Appendix B laboratory analysis report, confidential

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Lab Sample ID BLANK-1616 Matrix WIPE Filename U20513A_05 Dilution NA Total Amount Extracted 1 m2 Extracted 05/10/2002 ICAL Date 04/16/2002 Analyzed 05/13/2002 15:34 CCal Filename (s) U20513A_02 & U20513A_17 Injected By CMP

Native Cone EMPC LRL Internal ng's Percent Isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2.3,7.8-TCDF- ND 0.077 A 2,3,7,8-TCDF-13C 2.00 2P Total TCDF ND 0.0020 2,3,7.8-TCDD-13C 2.00 1 P 1,2,3,7,8-PeCDF-13C 2.00 1P ' J 2,3,7,8-TCDD ND 0.160 A 2.3,4,7,8-PeCDF-13C 2.00 2P Total TCDD ND 0.0020 1,2,3,7.8-PeCDD-13C 2.00 1 P 1,2,3,4,7,8-HxCDF-13C 2.00 2P 1,2,3,7,8-PeCDF ND 0.099 A 1,2,3,6,7,8-HxCDF-13C 2.00 2P 2,3,4,7,8-PeCDF ND 0.074 A 2.3,4,6.7,8-HxCDF-13C 2.00 2P Total PeCDF ND 0.010 1,2,3,7,8,9-HxCDF-13C 2.00 2P 1,2,3,4.7,8-HxCDD-13C 2.00 2P 1,2,3,7,8-PeCDD ND 0.120 A 1,2,3.6.7,8-HXCDD-13C 2.00 2 IP , 1 Total PeCDD ND 0.010 1,2,3.4,6,7,8-HpCDF-13C 2.00 2P i 1,2,3,4,7,8-HxCDF ND 0.100 A 1,2,3,4,7,8,9-HpCDF-13C 1,2,3,4,6,7,8-HpCDD-13C 2.00 2.00 2P 4P 1,2,3,6,7,8-HxCDF ND 0.088 A OCDD-13C 4.00 21P 2,3,4,6,7.8-HxCDF ND 0.083 A 1,2,3,7,8,9-HxCDF ND 0.100 A 1,2,3,4-TCDD-13C 2.00 NA Total HxCDF ND 0.010 1,2,3,7,8,9-HxCDD-13C 2.00 NA 1,2,3,4,7,8-HxCDD ND 0.098 A 2.3,7,8-TCDD-37CI4 0.20 1 J 1,2,3,6,7,8-HxCDD 1,2,3,7,8,9-HxCDD ND ND 0.082 A 0.110 A Total HxCDD ND 0.010 1I 1,2,3,4,6,7.8-HpCDF ND 0.110 A Total 2,3,7,8-TCDD 1,2,3,4,7,8,9-HpCDF ND 0.086 A Equivalence: 0.00 ng/m2 Total HpCDF ND 0.010 (Using ITE Factors) 1,2,3,4,6,7,8-HpCDD ND 0.076 A Total HpCDD ND 0.010 OCDF ND 0.230 A OCDD ND 0.170 A

Cone = Concentration (Totalsi include 2.3,7.8-substituted isomers). 1 = Interference IxMPC = Estimated Maximum Possible Concentration E = PCDE Interference LRL = Lower Reporting Limit NO = Not Detected .1 = Concentration detected is below the calibration range NA = Not Applicable I’ = Recovery outside of target range NC = Not Calculated = Detection Limit based on signal-to-noise measurement * = See Discussion

Report No.... 02-1057195

i I 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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