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NYC-WTC_000182790

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000182790–000182814
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NYC 9/11 Public Portal Document

Pace Analytical Services, Inc. 1700 Elm Street - Suite 200 Minneapolis, MN 55414

'^ace Analytical____________ Method 8290 Laboratory Control Spike Results Tel: S12-607-1700 Fax: 612- 607-6444

Client - ATC

Lab Sample ID SPIKE-DUP-1219 Filename V11121D Matrix WIPE Total Amount Extracted 1 Sample Dilution NA ICAL Date 07/23/2001 Extracted 11/19/2001 CCal Filename(s) V11121A&V11121I Analyzed 11/21/2001 12:18 Method Blank ID BLANK-1336 injected By MCH

Native Qs Qm % Internal ng's Percent Isomers (ng) (ng) Bec. Standards Added Recovery 2,3,7,8-TCDF 0.20 0.20 101 2,3,7,8-TCDF-13C 2.00 62 2,3,7.8-TCDD-13C 2.00 60 1,2,3.7,8-PeCDF-13C 2.00 61 2,3,7,8-TCDD 0.20 0.19 94 2,3,4,7,8-PeCDF-13C 2.00 56 1,2,3,7,8-PeCDD-13C 2.00 58 1,2,3.4,7,8-HxCDF-13C 2.00 93 1,2,3.7,8-P0CDF 1.00 1.24 124 1,2,3,6,7,8’HxCDF-13C 2.00 88 2,3,4,7,8-PeCDF 1.00 1,18 118 2,3.4,6,7,8-HxCDF-13C 2.00 87 1,2,3,7,8,9’HxCDF-13C 2.00 78 1,2,3,4,7,8-HxCDD-13C 2.00 95 1,2,3,7.8-PeCDD 1.00 1.10 110 1,2,3.6,7,8-HxCDD-13C 2.00 76 1,2,3,4,6.7.8-HpCDF-13C 2.00 77 1,2,3,4,7,8,9-HpCDF-13C 2.00 66 1,2,3.4,7,8-HxCDF 1.00 1.21 121 1,2,3,4,6.7,8-HpCDD-13C 2.00 75 1,2,3,6,7,8-HxCDF 1.00 1.20 120 OCDD-13C 4.00 70 2,3,4,6,7,8-HxCDF 1.00 1.16 116 1,2,3,7.8,9-HxCDF 1.00 1.12 112 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 1.14 114 2,3,7,8-TCDD-37CI4 0.20 60 1,2,3,6,7,8-HxCDD 1.00 1.16 116 1,2,3,7,8,9-HxCDD 1.00 1.02 102

1,2,3,4,6,7,8-HpCDF 1.00 1.14 114 1,2,3,4,7,8,9-HpCDF 1.00 1.19 119

1,2,3.4,6,7.8-HpCDD 1.00 1.12 112

OCDF 2.00 2.26 113 OCDD 2.00 2.70 135 P

Qs = Quantity Spiked 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.... 01-1051099

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

CITY_21MC100_003101509

NYC-WTC_000182813

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NYC-WTC_000182813Source: NYC Law Department, mirrored locally

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