NYC-WTC_000219421

NYC 9/11 Public Portal Document

FEB-1S-02 12:52 FROM-PACE ANALYTICAL 812-B07-6444 T-547 P.02/05 F-87B 1700 FIm Street - Suite 200 Minneapolis, MN 55414

^ceAnalytical'_________ Method 8290 Analysis Results Tel: 612-607-1700 Fax: 612- 607-6444

Client - ATC Client's Sample ID ATC-0125-89M-DX1 Lab Sample ID 103292397 Filename U20213A_02 Injected By CVS Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 01/25/2002 ICAL Date 01/25/2002 Received 01/29/2002 CCal Filename(s) U20212B_15 & U20213A_12 Extracted 02/08/2002 Method Blank ID BLANK-1457 Analyzed 02/13/2002 13:29 Native Cone EMPC LRL Internal ng's Percent Isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery

2,3.7,0-TCDF ND ---- 0.0035 A 2,3,7,8-TCDF-13C 2.00 62 Total TCDF ND ---- 0.0020 2.3,7,8-TCDD-13C 2.00 69 1,2.3,7,a-PeCDF-13C 2.00 63 2,3,7,8-TCDD ND 0.0095 A 2,3,4,7,8-PeCDF-13C 2.00 61 Total TCDD 0.024 0.0020 1,2,3.7.8-PoCDD-13C 2.00 78 1.2,3,4.7,8-HxCDF-13C 2.00 102 1.2,3.7,B-P©CDF ND 0.0100 1,2,3,6,7,8-HxCDF-13C 2.00 77 2,3,4,7,8-PeCDF ND 0.0100 2,3.4,6.7,8-HxCDF-13C 2.00 74 Total PeCDP ND 0.0100 1,2,3,7,8,9-HxCDF-13C 2.00 73 1,2,3,4,7.8-HxCDD-13C 2.00 114 1,2,3,7,8-PeCDD ND 0.0100 1,2,3,6,7,8-HxCDD-13C 2.00 89 Total PeCDD 0.011 0.0100 J 1.2,3,4,6,7,8-HpCDF-13C 2.00 99 1,2,3.4,7.8,9-HpCDF-13C 2.00 87 1,2,3,4.7,8-HxCDF ND 0.0100 1,2,3,4,6,7,8-HpCDD-l3C 2.00 92 1,2,3,6,7,8-HxCDF ND 0.0100 OCDD-13C 4.00 77 2,3,4,6,7,8-MxCOF ND 0.0100 1,2,3,7,S,9-HxCDF ND 0.0100 1.2.3,4-TCDD-13C 2.00 NA Total HxCDF ND 0.0100 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 76 1,2,3,e,7,8-HxCDD ND 0.0100 1,2,3,7.8,9-HxCDD ND 0.0100 Total HxCDD 0.014 0.0100 J 1,2,3,4,6,7,8-HpCDF ND 0.0100 Total 2,3,7.8-TCDD 1,2,3,4,7,8,9-HpODF NO 0.0100 Equivalence: 0.00024 ng/m2 Total HpCDF ND 0.0100 (Using ITE Factors)

1.2.3.4.6,7,8-HpCDD 0.016 0.0100 J Total HpCDD 0.016 0.0100 J OCDF NO 0.0200 OCDD 0.087 0.0200 J LRL = Lower Reporting Limit Cone « Concentration (Totals include 2.3.7,8-sutatltuted isomers) t s Interference EMFC B Eelimatad Maximum Possible Concentration E = PCDE Interfarence A a Detection Limit based on sional-to-noiss measurement S = Saturated signal J z Concentration detected Is below the calibration range ND s Not Detected B a Less then 10 times higher then method Monk level NA s Not Applicable P a Recovery outside of target range NC z Not Calculated Nn > Value obtained from additional anelyeie ■ •= See Discussion Report No.... 02-1053530

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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NYC-WTC_000219422