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NYC-WTC_000202221

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000202221–000202227
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NYC 9/11 Public Portal Document

Pace AnaiytieaS Services, Inc. 1700 Elm Street - Suite 200 Minneapolis, MN 55414 n ' TM

^ace Analytical Method 8290 Laboratory Control Spike Results Tel: 612-607-1700 Fax: 612- 607-64A4

Client - ATC

Lab Sample ID . SPIKE-DUP-1405 Filename U205063_01 Matrix WIPE Total Amount Extracted 1 m2 Dilution NA ICAL Date 04/16/2002 Extracted 04/30/2002 CCal Filename(s) U20506A_15 & U20506B_15 Analyzed 05/06/2002 21:42 Method Blank ID BLANK-1606 Injected By CVS

Native Qs Qm % Internal ng's Percent Isomers (ng) (ng) Reo... Standards Added Recovery

I 2,3,7,8-TCDF 0.20 0.21 104 2,3,7,8-TCDF-13C / 2.00 2,3,7,8-TCDD-13C 2.00 1,2,3,7,8-PeCDF-13C 2.00 2,37,8-TCDD 0.20 0.20 98 2,3,4,7:8-PeCDF-13C 2.00 1,2.3,7.8-PeCDD-13e 2.00 82

iI! 1,2,3,4,7,8-HxCDF-13C 2.00 1,2,3,7,8-PeCDF 1.00 1.05 105 1,2,3,6,7,8-HxCDF-13C 2.00 1 2,3,4,7,8-PeCDF 1.00 1.04 : 104 2,3,4,6,7,8-HxCDF-13C 2.00, 1.2,3,7,8.9-HxCDF-13C 2.00 1,2,3,4,7;8-HxCDD-13C 2.00 , 1,2.3,7.8-PeCDD 1.00 0.96 96 1,2,3,6,7,8-HxCDD-13C 2.00 1,2,3,4,6,7,8-HpCDF-13C 2.00 99, .1,2,3,4,7.8-HxCDF 1,2,3,6,7,8-HxGDF 1 ? 2,3,4,6,7,8-HxCDF 1.2,3,7.8,9-HxeDF: 1.00 1.00 1.00 1.00 1.01 1.07 1-01: 0.97 101 _ : 107 1,2,3,4,7,8,9-HpCDF-13C 1,2,3,4.6,7,8-HpeDD-13G OCDD-13C

1,2,3,4-TCDD-13C X 2.00

4.00

2.00 I: 1,2,3,7,3,9-HxCDD-13C 2.00 WAL 1,2,3,4,7,8-HxCDD 1.00 1.00 100 2,3.7,8-TCDD-37CI4 0.20 ■ 9A- < 1,2,3,6,7,8-HxCDD - 1.00 1.02 102 1,2,3,7,8,9-HxCDD i 1.00 1.06 106

1.2,3,4,6,7,8-HpCDF < 1 3 .00 ' 0.96 96 1,2,3,4,7.8,9-HpCDF 1.00 0.94 94

T,2,3,4,6,7,8-HpGDD .1.00 0.96 96

OCDF 2.00 97 OCDD 2.00 95

- Qs = Quantity Spiked I Qm = Quantity Measured Rec. = Recovery (Expressed as Percent) P = Recovery outside of target range X = Background subtracted value Nn = Value obtained from additional analysis NA= Not Applicable * = See Discussion Report No.... 02-1056603

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

CITY_21MC1OO_OO3271O56

NYC-WTC_000202226

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NYC-WTC_000202226Source: NYC Law Department, mirrored locally

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