PCDD/PCDF wipe sample results, PS 234M, Feb 2002

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FEB-19-02 14:26 FROM-PACE ANALYTICAL 612-607-6444 T-556 P.05/06 F-891 1700 Elm Street ■ Suite 200 Minneapolis, MN S5414

/ypaceAnaIvticar_________ / Method 8290 Analysis Results Tel: 612-607-1700

Client - ATC ( Client's Sample ID AIC-0129-234MDX2 Lab Sample ID 103297016 Filename U2O214A_O7 Injected By CVS Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 01/29/2002 ICAL Date 01/25/2002 Received 01/31/2002 CCal Filename s) U20214A_02 & U2Q214A_16 Extracted 02/11/2002 Method Blank ID BLANK-1458 Analyzed 02/14/2002 16:54 Native Cone EMPC LRL Internal ng*s Percent Isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2.3.7,8-TCDF ND ----- 0,0068 A 2,3,7,8-TCDF-l3C 2,00 68 Total TCDF 0.017 ---- 0.0020 2,3,7,8-TCDD-13C 2,00 81 1,2,3,7,8-PeCDF-l3C 2.00 69 2,3,7.8-TCDD ND 0.0065 A 2.3,4,7,8-P6CDF-13C 2.00 67 Total TCDD 0.045 0.0020 1,2,3,7,8-PeCDD-13C 2.00 90 1,2,3,4,7,8-HxCDF-13C 2.00 82 1,2,3,7.8-PeCDF ND 0.0100 1,2,3,6,7,8-HxCDF-13C 2.00 72 2,3,4,7,8-PeCDF ND 0.0100 2,3,4.6.7.8-HxCDF-13C 2.00 78 Total PeCDF 0.010 0.0100 J 1,2,3,7,8,9-HxCDF-13C 2.00 81 1,2,3.4,7,8-HxCDD-13C 2.00 105 1.2.3,7,8-PeCDD ND 0.0100 1,2,3,6,7,8-HxCDD-13C 2.00 88 Total PeCDD 0.076 0.0100 1,2,3.4,6.7,8-HpCDF-13C 2.00 108 1,2,3.4,7,8,9-HpCDF-13C 2.00 100 1,2,3.4,7.8-MxCDF 0.010 0.0100 J 1.2,3,4,6,7,8-HpCDD-13C 2.00 98 1,2,3,6,7,8-HxCDF ND 0.0100 OCDD-13C 4.00 90 2,3,4.6.7,8-HxCDF 0.012 0.0100 J 1,2,3,7.8,9-HxCDF ND 0.0100 1.2,3,4-TCDD-13C 2.00 NA Total HxCDF 0.037 0.0100 J 1.2.3,7,8,9-HxCDD-13C 2.00 NA

1,2,3,4,7.8-HxCDD ND 0.0100 2,3.7.8-TCDD-37CI4 0.20 88 1.2,3,6,7.8-HxCDD ND 0.0100 1,2,3.7,8,9-HxCDD ND 0.0100 Total HxCDD 0.300 0.0100

1,2,3,4,6.7,8-HpCDF 0.022 0,0100 J Total 2,3,7,8-TCDD 1,2,3,4,7.8,9-HpCDF ND 0.0100 Equivalence: 0,0029 ng/m2 Total HpCDF 0.037 0.0100 J (Using ITE Factors)

1,2,3,4,6,7,8-HpCDD 0.043 0.0100 J Total HpCDD 0.069 0.0100 J

OCDF ND 0.0200 OCDD 0.088 0.0200 J LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7.8-6ub6tltuted Isomers) I = Interference EM PC = Estimated Maximum Possible Concentration E = PCDE Interference A = Detection Limit based on signal-to-noiso measurement S = Saturated signal J = Concentration detected Is below the calibration rang© ND = Not Detected B = Less than 10 times higher than method blank level NA s Not Applicable P = Recovery outside of target range NC = Not Calculated Nn = Value obtained from additional analysis ■ = See Discussion Report No... 02-1053614

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

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