappie (comp)Bass Largemouth Northern Pike Walleye Yellow Perch (comp) Cedar (Hennepin) 28 (5) 34 (5) ns ns 72 (4) ns ns ns Cedar Scott <dl 5 <dl 5 ns ns 6 5 ns <dl 1 ns Centerville 9 5 9 5 ns ns ns 9 7 ns ns Colb 22 5 23 5 14 5 14 5 ns ns ns ns Green Mountain <dl (5) <dl (5) ns ns ns ns ns ns :Harriet 114 5 89 5 ns ns 148 5 ns ns ns Hiawatha 26 5 27 5 40 5 ns ns pending ns ns H des <dl 5 <dl 5 <dl 6 ns ns 5 5 ns ns lnde endence 5 5 <dl 5 <dl 5 ns ns <dl 2 ns ns Jane 22 5 8 5 25 8 ns 47 5 ns ns ns Johanna 212 6 250 5 222 3 ns ns ns ns ns Keller 69 5 70 5 ns ns ns ns ns ns Nokomis 10 7 ns 10 5 ns ns ns ns ns Peltier 12 5 ns ns ns ns 14 5 ns ns Powers 40 5 65 5 51 5 ns ns 64 3 ns 42 5 Upper Prior 5 5 <dl 5 ns ns 6 5 ns ns ns Red Rock 41 5 35 5 103 5 ns 69 5 ns ns ns Sarah 7 5 <dl 4 <dl 5 ns ns 10 5 ns ns Silver 24 5 34 5 33 5 35 5 ns ns 17 4 ns Tanners 76 5 55 5 118 5 ns 80 5 ns ns ns Bluegill Bluegill (comp)White Bass Smallmouth Bass Walleye Northern Pike St Croix River, Washington County 23 (5) 12 (5) 82 (1) 15 (5) 17 (5) ns Bluff Park area Mississippi River, 10 (2) ns ns 13 (5) 9 (5) 7 (3) Brainerd area numbers listed are: average PFOS concentration (# of fish) <dl — less than the detection limit z 5 ng/g ns — not sampled comp — composite; tissue from several fish is combined then PFCs are measured (# of fish combined) pending — analysis not completed For further information please contact Paul Hoff 651-296-7799 or Laura Solem 218-529-6254. DEQ-CFW 00001242 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 Cedar Lake Fish PFC anal sis (Hennepin Coun Species & Sample ID Sample Date Tissue Wt (g) Ln (em) Age/ sex PFOS n �b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-1 2007 Fillet 24 12 3/F 33.5 <2.50 <2.50 <2.50 <2.50 <2.50 <2.50 BG-5 2007 Fillet 56 15.5 5/1 31 <2.39 <2.39 <2.39 2.46 <2.39 <2.39 BG-6 2007 Fillet 25 11.5 2/F 17.9 <2.50 <2.50 <2.50 <2.50 <2.50 <2.50 BG-8 2007* Fillet 47 14.5 4/F 30.9 <2.37 <2.37 <237 3.11 <2.37 <2.37 BG-10 2007 Fillet 24 12 2/J 27.8 <2.51 <2.51 <2.51 5.25 3.77 <2.51 BG-comp2007 Fillet 34 <2.42 <2.42 <2.42 2.99 <2.42 2.56 Largemouth Bass LMB-1 2007 Fillet 531 33 5/M , 53.8 <2.46 <2.46 <2.46 4.88 3.54 2.58 LMB-2 2007 Fillet 488 31 5/F 70.8 <2.40 <2.40 <2.40 6.7 3.49 3.39# LMB-3 2007 Fillet 1166 43 10/F 56.3 <2.48 <2.48 <2.48 8.27 4.61 3.25# LMB-4 2007 Fillet 1592 46 11/F 108 <2.42 <2.42 <2.42 5.22 3.67 5.27# LMB-4(dup) Fillet 103 1 <2.45 <2.45 <2.45 6.37 4.05 5.02# Cedar Lake Fish PFC anal sis Scott Count Species & Sample ID Sample Date Tissue Wt (g) Ln (CM) Age/ sex s PFOS n �/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-1 8/24/07 Fillet 16 9 1/J <4.81 <2.40 <2.40 <2.40 <2.40 <2.40 <2.40 BG-4 8/24/07 Fillet 19 10 25 <6.76 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 BG-5 8/24/07 Fillet 97 17 6/M <4.81 <2.40 <2.40 <2.40 <2.40 <2.40 <2.40 BG-6 8/24/07 Fillet 31 NA 4/M <4.95 <2.48 <6.43 <2.48 <2.48 <2.48 <2.48 BG-9 8/24/07 Fillet 82 16 5/M <4.81 <2.40 <2.40 <2.40 <2.40 <2.40 <2.40 BG-comp8/24/07 Fillet <4.85 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 Largemouth Bass LMB-1 8/24/07 Fillet 1292 41 9/M 6.24 <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 LMB-2 8/24/07 Fillet 1528 NA 9/F <4.90 <2.45 <2.45 <2.45* <2.45 <2.45 <2.45 LMB-3 8/24/07 Fillet 1264 40 8/F <4.67 <2.34 <2.34 <2.34* <2.34 <2.34 <234 LMB-4 8/24/07 Fillet 857 40 8/M <4.88 <2.44 <2.44 <2.44* <2.44 <2.44 <2.44 LMB-5 8/24/07 Fillet 1110 42 9/M <4.74 <3.85 <2.37 <2.37* <2.37 <2.37 <2.37 LMB-5(dup) Fillet <5.03 <2.51 <2.51 <2.51* <2.51 <2.51 <2.51 Walleye WAE-1 8/24/07 Fillet 714 43 7/M <4.95 <2.48 <4.04 <2.48* <2.48 <2.48 <2.48 DEQ-CFW 00001243 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 