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GCMS sample analysis results, AE11799, June 3, 2002

Machine-extracted title · confidence 100%

Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11799.

NYC-WTC_000012794–000012822

Folder label: “GCMS X 5-21-02 A 5-22-02

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052202\11799.D Vial: 6 Acg On : 22 May 2002 5:54 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e 2* Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 6 Methylene Chloride Concentration Rank 11 R.T. EstConc Area Relative to ISTD R.T. 3.87 0.89 ug/L 708196 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2/4 2 Methylene Chloride 84 CH2C12 000075-09-2 4 3 Methylene Chloride 84 CH2C12 000075-09/2 2 4 Acetic acid, chloro-, ethyl ester 122 C4H7C1O2 000105-39-5 2 Abundance Scan 134 (3.866 min): 11799.D (-133) (-) rn/z 49.10 0.00% 49

5000

39 43 83 88 3,60 3.80 4.00 4.20 58 01 ‘‘1121191111110112112110111/221177T T’T TFT mphmnpmmpp m/z 50.00 25.94% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 5000 • i ■ ■ ■ ■ i ' ‘ ■ i ' ■ ■ ■ i ■ ' ■ ■ 3.60 3.80 4.00 4.20 m/z 43.10 22.18% 2831 3538 43 |. 01TT—umnummmamaTmT ,1]ti5211157 67 71 77 _ 88 1111111111 H 11 (1111111111111 Hhpmm niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 84 3.60 3.80 4.00 4.20 5000 m/z 39.20 20.16%

14 18 24 2831 353841 132 zg, -88 mm 0 TWTpHTTT A miz-> Abundance 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #111041: Methylene Chloride " 49 _LA 3.60 3.80 4.00 4.20 m/z 83,. 00 12.90% 84 5000

46 2629 41 [ 52 59 65 —mmduprt 73 77 88 0 ii p 1111111111 ■ i. ] 111. “i "l> l| 11 ■ 11111 ■ 111111 ! TUugm t-H ' ■ i ' • ■ ■ i • ■ • t ■ ■ 1 ■ i ■ • m/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

11799.D 052202.M Tue May 28 12:02:50 2002 Page 9

NYC-WTC_000012807

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NYC-WTC_000012807Source: NYC Law Department, mirrored locally

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