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NYC-WTC_000227084

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000227084–000227090
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NYC 9/11 Public Portal Document Pace Analytical Services, Inc.

\^^^^eAi]alvtical TM 1700 Elm Street - Suite 200 Minneapolis, MN 55414

Tel; 612-607-1700 Fax: 612- 607-6444 Method 8290 Laboratory Control Spike Results Client - ATC

Lab Sample ID SPlKE-DUP-1386 Filename U20425A_05 Matrix WIPE Total Amount Extracted 1 m2 Dilution NA ICAL Date 04/16/2002 Extracted 04/18/2002 CCal Filename(s) U20425A_01 & U20425A_16 Analyzed 04/25/2002 00:44 Method Blank ID BLANK-1579 Injected By BAL

Native Qs Qm % internal! ng's Percent isomers (ng) (ng) Rec, Standards Added Recovery 2.3,7,8-TCDF 0.20 0.20 98 2,3,7,8-TCDF-13C 2.00 70 2,3,7,8-TCDD-13C 2.00 75 1,2,3,7,8-PeCDF-13C 2.00 71 2,3,7,8-TCDD 0.20 0.19 96 2,3,4,7,8-PeCDF-13C 2.00 70 1,2,3,7,8-PeCDD-13C 2.00 76 1,2,3,4,7.8-HxCDF-13C 2.00 96 1,2,3,7,8-PeCDF 1.00 0.95 95 1,2,3,6,7,8-HxCDF-13C 2.00 89 2,3,4.7,8-PeCDF 1.00 0.96 96 2,3,4,6,7,8-HxCDF-13C 2.00 91 1,2,3,7,8,9-HxCDF-13C 2.00 94 1,2,3,4,7,8-HxCDD-13C 2.00 98 1,2,3.7,8-PeCDD 1.00 0.99 99 1,2,3,6,7,8-HxCDD-13C 2.00 90 1,2.3,4.6,7.8-HpCDF-13C 2.00 92 1,2,3,4,7,8.9-HpCDF-13C 2.00 103 1,2,3,4,7,8-HxCDF 1.00 0.93 93 1,2.3,4,6,7,8-HpCDD-13C 2.00 100 1,2,3,6.7,8-HxCDF 1.00 0.98 98 OCDD-13C 4.00 105 2,3.4,6,7.8-HxCDF 1.00 0.94 94 1,2.3,7,8,9-HxCDF 1.00 0.92 92 1,2,3,4-TCDD-13C 2.00 NA 1,2,3,7.8,9-HXCDD-13C 2.00 NA 1,2,3,4.7,8-HxCDD 1.00 0.97 97 2,3,7,8-TCDD-37CI4 0.20 83 1,2,3,6,7,8-HxCDD 1.00 0.96 96 1,2.3,7,8,9-HxCDD 1.00 0.98 98

1.2,3,4.6,7,8-HpCDF 1.00 0.98 98 1,2.3,4,7,8,9-HpCDF 1.00 0.97 97

1,2,3,4,6,7,8-HpCDD 1.00 0.94 94

J OCDF OCDD 2.00 2.00 2.06 1.90 103 95

Qs = Quantity Spiked Qm = Quantity Measured Rec. = Recovery (Expressed as Percent) P = Recovery outside of target range X = Background subtracted value I Nn = Value obtained from additional analysis I NA = Not Applicable * = See Discussion Report No.... 02-1055822

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

CITY_21MC100_002898165

NYC-WTC_000227089

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NYC-WTC_000227089Source: NYC Law Department, mirrored locally

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