Method 8290 analysis results for wipe samples, Feb 2002

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FEB-21-02 15:43 FROM-PACE ANALYTICAL 612-507-6444 T-627 P.02/05 F-046 1700 Bril Street -Suite^200 Minneapolis, MN 55414

^ace Analytical__________ Method 8290 Analysis Results Tel; 612-607-1700 Fax: 612- 607-6444

Client - ATC rT.'-., 1’1. IT-:.- ’

f f .i Client's Sample ID Lab Sample ID ATC-0130-STY-DX1 103302733 If Filename F2O219B_O6 Injected By BAL Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 01/30/2002 ICAL Date 01/24/2002 Received 02/04/2002 CCal Filename(s) F20219B_01 &F20219B_16 Extracted 02/15/2002 Method Blank ID BLANK-1468 Analyzed 02/20/2002 00:12 Native Cone EMPC LRL Internal ng's Percent Isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2,3,7,8-TCDF ND — 0,00200 2.3,7,8-TCDF-13C 2.00 66 Total TCDF ND ---- 0.00200 2,3,7,8-TCDD-13C 2.00 65 1.2.3.7.8-PeCDF-13C 2.00 73 2.3,7.S-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13C 2.00 71 Total TCDD ND 0.00200 1,2,3,7,8-PeCDD-13C 2.00 65 1,2.3.4,7,8-HxCDF-13C 2.00 102 1,2,3,7.8-PeCDF ND 0.01000 1,2,3,6,7,8-HxCDF-13C 2.00 83 2,3,4,7,8-PeCDF ND 0,01000 2.3,4,6,7,8-HxCDF-13C 2.00 89 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2,00 89 1,2.3.4,7.8’HxCDD-13C 2.00 94 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 86 Total PeCDD ND 0.01000 1,2.3.4.6.7.8-HpCDF13C 2.00 80 1,2.3,4,7,8,9-HpCDF-13C 2.00 71 1.2,3,4.7,8-HxCDF ND 0.01000 1.2.3,4.6,7,8-HpCDD-13C 2.00 75 1,2,3,6.7,8-HxCDF ND 0.01000 OCDD-13C 4.00 60 2.3,4.6,7,8-HxCDF ND 0.0100O 1,2,3,7,8,9-HxCDF ND 0.01000 1,2.3,4-TCDD-13C 2.00 NA Total HxCDF ND 0.01000 1,2,3,7.8,9-HxCDD-13C 2.00 NA 1,2,3,4,7.8-HxCDD ND 0.01 ooo 2,3,7,8-TCDD-37CM 0.20 66 1,2,3,6.7,8-HxCDD ND 0.01000 1,2,3,7,8,9-HxCDD ND 0.01000 Total HxCDD 0.014 0.01000 J 1,2,3,4,6,7,8-HpCDF ND 0.01000 Total 2,3,7,S-TCDD 1,2,3,4,7,8,9-HpCDF ND 0.01000 Equivalence: 0.000022 ng/m2 Total HpCDF ND 0.01000 (Using ITE Factors) 1.2,3,4,6,7,8-HpCDD ND 0.01000 Total HpCDD ND 0.01000 OCDF ND 0.02000 1 /oQV OCDD 0.022 0.02000 BJ URL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7,8-substltijtBd isomers) I = Interference EMPC = Estimated Maximum Possible Concentration E = PCDE Interference A = Detection Limit based on signal-to-nolse measurement S = Saturated signal J = Concentratian detected is below the calibration range ND = Not Detected B = Less than 10 times higher than method blank level NA = Not Applicable p = Recovery outside of target range NC = Not Calculated Nn = value obtained from additional analysis ' = See Discussion Report No....02-1053714

REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, Inc.

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