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PCDD/PCDF wipe sample results, PS 234M, Feb 2002

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Laboratory report presenting analysis results for polychlorinated dibenzo-p-dioxins and dibenzofurans from a wipe sample collected at PS 234M.

NYC-WTC_000177813–000177815
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NYC 9/11 Public Portal Document

FEB-19-02 08:23 FROM-PACE ANALYTICAL G12-607-B444 T-536 P.04/04 F-851 1700 Elrn Street - Suite 200 Minneapolis, MN 55414

/.^ceAnalytical' Tel: 612-607-1700

I r Client's Sample ID Method 8290 Analysis Results

ATO-0122-234M-DX3 Client - ATC

Lab Sample ID 103283677 Filename U20212A_03 Injected By CVS Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 01/22/2002 ICAL Date 01/25/2002 Received 01/24/2002 CCal Filename(s) U20212A_01 & U2O212A_1O Extracted 02/06/2002 Method Blank ID BLANK-1453 Analyzed 02/12/2002 1 5;01 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 72 Total TCDF ND ---- 0.00200 2,3,7,8-TCDD-13C 2.00 68 1,2,3.7.8-PeCDF-13C 2.00 61 2.3,7,8-TCDD ND 0.00200 2,3,4,7,8-PeCDF-13C 2.00 63 Total TCDD ND 0.00200 1,2,3,7,8-PeCDD-13C 2.00 70 1,2,3,4,7,8-HxCDF-13C 2.00 73 1.2.3,7,8-PeCDF ND 0-01000 1,2,3,6,7,8-HxCDF-13C 2.00 73 2,3,4,7,8-PeCDF ND 0.01000 2,3,4,6.7,8-HxCDF-13C 2.00 75 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2,00 76 1,2,3,4,7,8-HxCDD-13C 2,00 103 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6.7.8-HxCDD-13C 2.00 69 Total PeCDD ND 0.01000 1,2,3,4,6,7,8-HpCDF-13C 2,00 89 1.2.3,4,7,8.9-HpCDF-13C 2.00 99 1,2,3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7.8-HpCDD-13C 2.00 104 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 93 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 68 1,2,3,6,7,8-HxCDD ND 0.01000 1,2,3.7,8,9-HxCDD ND 0.01000 Total HxCDD 0.012 0.01000 J 1,2,3,4.6,7,8-HpCDF ND 0.01000 Total 2,3,7,8-TCDD 1,2,3,4,7,a.9-HpCDF ND 0.01000 Equivalence: 0.000073 ng/m2 Total HpCDF ND 0.01000 (Using ITE Factors) 1,2,3.4,6,7,8-HpCDD ---- 0.015 0.01000 I Total HpCDD 0.037 —- 0.01000 J OCDF ND 0.02000 OCDD 0.073 0.02000 BJ LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7,8-substituted isomers) I = IntBilerence EMPC = Estimated Maximum Possible Concentration E = PCDE Inierfarance A = Detection Limit based on signeLto-nois© 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.... 02-1053389

REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except In lull, without the written consent Of Pace Analytical Services, Inc,

CONFIDENTIAL, CITY_21MC100_003444486 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000177815

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NYC-WTC_000177815Source: NYC Law Department, mirrored locally

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