Centerville Lake Fish PFC analysis Species & Sample ID Sample Date Tissue wt fi) g Ln hem) Age/ sex rs PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-1 2007 Fillet 69 15 4/F <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 BG-2 2007 Fillet 62 14.5 4/M g6.24 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 BG-4 2007 Fillet 42 12.5 3/J <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 BG-8 2007 Fillet 61 15 4/F <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-9 2007 Fillet 74 15 4/M 6.74 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-comp2007 Fillet 8.71 <2.23 <2.23 <2.23 <2.23 <2.23 <2.23 Northern Pike NOP-1 2007 Fillet 1609 58 4/F 9.01 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 NOP-2 2007 Fillet 878 49 48 10.2 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 NOP-3 2007 Fillet 793 46 4/J 9.03 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 NOPs4 2007 Fillet 1067 56.5 4/J 6.3 <2.74 <2.50 <2.50 <2.50 <2.50 <2.50 NOP-5 2007 Fillet 1183 54 4/M 7.84 <2.51 <2.51 <2.51 <2.51 <2.51 <2.51 NOP-6 2007 Fillet 1546 65 5/M 11.4 <2.40 <2.40 <2.40 <2.40 <2.40 <2.40 NOP-7 2007 Fillet 896 51 4/M 10.6 <2.44 <2.44 <2.44 <2.44 <2.44 <2.44 Colby Lake Fish PFC anal sis Species & Sample ID Sample Date Tissue Wt ig) Ln hem) Age/ sex s PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Bluegill 13G-4 6/6/07 Fillet 21 9.5 1/M 21.7 <2.44 <2.44 3.01 <2.44 <2.44 BG-5 6/6/07 Fillet 31 12 2/F 23.9# <2.46 <2.46 <2.46 <2.46 <2.46 BG-7 6/6/07 Fillet 34 12.5 2/J 32.8 <2.49 N<4.O <2.49 <2.49 <2.49 <2.49 BG-9 6/6/07 Fillet 35 12 2/F 13# <2.50 <2.50 <2.50<2.50 <2.50 BG-10 6/6/07 Fillet 29 11 2/F 18.9# <2.49 <2.49 <2.49 <2.49 <2.49 BG-com 6/6/07 Fillet 23.4 <2.40 <2.40 <2.40 <2.40 <2.40 Black Crappie BLC-2 6/6/07 Fillet 42 16.6 <2.50 <2.50* <2.50 2.84 <2.50 <2.50 BLC-4 616/ 77 Fillet 47 13.2# <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 BLC-5 6/6/07 Fillet 47 $14,531M 12.6# <2.35 <2.35 <2.35 <2.35 <2.35 <2.35 BLC-7 6/6/07 Fillet 46 14.6 <2.44 <2.44 <2.44 <2.44 <2.44 <2.4BLC-8 6/6/07 Fillet 34 12 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BLC-comp6/6/07 Fillet 14.3 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 Green Mountain Lake Fish PFC analysis Species & Sample ID Sample Date Tissue wt lg) Ln lem) Age/ sex s PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUaA ng/g b PFDoA ng/g b Blue ill BG-1 5/9/07 Fillet 50 13.5 3(J <4.85 <2.43 <2.43 1 <2.43 <2.43 <2.43 <2.43 13G-3 5/9/07 Fillet 118 17.5 6/M <4.98 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 BG-5 5/9/07 Fillet 133 19 7/M <4.90 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 BG-6 5/9/07 Fillet 85 16 5/F <4.85 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 BG-8 5J9/07 Fillet 50 13.5 3/M <4.85 <2.43 <2.43 <2.43 <2.43 1 <2.43 <2.43 BG-com 5/9/07 Fillet <4.88 <2.44 <2.46 <2.44 <2.44 <2.44 <2.44 DEQ-CFW 00001244 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 Harriet Lake Fish PFC anal sis Species & Sample ID Sample Date T1SSUe ��'t (g) L° (em) Age/ sex s PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-5 8/17/07 Fillet 17 9 1/J 1 108 <2.40 <2.40 <2.40 4.91 <2.40 <2.40 BG-6 8/17/07 Fillet 42 10 2/F 78.1 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-7 8/17/07 Fillet 12 7 1/1 124 <2.43 <2.43 <2.43 6.98 <2.43 <2.43 BG-9 8/17/07 Fillet 30 11 2/M 95.9 <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 BG-10 8/17/07 Fillet 73 NA 4/M 163 <2.40 <2.40 <2.40 4.98 5.27# 4.12 BG-comp8/17/07 Fillet 89.3 <2.44 <2.44 <2.44 2.59 <2.44 <2.44 Largemouth Bass LMB-1 8/17/07 Fillet 373 30 4/F 146 <5.38 <2.49 <2.49* 8.74 4.59 2.78 LMB-2 8/17/07 Fillet 554 34 6/F 20.5 <3.66 <2.46 <2.46* 5.4 <2.46 <2.46 LMB-3 