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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-! 9-02 08-.23 FROM-PACE ANALYTICAL 612-B07-B444 T-53B P 03/04 F-851 1700 Elm Street - Suite 200 Minneapolis, MN 55414

/J^ce Analytical Tai: 612-607-1700 Fay RI 2- 607-6444 / IMethod 8290 Analysis Results / client ■ ATC t Client's Sample ID ATC-0122-234M-DX2 / ■ ( Lab Sample ID 103283669 I ■■ ,1 ''■!

Filename U2O211A_O6 VLJ’..4.^ co 14 Injected By CVS Total Amount Extracted 1 m2 Matrix WIPE % Moisture NA Dilution NA Dry Weight Extracted NA Collected 01/22/2002 tCAL Date 01/25/2002 Received 01/24/2002 CCal Filenamefs) U20211 A OI & U20211 A_15 Extracted 02/06/2002 Method Blank ID BLANK-1453 Analyzed 02/11/2002 16:27 Native Cone EMPC LRL Internal ng's Percent Isomers ng/m2 ng/m2 ng/m2 Standards Added Recovery 2,3,7,8-TCDF ND ---- 0.00230 A 2,3.7,8-TCDF-13C 2.00 77 Total TCDF 0.013 ---- 0.00200 2,3,7,8-TCDD-13C 2.00 66 1,2,3,7,8-.PeCDF-13C 2.00 67 2,3,7,8-TCDD ND 0.00320 A 2,3,4,7,8-PeCDF-13C 2.00 65 Total TCDD 0.054 0.00200 1,2,3,7,8-PeCDD-13C 2.00 72 1,2,3,4,7,8-HxCDF-13C 2.00 98 1.2,3,7,8-PeCDF ND 0.01000 1.2,3,6.7,8-HXCDF-13C 2.00 78 2,3,4,7,8-P6CDF ND 0.01000 2,3,4,6,7,8-HxCDF-l3C 2.00 82 Total PeCDF ND 0.01000 1,2,3,7,8,9-HxCDF-13C 2.00 86 1,2,3,4,7,8-HXCDD-13C 2.00 86 1,2,3,7,8-PeCDD ND 0.01000 1,2,3,6.7.8-HxCDD-13C 2,00 74 Total PeCDD 0.081 0.01000 1,2,3,4,6,7,8-HpCDF-13C 2.00 70 1,2,3,4,7,a,9-HpCDF-13C 2.00 66 1,2,3,4,7,8-HxCDF ND 0.01000 1,2,3,4,6,7,8-HpCDD-13C 2.00 63 1,2,3,6,7,8-HxCDF ND 0.01000 OCDD-13C 4.00 60 2,3,4,6,7,8-HxCDF 0.014 0,01000 J 1,2,3,7.S,9-HxCDF ND 0.01000 1,2,3,4-TCDD-13C 2.00 NA Total HxCDF 0.029 0.01000 J 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 74 1,2,3,6,7,8-HxCDD 0.012 0.01000 J 1,2,3,7,8,9-HxCDD ND 0.01000 Total HxCDD 0.380 0.01000 1.2.3.4.6,7,8-HpCDF 0.028 0.01000 J Total 2,3.7,8-TCDD 1,2,3,4,7,8.9.HpCDF ND 0.01000 Equivalence: 0.0033 ng/m2 Total HpCDF 0.028 0.01000 J (Using ITE Factors) 1,2,3,4,6,7,8-HpCDD 0.039 0.01000 J Total HpCDD 0.077 0.01000 J OCDF ND 0,02000 ! oz OCDD 0.086 0.02000 BJ LRL = Lower Reporting Limit Cone = Concentration (Totals Include 2,3,7,8-substituted Isomers) I = Interference EMPC = Estimated Maximum Possible Concentration E > PCDE interference A = Detection Limit based on signal-to-nolse 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.... 02-1053339

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_003444485 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000177814

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NYC-WTC_000177814Source: NYC Law Department, mirrored locally

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