GCMS sample analysis results, AE11904, June 3, 2002

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11904.

NYC-WTC_000012937–000012965

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\l\DATA\052202\11904.D Vial: 11 Acq On : 22 May 2002 9:58 pm Operator: Mclean Sample : 5/21 ad Inst : Inetrumen 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 6

R.T. EstConc Area Relative to I STD R.T.

3.70 1.31 ug/L 936245 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS#

1 Methylene Chloride 84 CH2C12 000075-09-2 2 Methylene Chloride 84 CH2C12 000075-09-2 94 3 Methylene Chloride 84 CH2C12 000075-09-2 91 4 Methylene Chloride 84 CH2C12 000075-09-2 91 Abundance Scan 106 (3.702 min): 11904.D (-91) (-) m/z 49.10 100.00% 49 84

5000

■ ■ ■ । ■ ■' ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । ■ • ■ ■ । 88 3.40 3.60 3.80 4.00 3538 42 1. Of “I'"‘I'■''I““l1'“ 1“‘U“1 -I111 ‘111"I■HH .“1.■ “ i “'■।■' ■ ■ । ■ i “■■i■11 t +mmm m/z 84.0.0 84.29% miz-> 5 10 15 20253035404550556065 70 75 80859095 Abundance #111039: Methylene Chloride 49 84 5000 11 ■ i11 ■ ■ । ‘ ‘ i1 ■ ■ ‘ । ‘ i 3.40 3,60 3.80 4.00 m/z 86.00 44.90% 88 -/* 2831 3538 43 |, 12 57 67 71 77 Of ■'I'"'i'1''I■'"i"1 ■ i‘~ 'I'■''111'111111 Ttumupmmnppngumpt _ H m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49 84 ' 3.40 3.60 3.80 4.00 1 5000 m/z 51.05 -- 30.86%

46 152 2629 59 65 73 77 41 | 88 Of pmmphanhH Tmmmmmptt thpm mz-> 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 1 1 ‘ 1 i ■ • ■ • i ■ 1 ■ • i 49 3.40 3.60 3.80 4.00 84 m/z 47.05 / 17.64% 5000

35 88

n/z-> 0 mHHp 14 11111.2528/32.1284141Hr + 1521 “ i “ " i" “ i1 ■ ■ 70 5 10 15 20 25 30 35 40 45 50 55 60 65 70 758085 90 95 ■ I ‘“ i ■ ■ ■ ■ i ■'1 1 1 i ' 1 1 1 I 1 1 1 ' i ■ ■ ■ ■ i 1 ■ 1 ■ I 3.40 3,60 3.80 4.00

11904.D 052202.M Tue May 28 12:09:03 2002 Page 4

NYC-WTC_000012945

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NYC-WTC_000012945Source: NYC Law Department, mirrored locally

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GCMS sample analysis results, AE11903, June 3, 2002 · Box DEP Box 15

NYC-WTC_000012908

Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11903.

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