8/17/07 Fillet 355 29 4/J 150 <2.39 <2.39 <2.39* 9.25 3.71 3.64 LMB-4 8/17/07 Fillet 963 39 8/M 254 <4.20 <2.43 <2.43* 10 5.28 7.1 LMB-5 8/17/07 Fillet 866 1 40 1 8/F 170 1 <2.42 <2.42 <2.42 10.1 4.65 1 3.66 Hiawatha Lake Fish PFC analysis Species & Sample ID Sample Date Tissue wt fig) Ln hem) Age/ sex rs PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill 13G-2 2007 Fillet 73 16 5/M 1 35 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-6 2007 Fillet 94 18 6/M 15.7 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-7 2007 Fillet 36 13 3/F 15.5 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-9 2007 Fillet 8 8 1/1 31.8 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 BG-10 2007 Fillet 5 7.8 18 31.9 <3.55 <3.55 <3.55 <3.55 <3.55 1 <3.55 BG-comp2007 Fillet 27.3 <2.42 <2.42 <2.42 <2.42 <2.42 <2.42 Black Crappie BLC-1 2007 Fillet 73 19 5/F 36.6 <2.50 <2.50 <2.50 2.7 <2.50 <2.50 BLC-2 2007 Fillet 103 21.5 6/M 71.7 <2.35 <2.35 <2.35 3.94 <2.35 4.75 BLC-3 2007 Fillet 71 18 4/F 35.1 <2.30 <2.30 <2.30 2.32 <2.30 <2.30 BLC-4 2007 Fillet 83 18 4/F 33.5 <2.45 <2.45 <2.45 <2.45 <2.45 1 <2.45 BLC-5 2007 Fillet 64 17 4/F 21 1 <2.50 <2.50 <2.50 DEQ-CFW 00001245 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 H des Lake Fish PFC anal sis Species & Sample ID Sample Date Tissue vvt (g) Ln (em) Age/ Sex s PFOS ng/g b PFDA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-1 7/24/07 Fillet 9 7 1/1 <5.05 <2.53 <2.53 <2.53 <2.53 <2.53 <2.53 BG-5 7/24/07 Fillet 9 9 1/1 <5.08 <2.54 <2.54 <2.54 <2.54 1 <2.54 <2,54 BG-6 7/24/07 Fillet 130 17 6/F <4.85 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 BG-7 7/24/07 Fillet 127 17 6/M <4.83 <2.42 <2.42 <2.42 <2.42 <2.42 1 <2.42 BG-10 7/24/07 Fillet 123 17.5 6/F <4.95 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-10(dup) Fillet <4.90 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 BG-comp7/24/07 Fillet <4.41 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 Black Crappie BLC-1 7/24/07 Fillet 124 20 5/F <4.88 <2.44 <2.45 <2,44* <2.44 <2.44 <2.44 BLC-1(dup) Fillet 1-4.93 <2.46 <2.46 <2.46* <2.46 <2.46 <2.46 BLC-2 7/24/07 Fillet 178 23 6/F <4.90 <2.95 <2.45 <2.45* <2.45 <2.45 <2,45 BLC-3 7/24/07 Fillet 167 22.5 6/F <4.78 <4.24 <2.39 <2.39* <2.39 <2.39 <2.39 BLC-4 7/24/07 Fillet 206 24 7/F <4.88 <2.44 <2.44 <2.44* <2.44 <2.44 <2.44 BLC-5 7/24/07 Fillet 224 25 7/M <4.90 <2.45 <2.45 <2.45* <2.45 <2.45 <2.45 BLC-6 7/24/07 Fillet 220 25 7/F <4.90 <2.87 <2.45 <2.45* <2.45 <2.45 <2.45 Northern Pike NOP-1 7/24/07 Fillet 2170 68 5!M <4.93 <2.46 <2.46 <2,46 <2.46 <2.46 <2.46 NOP-2 7/24/07 Fillet 631 48 4/M <4.41 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 NOP-3 7/24/07 Fillet 741 46 4/F <4.52 <2.26 <2.26 <2.26 <2.26 <2.26 <2.26 NOP-4 7/24/07 Fillet 2342 68 6/J <4.69 <2.35 <2.35 <2.35 <2.35 <2.35 <2.35 NOP-4(du) <4.65 <2.33 <2.33 <2.33 <2.33 <2.33 <2.33 NOP-5 7/24/07 Fillet 3445 74 6/F 4.76 <2.37 <2.37 <2.37 <2.37 <2.37 <2.37 Inde endence Lake Fish PFC analysis Species & Sample ID Sample Date Tissue wt (g) Ln iem) Age/ sex s PFOS ng/g b PFDA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-4 7/24/07 Fillet 13 10 2/J 5.1 <2.50 <2.50 <2.50 <2.50 <2.50 <2.50 BG-6 7/24/07 Fillet 14 10 2/J <4.88 <2.44 <2.44 <2.44 <2.44 <2.44 <2.44 BG-7 7/24/07 Fillet 14 9.5 1/3 5.41 <2.50 <2.50 <2.50 <2.50 <2.50 <2.50 BG-8 7/24/07 Fillet 45 14 4/F <4.83 <2.42 <2.42 <2.42 <2.42 <2.42 <2.42 BG-9 7/24/07 Fillet 55 15 4/M <4.85 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 BG-comp 7/24/07 Fillet <4.88 <2.44 <2.44 <2.44 <2.44 <2.44 <2.44 Black Crappie BLC-1 7/24/07 Fillet 70 18 4/F <4.95 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BLC-2 7/24/07 Fillet 78 19 5/F <4:65 <2.33 <2.33 <2.33 <2.33 <2.33 <2.33 BLC-3 7/24/07 Fillet 81 18 4/M <5.00 <2.50 <3.22 <2.50 <2.50 <2.50 <2.50 BLC-4 7/24/07 Fillet 81 19 5/M <4.93 <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 BLC-5 7/24/07 Fillet 139 22 6/F <4.93 <2.46 <2.46 <2.46 <2.46 <2.46 <2,46 ,Worthen Pike NOP-1 7/24/07 Fillet 2000 57 4/F <5.54 <2.40 <2.40 <2.40 <2.40 <2.40 <2.40 NOP-2 7/24/07 Fillet 3700 76 6/M <4.90 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 NOP-2(dup) <4.95 1 <2.48 49 <2.48 1 <2.48 <2.48 DEQ-CFW 00001246 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 Jane Lake Fish PFC anal sis Species & Sample ID Sample Date Tissue wt (g) Ln (CM) Age/ Sex PFOS ng/g b PFDA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill 13G-4 6/07 Fillet 16 10.5 2/J 20.7 <2.46 <2.46* <2.46 <2.46 <2.46 <2.46 13G-6 6/07 Fillet 99 18 6/F 8.62# <2.50 <2.50* <2.50 <2.50 <2.50 <2.50 13G-7 6/07 Fillet 73 17.2 6/M 46.3 <2.44 <2.44* <2.44 <2.44 <2.44 <2.44 BG-7 du 36.5# <2.48 <2.48* <2.48 <2.48 <2.48 <2.48 13G-8 6/07 Fillet 18 10.6 28 12.2# <2.50 <2.50* <2.50 <2.50 <2.50 <2.50 BG-10 6/07 Fillet 95 NA 4/M <4.95 <2.48 <2.48* <2.48 <2.48 <2.48 <2.48 BG-comp6/07 Fillet 7.76 <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 Black Crappie BLC-1 6/07 Fillet 65 15 3/M 13.6# <2.40 <2.40* <2.40 <2.40 <2.40 <2.40 BLC-2 6/07 Fillet 109 18.2 5/M 26.2 <2.40 <2.40* <2.40 <2.40 <2.40 <2.40 BLC-3 6/07 Fillet 78 17.8 4/F 10.2# <2.48 <2.48* <2.48 <2.48 <2.48 <2.48 BLC-4 6/07 Fillet 63 16.5 4/M 39.7 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BLC-5 6/07 Fillet 96 19.5 5/M 34.2 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 BLC-6 6/07 Fillet 99 21 6/F 19.5 <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 BLC-7 6/07 Fillet 115 20 5/M 34.8# <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 BLC-7(du 21.9# <2.42 <2.42 <2.42 <2.42 <2.42 <2.42 BLC-8 6/07 Fillet 108 19 5/M 21.7 <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 Largemouth Bass LMB-1 6/07 Fillet 507 33 5/M 35.1 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 LMB-2 6/07 Fillet 535 36 7/M 38.1 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 LMB-3 6/07 Fillet 599 33 5/M 83.4 <3.65 <5.00 <2.49 3.32 2.82 <2.49 LMB-4 6/07 1 Fillet 1 525 36 7/M 25.8 <2.43 <2.43 <2.43 <2.43 <2.43 1 <2.43 LMB-5 6/07 Fillet 809 NA 6/F 53.6 <2.44 <2.97 <2.44 <2.44 Johanna Lake Fish PFC analysis Species & Sample ID Sample Date Tissue wt (g) Ln (CM) Age/ sex s PFOS ng/g b PFDA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-1 6/19/07 Fillet 71 16 5/M 183 <2.44 <2.44* <2.44 <2.44 <2.44 1 <2.44 13G-2 6/19/07 Fillet 56 14.5 4/M 184# <2.43 <2.43* <2.43 4.02 <2.43 <2.43 13G-3 6/19/07 Fillet 94 18 6/M 176# <2.40 <2.40* <2.40 3.85 3.86 7.34 13G-6 6/19/07 Fillet 42 13 3/M 207# <2.46 <2.46* <2.46 5.69 4.3 3.58 13G-7 6/19/07 Fillet 55 16 4/M 230 <2.49 <2.52* <2.49 3.73 <2.49 <2.49 13G-8 6/19/07 Fillet 57 15.5 4/M 292 <2.44 <2.44* <2.44 <2.44 <2.44 <2.44 BG-comp6/19/07 Fillet 250 <2.45 <2.45 <2.45 3.24 <2.45 2.65 Black rappie BLC-1 6/19/07 Fillet 89 NA 4/M 384 <2.34 <2.34 <2.34 8.92 3.94 3.31 BLC-2 6/19/07 Fillet 83 20 5/F 213 <2.44 <3.06 <2.44 4.51 <2.44 <2.44 BLC-3 6/19/07 Fillet 94 20 5/F 70.3 1 <2.48 <2.48 <2.48 2.66 <2.48 <2.48 DEQ-CFW 00001247 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 Keller Lake Fish PFC anal sis Species & Sample ID Sample Date Tissue Wt fig) Ln cm � � Age/ sex s PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-1 7/07 Fillet 50 13.5 3/M 26.2 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 13G-2 7/07 Fillet 54 14.5 4/J 64.6 <2.35 <2.35 <2.35 2.5 <2.35 <2.35 13G-5 7/07 Fillet 56 14 4/M 97.1 <2.46 <2.46 <2.46 4.88 4.31 <2.46 BG-7 7/07 Fillet 58 15 4/F 50.1 <2.46 <2.46 <2.46 4.47 2.99 <2.46 BG-10 7/07 Fillet 58 15 4/M 106 <2.49 <2.49 <2.49 4.81 3.7 1 2.73 BG-c6m 7/07 Fillet 70 <2.10 <2.10 <2.10 2.67 <2.10 1 <2.10 Nokomis Lake Fish PFC analysis Species & Sample ID Sample Date Tissue wt (g) Ln (cm) Age/ sex s PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-1 7/17/07 Fillet 25 it 2/M 10.8 <2.44 <2.44 <2.44 <2.44 <2.44 <2.44 BG-2 7/17/07 Fillet 73 16 5/M 9.21 <2.38 <2.38 <2.38 <2.38 <2.38 <2.38 BG-3 7/17/07 Fillet 58 15 4/M 13.4 <2.50 <2.50 <2.50 <2.50 <2.50 <2.50 BG-4 7/17/07 Fillet 31 11 2/M 7.71 <2.49 <3.00 <2.49 <2.49 <2.49 <2.49 13G-5 7/17/07 Fillet 55 14 4/F 6.45 <2.45 <2.45 1 <2.45 <2.45 <2.45 <2.45 BG-6 7/17/07 Fillet 49 14.5 4/F 7.23 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 BG-7 7/17/07 Fillet 69 15 4/M 11.4 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 Black Cra ie BLC-1 7/17/07 Fillet 84 18.5 5/M 11.7 <2.49 <2.49 <2.49* <2.49 <2.49 <2.49 BLC-2 7/17/07 Fillet 74 17.9 4/M 10.1 <2.46 <2.46 <2.46* <2.46 <2.46 <2.46 BLC-3 7/17/07 Fillet 72 17.5 4/F 12.3 <2.45 <2.45 <2.45* <2.45 <2.45 <2.45 BLC-4 7/17/07 Fillet 67 16.2 4/M 7.66 <2.45 <4.34 <2.45* <2.45 <2.45 <2.45 BLC-5 7/17/07 Fillet 91 19 5/M 8.18 <2.79 <2.44 12.44* <2.44 <2.44 <2.44 Peltier Lake Fish PFC anal sis Species & Sample ID Sample Date T1SSUe Wt () g Ln (cm) Age/ sex PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-1 2007 Fillet 58 15 4/M 17.6 <2.44 <2.44 <2.44* <2.44 <2.44 <2.44 BG-2 2007 Fillet 87 15.8 5/F 9.52 <2.48 <2.48 <2.48* <2.48 <2.48 <2.48 13G-3 2007 Fillet 50 13 3/F 15.1 <4.27 <2.45 <2.45* <2.45 <2.45 <2.45 BG-4 2007 Fillet 34 12.3 3/J 10.9 <2.50 <2.50 <2.50* <2.50 <2.50 <2.50 BG-5 2007 Fillet 30 11.5 2/F 7.53 <3.43 <2.50 <2.50* <2.50 <2.50 <2,50 Northern Pike NOP-1 2007 Fillet 607 45 4/J 20.7 <2.78 <2.65 1 <2.49 <2.49 <2.49 <2.49 NOP-2 2007 Fillet 658 43 4/J 14.5 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 NOP-3 2007 Fillet 764 51 4/J 8.2 <2.40 <2.40 <2.40 <2.40 <2.40 <2.40 NOP-4 2007 Fillet 883 50 4/F 13.6 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 NOP-5 2007 Fillet 1161 54 4/J 13.1 <2.48 <2.48 <2.48 1 <2.48 <2.48 <2.48 DEQ-CFW 00001248 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 Powers Lake Fish PFC analysis Species & Sample ID Sample Date Tissue wt (g) Ln (CM) Age/ sex s PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g bPb)b PFUnA ng/g PFDoA ng/g Blue ill 13G-1 7/07 Fillet 31 13 31F 48.5 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 13G-2 7/07 Fillet 66 15 4/M 45 <2.50 <2.50 <2.50 <2.50 <2.50 <2.50 13G-6 7/07 Fillet 59 16.5 6/M 44.8 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-9 7/07 Fillet 58 17 6/M 26.6 <2.40 <2.40 <2.40 <2.40 <2.40 <2.40 13G-10 7/07 Fillet 40 NA 5/F 32.7 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 BG-comp7/07 Fillet 65.3 1 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 Black Crappie BLC-1 7/07 Fillet 99 20 5/M 63.9 <2.39 <2.39 <2.39* <2.39 <2.39 <2.39 BLC-2 7/07 Fillet 100 20 5/F 59.9 <2.35 <2.35 <2.35* 2.49 <2.35 <2.35 BLC-3 7/07 Fillet 109 19 5/F 53.3 <4.84 <2.45 <2.45* 2.47 <2.45 <2.45 BLC-4 7/07 Fillet 108 20 5/F 33.6 <2.49 <4.64 <2.49 <2.49 <2.49 <2.49 BLC-5 7/07 Fillet 105 19 5/F 42.9 <2.34 <2.34 <2.34 <2.34 <2.34 <2.34 Northern Pike NOP-1 7/07 Fillet 2233 70 6/M 71.1 <2.49 <2.49 <2.49 3.08 2.64 <2.49 NOP-2 7/07 Fillet 1680 64 5/M 71.9 1 <2.50 <2.50 <2.50 3.04 <2.50 <2.50 NOP-3 7/07 Fillet NA 70 6/J 62.8 <2.48 <2.48 <2.48 2.73 2.56 <2.48 Yellow Perch YEP-comp7/07 Fillet 41.6 <236 <2.36 <2.36 <2.36 <2.36 <2.36 Prior (Upper Lake Fish PFC.anal sis Species & Sample ID Sample Date Tissue we (g) Ln (CM) Age/ sex (Yrs)b PFOS ng/g PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill 