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GCMS blank analysis results, Feb 25-26 2002

Machine-extracted title · confidence 90%

Laboratory report showing GC/MS analysis results for a blank sample testing specific compounds on February 25 and 26, 2002.

NYC-WTC_000003425–000003443

Folder label: “GCMS X 1/20/02 A 2/25/02

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NYC 9/11 Public Portal Document

Operator ID: Date Acquired: 25 Feb 2002 11:14 am .Data File: C:\MSDCHEM\1\5973N\02FEB25\0116B.D Name: lab blank 1/16 Mise: February 25, 2002 Method: C:\MSDCHEM\1\METHODS\METHODS\HP022102.M (RTE Integrator) Title: 508 scan method Library Searched: C:\DATABASE\WILEY7N.L

--Internal Standard-- TIC Top Hit name RT EstConc Units Response # RT Resp Cone Butanoic acid, me. . 3.61 0.1 ug/L 47094 1 9.72 6589500 20.0 Propane , 1,1 -dime . . 3.92 0.1 ug/L 22985 1 9.72 6589500 20.0 Toluene \ / 4.37 0.1 ug/L 32682 1 9.72 6589500 20.0 2-Butyn-l\ol, /4-m. . 4.64 0.0 ug/L 13213 1 9.72 6589500 20.0 9-Borabicyclo[3.3 . . 5.51 0.1 ug/L 16697 1 9.72 6589500 20.0 3 - (CYCLOHEX/3 ‘ - EN. . 5.96 0.3 ug/L 104049 1 9.72 6589500 20.0 (1,1,1,3,3/-hexa. . 6.58 0.0 ug/L 12132 1 9.72 6589500 20.0 p-Xylene / \ 7.11 0.0 ug/L 15642 1 9.72 6589500 20.0 Methyl -d3/hydrazi . . 9.44 0.0 ug/L 11734 1 9.72 6589500 20.0 Cyclopentasiloxan . . 12.54 0.1 ug/L 60901 2 13.20 9443090 20.0 2,5-Cyclohexadien . . 13.38 0.0 ug/L 14273 2 13.20 9443090 20.0 4 -METHOXY- . BETA. - . . 22.28 0.1 ug/L 44563 4 22.63 10184200 20.0 3,6-DIMETHYL-TRIA. . 24.86 0.0 ug/L 21166 4 22.63 10184200 20.0

0116B.D HP022102.M Tue Feb 26 08:30:43 2002 Page 16

NYC-WTC_000003443

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NYC-WTC_000003443Source: NYC Law Department, mirrored locally

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GCMS analysis results, Feb 27 2002 · Box DEP Box 12

NYC-WTC_000003463

Gas chromatography-mass spectrometry results for sample AE01138 identifying unknown compounds and surrogates on February 27, 2002.

4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991

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