Lab report for wipe sample analysis, Nov 2001

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Pace Analytical Services, Inc. 1700 Elm Street • Suite 200 Minneapolis, MN 55414

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Method 8290 Blank Analysis Results Client - ATC

Lab Sample ID BLANK-1344 Matrix WIPE Filename Fl 1201 AJO Dilution NA Total Amount Extracted 1 Sample Extracted 11/27/2001 ICAL Date 11/19/2001 Analyzed 12/02/2001 00:59 CCal Filename(s) F11201A_04 & F11201A_20 Injected By BAL

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 57 Total TCDF ND ----- 0.00200 2,3,7,8-TCDD-13C 2.00 57 1,2,3,7,8-PeCDF-13C 2.00 54 2,3,7,8-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13C 2.00 55 Total TCDD ND 0.00200 1,2,3,7,8-PeCDD-13C 2.00 61 1,2,3,4,7,8-HxCDF-13C 2.00 80 1,2,3,7,8-PeCDF ND 0.01000 1,2,3,6,7,8-HxCDF-13C 2.00 75 7;^ 2,3,4,7,8-PeCDF ND 0.01000 2,3,4,6,7,8-HxCDF-13C 2.00 75 7:1 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 65 1,2,3,4,7,8-HxCDD-13C 2.00 77 1,2,3,7,8-PeCDD ND 0.01000 1,2,3.6,7,8-HxCDD-13C 2.00 76 Total PeCDD ND 0.01000 1,2,3,4,6,7,8-HpCDF-13C 2.00 66 <J 1,2,3,4,7,8,9-HpCDF-13C 2.00 54 1,2,3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 51 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 35 P 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 60 • 1,2,3,6,7,8-HxCDD ND 0.01000 1,2,3,7,8,9-HxGDD ND 0.01000 Total HxCDD ND 0.01000 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: 0.00027 ng/S Total HpCDF ND 0.01000 (Using ITE Factors)

1,2,3,4,6,7,8-HpCDD 0.016 0.01000 J Total HpCDD 0.038 0.01000 J

I OCDF OCDD ND 0.120 0.02000 0.02000

Cone = Concentration (Totals include 2,3,7,B-subBtituted isomers). I = Interference EMPC = Estimated Maximum Possible Concentration E = PCDE Interference LRL = Lower Reporting Limit ND = Not Detected J = Concentration detected is below the calibration range NA = Not Applicable P = Recovery outside of target range NC = Not Calculated A = Detection Limit based on signal-t>noise measurement ’ = 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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