Lab report for wipe sample analysis, Nov 2001

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Pace Analytical Sen/ices, Inc. 1700 Elm Street - Suite 200 Minneapolis, MN 55414

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

/ Client - ATC Client's Sample ID ATC-1120-STY-DX2 Lab Sample ID 103162806 Filename F11201A_16 Injected By BAL Total Amount Extracted 1 Sample Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 11/20/2001 ICAL Date 11/19/2001 Received 11/21/2001 CCal Filename(s) Fl 1201 A_04 & Fl 1201 A_20 Extracted 11/27/2001 Method Blank ID BLANK-1344 Analyzed 12/02/2001 05:56 Native Cone EMPC LRL Internal ng's Percent isomers ng/S ng/S ng/S Standards Added Recovery

2,3,7,8-TCDF ND 0.00200 2,3,7,8-TCDF-13C 2.00 52 Total TCDF ND 0.00200 2,3,7,8-TCDD-13C 2.00 54 1,2,3,7,8-PeCDF-13C 2.00 52 2,3,7,8-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13C 2.00 51 Total TCDD 0.016 0.00200 1,2,3,7,8-PeCDD-13C 2.00 57 1,2,3,4,7,8-HxCDF-13C 2.00 88 1,2,3,7,8-PeCDF ND 0.01000 1,2,3,6,7,8-HxCDF-13C 2.00 81 2,3,4,7,8-PeCDF ND 0.01000 2,3,4,6,7.8-HxCDF-13C 2.00 80 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 77 1,2,3,4,7.8-HxCDD-13C 2.00 64 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 81 Total PeCDD ND 0.01000 1,2,3,4,6,7.8-HpCDF-13C 2.00 63 1,2,3,4,7,8,9-HpCDF-13C 2.00 51 1,2,3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 55 1,2,3.6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 40 2,3,4,6,7,8-HxCDF ND 0.01000 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 0.01000 2,3,7,8-TCDD-37CI4 0.20 56 1,2,3.6,7,8-HxCDD ND 0.01000 1,2,3,7,8,9-HxCDD ND 0.01000 ^3 Total HxCDD 0.038 0.01000 J

1.2,3,4,6,7,8-HpCDF ND 0.01000 Total 2,3,7.8-TCDD 1,2,3,4,7,8,9-HpCDF ND 0.01000 Equivalence: 0.00044 ng/S Total HpCDF ND 0.01000 (Using ITE Factors)

1,2,3,4,6,7.8-HpCDD 0.024 0.01000 BJ Total HpCDD 0.037 0.01000 BJ

OCDF 0.021 0.02000 J OCDD 0.180 0.02000 B LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7,S-substitijted isomers) I = Interference EMPC = Estimated Maximum Possible Concentration E = PCDE Interference A = Detection Limit based on signal-to-noise measurement S = Saturated signal J = Concentration 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.... 01-1051376

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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