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← Document results/DEP Box 25/GCMS X 4/29/02 A 5/3/02
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GCMS blank analysis results for sample AE10134, May 7 2002

Machine-extracted title · confidence 100%

Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.

NYC-WTC_000044381–000044395

Folder label: “GCMS X 4/29/02 A 5/3/02

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Scanned page image, NYC-WTC_000044395
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NYC 9/11 Public Portal Document

Operator ID: Mclean Date Acquired: 3 May 2002 1:32 am Data File: C:\MSDCHEM\1\DATA\050202\429LB.D. Name: 4/29 ad Mise: Method: C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title: 508 Modified GC/MS scan Library Searched: C:\DATABASE\NIST98.L

--Internal Standard-- TIC Top Hit name RT EstConc Units Response # RT Resp Cone

Methylene Chloride 3.78 0.7 ug/L 441013 1 9.94 24432200 40.0 Propanal, 2,2-dim... 3.85 0.2 ug/L 132524 1 9.94 24432200 40.0 2-Chloroethanol 3.89 0.2 ug/L 123412 1 9.94 24432200 40.0 Ethyl Chloride 4.37 0.2 ug/L 145602 1 9.94 24432200 40.0 2-Pentene, 2,3-di... 5.03 0.2 ug/L 139011 1 9.94 24432200 40.0 2-Pentanone, 4-hy... 5.97 8.5 ug/L 5194560 1 9.94 24432200 40.0 2-Propenal, 3- (3, . . . 22.58 0.3 ug/L 241691 4 22.96 34518000 40.0 Anthracene-d10- 23.11 0.4 ug/L 357431 4 22.96 34518000 40.0

429LB.D 050102.M Mon May 06 12:27:42 2002 Page 12

NYC-WTC_000044395

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NYC-WTC_000044395Source: NYC Law Department, mirrored locally

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