GCMS sample analysis results, AE11799, June 3, 2002

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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 Acq On : 22 May 2002 5:54 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 1 Methylene Chloride Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 3.70 1.04 ug/L 831340 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2/97 2 Methylene Chloride 84 CH2C12 000075-09-2/ 91 3 Methylene Chloride 84 CH2C12 000075-09-2 91 4 Methylene Chloride 84 CH2C12 000075-09-2 91/ Abundance Scan 106 (3.702 min): 11799.D (-94) (-) m/z 49.10 100.00% 49 84

5000

■ ■ ■ । ■ ■ ■ ■ ।'। • • ■ ■ । ■ i 3.40 3.60 3.80 4.00

m/z-> 0- mPmPLRTTHHT —pmpp t 35 3942 i 5 10 15 20253035404550556065 70 75 80859095 H 88 m/z 84.00. 85.86% Abundance #12327: Methylene Chloride 49 84 5000 ■ Omnnn/mTm100830. 3.40 3.60 3.80 4.00 m/z 86.00 / 44.90% 88

miz-> 14 18 24 2831 353841 0!TIWUHtmp 132 _________ Tuunmnap 70______ , —mnanamgmuuth 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 H Abundance #111039: Methylene Chloride 49 ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ' ■ । 1 ■ ■ 1 । ■ 1 1 i 84 3.40 3.60 3.80 4.00 5000 m/z 51.10 32.50%

2831 3538 43 |, ,!>2 57 88 67 71 77 . ।. 11. Hmmp O' TIWTPTTTTTTT । i., 111.1|.... ।.... ।. i.. AM mtz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride • • ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । ■ ■ ■ ■ i • ■ • ■ i 49 3.40 3.60 3.80 4.00 84 m/z 47.05 21.42%

5000

35 88 wMMn. Ti/Z-> 14 Of TTp-rTTIP] 2528 32 384 152 41 TBI—mB—B—m—m—d—umnmmnmurt 1 5 10 15 20253035404550556065 70 75 80 85 90 95 70 + ' ' 1 1 ' 1 1 I 1 ' 1 ' l ' ' 3.40 3.60 3.80 * I * ' ‘ 1 I 4.00

11799.D 052202.M Tue May 28 12:02:47 2002 Page 4

NYC-WTC_000012802

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NYC-WTC_000012802Source: NYC Law Department, mirrored locally

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11901.

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