13G-2 8/23/07 Fillet 29 12 3/M 5.25 <2.46 <2.46 <2.46 <2.46 <2.46 I <2.46 BG-4 8/23/07 Fillet 27 11 2/F <4.95 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 13G-6 8/23/07 Fillet 41 13 3/F <4.81 <2.40 <2.40 <2.40 <2.40 <2.40 <2.40 BG-8 8/23/07 Fillet 48 13 3/F <5.00 <2.50 <2.50 <2.50 <2.50 <2.50 <2.50 BG-10 8/23/07 Fillet 85 16 5/M <4.98 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 BG-comp8/23/07 Fillet <4.98 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 Largemouth Bass LM13-1 8/23/07 Fillet 576 33 5/M <4.90 2.8 <2.45 <2.45* <2.45 <2.45 <2.45 LM13-2 8/23/07 Fillet 653 35 6/F 6.14 <2.49 <19.6 <2.49* 2.62 <2.49 <2.49 LMB-3 8/23/07 Fillet 503 32 5/M <4.93 <2.46 <2.46 <2.46* <2.46 <2.46 <2.46 LM13 4 8/23/07 Fillet 370 31 5/F <4.76 <2.38 <2.38 <2.38* 1 <2.38 <2.38 <2.38 LMB-5 8/23/07 Fillet 744 37 7/F <4.95 F <2.48 <2.48 <2.48* 1 <2.48 <2.48 <2.48 DEQ-CFW 00001249 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 Red Rock Lake Fish PFC analysis Species & Sample ID Sample Date Tissue Wt (g) Ln (em) Age/ sex s PFOS ng/g b PFDA ng/g b ing/g PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-6 8/17/07 Fillet 5 10 2/J 42 <2.40 <2.40 <2.40 <2.40 <2.40 1 <2.40 BG-7 8/17/07 Fillet 43 13.9 4/J 32.7 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-8 8/17/07 Fillet 61 15.2 5/M 42.2 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 BG-9 8/17/07 Fillet 130 18.2 7/M 58.3 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 BG-10 8/17/07 Fillet 57 14 4/F 29.2 <2.44 <2.44 <2.44 <2.44 <2.44 <2.44 BG-comp8/17/07 Fillet 35.2 <2.38 <3.02 <2.38 <2.38 <2.38 <2.38 Black Cra ie BLC-1 8/17/07 Fillet 81 17 4/F 79.9 <2.48 <2.48 <2.48 2.73 <2.48 <2.48 BLC-2 8/17/07 Fillet 102 20 5/F 97.1 <2.48 <2.48 <2.48 3.07 <2.48 <2.48 BLC-3 8/17/07 Fillet 149 21 6/M 153 <2.49 <2.49 <2.49 3.69 <2.49 <2.49 BLC-4 8/17/07 Fillet 283 27 8/F 115 <2.43 <2.43 <2.43 3.62 <2.43 <2.43 BLC-5 8/17/07 Fillet 122 19 5/F 68.6 1 <2.49 <2.49 <2.49 2.95 <2.49 <2.49 Lar emouth Bass LMB-1 8/17/07 Fillet 666 38 7/M 85.7 <2.76 <2.42 <2.42* 2.67 <2.42 <2.42 LMB-2 8/17/07 Fillet 527 33 51F 60.6 <2.60 <2.44 <2.44* 2.69 <2.44 <2.44 LMB-3 8/17/07 Fillet 566 33 5/J 64.5 <2.46 <2.46 <2.46* 3.22 <2.46 <2.46 LMB-4 8/17/07 Fillet 591 33 51F 57.4 <2.48 <2.48 <2.48* 1 <2.48 <2.48 1 <2.48 LMB-5 8/17/07 Fillet 716 36 7/M 1 74.4 <3.99 1 <2.33 1<2.33* 3.07 <2.33 1 <2.33 Sarah Lake Fish PFC anal sis Species & Sample ID Sample Date Tissue Wt ( 0 Ln (cm) Age/ sex rs PFOS ng/g b PFDA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-3 7/16/07 Fillet 70 17 6/F 6.12 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-4 7/16/07 Fillet 86 18 7/M 6.21# <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 BG-6 7/16/07 Fillet 74 17 6/F 7.97 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 BG-7 7/16/07 Fillet 10 7 1/J 8.51 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 BG-9 7/16/07 Fillet 15 9.2 1/1 <5.00 <2.50 <2.50 <2.50 <2.50 <2.50 <2.50 BG-comp7/16/07 Fillet <4.90 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 Black Cra ie BLC-1 7/16/07 Fillet NA 21 6/F <4.95 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BLC-2 7/16/07 Fillet NA 20 51M <5.00 <2.50 <2.50 <2.50 <2.50 <2.50 <2.50 BLC-3 7/16/07 Fillet NA 24 7/F <4.83 <2.42 <2.42 <2.42 <2.42 <2.42 <2.42 BLC-4 7/16/07 Fillet NA 20 5/M <4.76 <2.38 <9.45 <2.38 <2.38 <238 <2.38 BLC-5 7/16/07 Fillet NA 21 6/M <4.93 <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 Northern Pike NOP-1 7/16/07 Fillet 3440 70.7 6/F 7.99 <2.64 <2.45 <2.45 <2.45 <2,45 <2.45 NOP -2 7/16/07 Fillet 4052 85 7/F 10.8 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 NOP-2(dup) Fillet 14.4 1 <2.43 <2.43 <2.43 <2.43 <2.43 <2.43 