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Method 8290 analysis results for wipe samples, Feb 2002

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Pace Analytical report detailing Method 8290 analysis results for volatile organic compounds in a wipe sample collected February 2002.

NYC-WTC_000175044
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NYC 9/11 Public Portal Document

FEB-1S-02 11:1,2 FROM-PACE ANALYTICAL S12-B07-6444 T-543 P. 03/05 F-B66 1700 Elm Street-Suite 200 ,'^^ceAnalytical' Minneapolis, MN 55414

Tel: 612-607-1700 Fax; 612- 607-6444 Method 8290 Analysis Results Client - ATC MT-, ITO*. f'-A Client's Sample ID Lab Sample ID AT0-0123-STY-DX2 103286282 it Filename U20212B_09 Injected By BAL Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collectfid 01/23/2002 ICAL Date 01/25/2002 Received 01/25/2002 CCai Filename(s) U20212A_11 & U20212B_15 Extracted 02/08/2002 Method Blank ID BLANK’1457 An^yzed 02/13/2002 06:11 Native Cone EMPC LRL internal ng's Percent isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2,3.7.8-TCDF ND -- 0.0029 A 2,3.7,8-TCDF-13C 2.00 93 Total TCDF ND 0.0020 2,3.7,8-TCDD-13C 2.00 96 1,2.3.7,8-PeCDF-13C 2,00 101 2,3,7,8-TCDD ND 0.0032 A 2,3,4,7,8-PeGDF-13C 2,00 98 Total TCDD ND 0,0020 1,2,3,7.8-PeCDD-13C 2.00 118 1,2,3,4,7,8-HxCDF-13C 2.00 122 1,2,3,7.8-PeCDF ND 0.0100 1.2.3.6.7,8-HxCDF-13C 2.00 103 2,3.4.7,8-PeCDF ND 0.0100 2,3,4.6,7,B-HxCDF-13C 2.D0 104 Total PsCDF ND 0.0100 1,2,3.7,8.9'HxCDF-13C 2.00 99 1,2.3.4,7,8-HxCDD-13C 2.00 136 P 1,2,3,7,8-PeCDD ND 0,0100 1,2,3,6.7,8-HxCDD-13C 2.00 116 Total PeCDD ND 0.0100 1,2,3.4,6,7,8-HpCDF-13C 2.00 117 1,2.3.4.7,8.9-HpCDF-13C 2.00 92 1,2,3,4,7,8-HxCDF ND 0.0100 1,2,3,4,6,7,8-HpCDD-13C 2.00 106 1,2.3.6.7,8-HxCDF ND 0.0100 OCDD-13C 4.00 65 2,3,4,6,7,8-HxGDF ND 0.0100 1.2,3,7.8.9-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-37Cl4 0.20 73 1,2,3,6,7,8-HxCDD ND 0.0100 1,2,3,7,S,9-HxCDD ND 0.0100 Total HxCDD ND 0.0100 1.2.3,4,6.7.8-HpCDF ND 0.0100 Total 2,3,7,8-TCDD 1,2,3,4,7,8.9-HpCDF ND 0.0100 Equivalence: 0.000044 ng/m2 Total HpCDF ND 0.0100 (Using !TE Factors) 1,2.3,4,6,7.8-HpCDD ND 0.0100 Total HpCDD ND 0.0100 OCDF ND 0.0200 OCDD 0.044 0.0200 J LRL = Lower Reporting Limit Cone = Concentration (Totals indude 2,3,7,8-substituted isomers) I s Interference EMPC = Estimated Maximum Possible Concentration E = PCOE Interference A = Detection Limit based on slgnal-to-notee 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.... 02-1053443

REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, Inc.

CONFIDENTIAL, CITY_21MC100_003429560 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175044

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