PCDD/PCDF wipe sample results, PS 234M, Dec 2001

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Method 8290 Blank Analysis Results Client - ATC

Lab Sample ID BLANK-1364 Matrix WIPE Filename F11214B_05 Dilution NA Total Amount Extracted 1 m2 Extracted 12/11/2001 ICAL Date 11/19/2001 Analyzed 12/15/2001 01:26 CCal Filename(s) F11214A_14&F11214B_15 Injected By BAL

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 70 Total TCDF ND 0.00200 2,3,7,8-TCDD-13C 2.00 76 1,2,3,7,8-PeCDF-13C 2.00 79 2,3,7,8-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13C 2.00 79 Total TCDD 0.0021 0.00200 J 1,2,3,7,8-PeCDD-13C 2.00 87 1,2,3,4,7.8-HxCDF-13C 2.00 95 1,2,3,7.8-PeCDF ND 0.01000 1,2,3,6,7,8-HxCDF-13C 2.00 96 2,3,4.7.8-PeCDF ND 0.01000 2,3,4,6,7,8-HxCDF-13C 2.00 93 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 80 1,2,3,4,7,8-HxCDD-13C 2.00 74 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6,7,8-HxCDD-13C 2.00 97 Total PeCDD ND 0.01000 1,2,3,4,6,7,8-HpCDF-13C 2.00 78 1,2,3,4,7,8,9-HpCDF-13C 2.00 62 1,2.3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 66 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 62 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 A 0.01000 2,3,7,8-TCDD-37CI4 0.20 83 1,2,3,6.7.8-HxCDD ND 0.01000 1,2,3.7,8,9-HxCDD 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; 0.00 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 OCDD ND 0.02000

Cone = Concentration (Totals include 2,3,7,8-substituted 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-to-noise measurement ’ = See Discussion

Report No.... 01-1051925

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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