NOP -3 7/16/07 Fillet 3821 85 8/F 13.6 <2.45 <2.45 <2.45 <2.45 <2,45 <2.45 NOP -4 7/16/07 Fillet 3229 81.5 7/F 7.45 <2.42 <2.42 <2.42 <2.42 <2.42 <2.42 NOP -5 7/16/07 Fillet 1757 1 66 5/M 9.6 <2.39 <2.39 <2.39 <2.39 <2.39 <2.39 DEQ-CFW 00001250 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 Silver Lake Fish PFC anal sis Age/ PFOS PFOA PFBA PFOSA PFDA PFUnA PFDoA Species & Sample we in sex Sample ID Date Tissue (g) (cm) ng/g ng/g ng/g ng/g ng/g ng/g ng/g b b b b b b b Blue ill BG-3 5/4/07 Fillet 64 16 5/M 24 <2.40 <2.40 12.40 <2.40 3.38 <2.40 BG-4 5/4/07 Fillet 38 13 3/F 19.6 <2.43 <2.43 <2.43 <2.43 2.53 <2.43 BG-5 5/4/07 Fillet 36 13 3/F 24.4# <2.42 <2.42 <2.42 <2.42 <2.42 <2.42 BG-7 5/4/07 Fillet 43 14 4/F 31.3 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-9 5/4/07 Fillet 32 13 3/F 21.4 <2.42 <2.42 <2.42 <2.42 1 <2.42 <2.42 BG-com 5/4/07 Fillet 33.7 <2.44 <2.44 <2.44 <2.44 <2.44 2.89 Black Crappie BLC-1 5/4/07 Fillet 69 16 5/F 26.6# <2.46 <2.46 <2.46 2.92 <2.46 <2.46 BLC4 5/4/07 Fillet 63 17 4/M 36.6 <2.48 <2.48 <2.48 3.39 <2.48 3.38 BLC-6 5/4/07 Fillet 67 18 5/M 45 <2.49 <2.49 <2.49 4.52 <2.49 2.89 BLC-7 5/4/07 Fillet 67 18 5/M 28.6 <2.50 <2.50 <2.50 3.88 3.11 3.05 BLC-10 5/4/07 Fillet 296 27 8/F 29.3# <2.43 <2.43 <2.43 3.77 3.08 <2.43 BLC-10(dup) 26.2 <2.44 <2.44 2.65 <2.44 <2.44 <2.44 BLC-comp5/4/07 Fillet 34.9 1 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 BLC- com du 33.5 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 Walle e WAE-1 5/4/07 Fillet 453 50 9/M 10.2 <2.40 <4.84 2.71 <2.40 <2.40 <2.40 WAE-1(dup) 10.8 <2.42 <2.42 4.2 <2.42 <2.42 <2.42 WAE-2 5/4/07 Fillet 486 52 ION 18.8 <2.44 <2.44 4.65 2.8 2.85 <2.44 WAE-3 5/4/07 Fillet 371 27 4/M 10.5 <2.49 <2.49 5.31 <2.49 <2.49 <2.49 WAE-4 5/4/07 Fillet 1200 46 8/M 26.6 <2.33 <2.33 4.82 2.99 2.49 2.96 Tanners Lake Fish PFC analysis Age/ PFOS PFOA PFBA PFOSA PFDA PFUnA PFDoA Species & Sample Tissue vvt Ln sex ng/g Sample ID Date (g) ( ) ng/g ng/g ng/g ng/g ng/g ng/g CM) s b b b b b b b Blue ill BG-1 6/12/07 Fillet 89 17 6/M 61.1# <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 BG-2 6/12/07 Fillet 32 12.5 3/F 87# <2.30 <2.30 <2.30 <2.30 <2.30 <2.30 BG-5 6/12/07 Fillet 93 18 7/F 56.6 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 BG-7 6/12/07 Fillet 89 16.5 6/F 70.4 <2.44 <2.44 <2.44 <2.44 <2.44 <2.44 BG-10 6/12/07 Fillet 12 10 25 105 1 <2.49 <2.49 <2.49 4.36 <2.49 <2.49 BG-comp6/12/07 Fillet 55 <2.44 <2,59 <2.44 <2.44 <2.44 <2.44 Black Crappie BLC-1 6/12/07 Fillet 69 18 4/M 265 <2.45 <2.45 <2.45* 6,3 <2.45 <2.45 BLC-2 6/12/07 Fillet 63 15 3/M 75.9 <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 BLC-3 6/12/07 Fillet 56 18 1 4/F 91.2 <2.38 <3.96 <2.38 2.82 <238 <2.38 BLC-4 6/12/07 Fillet 80 18.5 4/M 94.6 <2.39 <2.39 <2.39 <2.39 <2.39 <2.39 BLC-5 6/12/07 Fillet 56 17 4/F 64 <2.81 <2.40 <2.40 <2.40 <2.40 <2.40 Largemouth Bass LM13-1 1 6/12/07 Fillet 378 NA 4/F 96.5 <2.43 <3.18 <2.43 6.05 4.62 4.11 LMB-2 6/12/07 Fillet 619 NA 5/F 75.7 <2.44 <2.44 <2.44 4.86 4.42 8.37 LMB-3 6/12/07 Fillet 576 35 6/F 76.6 <2.39 <2.39 <2.39 3.56 4.73 3.4 LMB-4 6/12/07 Fillet 823 37 7/M 74.9 <2.44 <2.44 <2.44 3.44 <2.44 4.2 LMB-5 6/12/07 Fillet 1570 50 12/F 74.1 <2.56 <2.56 <2.56* 3.33 <2.56 <2.56 10 DEQ-CFW 00001251 2007 MPCA Metro Lakes PFC Fish Data — additional 20 lakes January 28, 2008 11 DEQ-CFW 00001252 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 St. Croix River Fish PFC analysis pecies & ample ID [Bluegill Sample Date Tissue w� (g) Ln (gym) Age/ sex PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b BG-3 7/19/07 Fillet 86 15.5 5/F 1 <4.83 <2.42 <2.42 <2.42 <2.42 <2.42 <2.42 13G-5 7/19/07 Fillet 83 14.5 4/F 33.1 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 13G-7 7/19/07 Fillet 122 18.5 7/M <4.95 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 13G-8 7/19/07 Fillet 76 15 4/M 22.3 <2.40 <2.40 <2.40 <2.40 <2.40 <2.40 BG-10 7/19/07 Fillet 80 15 4/M 13.1 <2.44 <2.65 <2.44 <2.44 <2.44 <2.44 BG-comp7/19/07 Fillet 12 <2.42 <2.42 <2.42 <2.42 <2.42 <2.42 BG- com du 16.4 <2.46 <2.46 <2.46 <2.46 <2.46 <2.46 Walleye WAE-1 7/19/07 Fillet 670 45 8/M 8.34 <2.45 <3.85 <2.45* <2.45 <2.45 1 <2.45 WAE-2 7/19/07 Fillet 695 44 7/M 13.8 <2.35 <2.35 <2.35* <2.35 <2.35 <2.35 WAE-3 7/19/07 Fillet 641 42 6/M 12 <2.42 <2.42 <2.42* <2.42 <2.42 <2.42 WAE-4 7/19/07 Fillet 919 48 9/M 40.2 <2.42 <2.42 <2.42* <2.42 <2.42 <2.42 WAE-5 7/19/07 Fillet 890 48 9/M 12.7 1 <2.49 <2.49 <2.49 <2.49 <2.49 <2.49 White Bass WHB-1 7/19/07 Fillet 403 34 5/F 81.8 <2.50 <2.50 <2.50 2.63 <2.50 <2.50 Smallmouth Bass SMB-1 7/19/07 Fillet 573 35 3/M 12.3 <2.29 <2.29 <2.29 <2.29 <2.29 <2.29 SMB-2 7/19/07 Fillet 730 38 4/M 29.1 <2.45 <2.45 <2.45 <2.45 <2.45 <2.45 SMB-2(dup) 31.4 <2.22 <2.22 <2.22 <2.22 <2.22 <2.22 SMB-3 7/19/07 Fillet 425 30 1/M <4.90 <2.45 <2.45 <2.45 <2.45 <2.45 <2,45 SMB-4 7/19/07 Fillet 286 29 1/M 5.44 <233 <2.33 <2.33 <2.33 <2.33 <2.33 SM13-5 7/19/07 Fillet 252 27 1/M 11.2 <2.48 <2.48 <2.48 <2.48 <2.48 <2.48 12 DEQ-CFW 00001253 2007 MPCA Metro Lakes PFC Fish Data - additional 20 lakes January 28, 2008 Mississi i River Brainerd area Fish PFC anal sis Species & Sample ID Sample Date Tissue Wt (g) Ln (cm) Age/ sex rs PFOS ng/g b PFOA ng/g b PFBA ng/g b PFOSA ng/g b PFDA ng/g b PFUnA ng/g b PFDoA ng/g b Blue ill BG-1 8/13/07 Fillet 50 14 4/J 7.38 <2.44 <2.47 <2.44* <2.44 <2.44 <2.44 BG-2 8/13/07 Fillet 59 13.3 3/1' 12.3 <2.45 <2.45 <2.45* <2.45 <2.45 <2.45 Walle e WAE-1 8/13/07 Fillet 225 31 5/J 9.42 <2.35 <2.35 <2.35* <2.35 <2.35 <2.35 WAE-2 8/13/07 Fillet 625 43 7/F 8 <2.48 <2.48 <2.48* <2.48 <2.48 <2.48 WAE-3 8/13/07 Fillet 325 32 5/1' 7,69 <2.46 <2.46 <2.46* <2.46 1 <2.46 <2.46 WAE-4 8/13/07 Fillet 1425 49 9/M 10.4 <2.42 <2.42 <2.42* <2.42 <2.42 <2.42 WAE-5 8/13/07 Fillet 1850 54 11 8,75 <2.35 <2.35 <2.35* <2.35 <2.35 <2.35 WAE-5(dup) 8.99 <2.43 <8.25 <2.43* <2.43 <2.43 <2.43 Northern Pike NOP-1 8/13/07 Fillet 301 33 38 7.15 <2.35 <2.35 <2.35* <2.35 <2.35 <2.35 NOP-2 8/13/07 Fillet 1050 51 4/1' 6.29 <2.46 <2.46 <2.46* <2.46 <2.46 <2.46 NOP-3 8/13/07 Fillet 1450 54 4/F 7.62 <2.27 <2.27 <2.27* <2.27 <2.27 <2.27 Smallmouth Bass B-1 8/13/07 Fillet 1275 44 6/F 12.5 <2.44 <3.29 <2.44* <2.44 <2.44 <2.44 B-2 8/13/07 Fillet 1300 39 4/M 12.1 <2.27 <2.27 <2.27* <2.27 <2.27 <2,27 FSMB-3 8/13/07 Fillet 900 36 3/M 11.3 <2.33 <2.33 <2.33* <2.33 <2.33 <2.33 B-4 8/13/07 Fillet 1850 41 5/M 8.82 <2.43 <2.43 <2.43* <2.43 <2.43 <2.43 SMB-5 8/13/07 Fillet 225 23 1 2/J 18 1 <2.40 <11.8 <2.92* <2.40 <2.40 <2.40 < = less than the detection limit; number following this symbol represents the detection limit * estimated values with a negative bias # estimated values with a positive bias For further information please contact Paul Hoff 651-296-7799 or Laura Solem 218-529-6254. Samples were analyzed for the 13 different perfluorochemicals listed. CAS # PFBA C-4 perfluorobutanoic acid 375-22-4 PFBS perfluorobutane sulfonate 375-73-5 PFPeA C-5 perfluoropentanoic acid 2706-90-3 PFHxA C-6 perfluorohexanoic acid 307-24-4 PFHxS C-6 perfluorohexane sulfonate 355-464 PFH A C-7 perfluoroheptanoic acid 375-85-9 PFOA C-8 perfluorooctanoic acid 335-67-1 PFOS C-8 perfluorooctane sulfonate 1763-23-1 PFOSA C-8 perfluorooctane sulfonamide 754-91-6 PFNA C-9 perfluorononanoic acid 375-95-1 PFDA C-10 perfluorodecanoic acid 335-76-2 PFUnA C-11 perfluoroundecanoic acid PFDoA C-12 perfluorododecanoic acid 307-55-1 13 DEQ-CFW 00001254