GCMS sample analysis results, AE11902, June 3, 2002

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11902.

NYC-WTC_000012881–000012907

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\11902.D Vial: 9 Acq On : 22 May 2002 8:20 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 2 Methylene Chloride Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 3.80 1.07 ug/L 689611 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2/9 2 Methylene Chloride 84 CH2C12 000075-09-2 4 3 Propiolonitrile 51 C3HN 001070-71-9 3 4 2-Chloroethanol 80 C2H5C1O 000107-07-3 2 Abundance Scan 122 (3.796 min): 11902.D (-121) (-) m/z 84.00 /100.00% 49 84

5000 36 41 70 58 88 3.40 ' 3.60' 3.80 4.00' 4.20 0+ " i1" ■ i ■ ■1 ■ i1''' i ■ ■ “ i “ “ i ■ ■ ■ ■ TI ■ 4 * “ T+tt ’I “'I"1 ‘I "I'I‘“'i m/z 49.10 89.66% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 49 84

5000 3.40 3.60 3.80 4.00 4.20 35 m/z 51.10 83.48%

niz-> Abundance 01 14 mHHmmp 1 2528 32 3841 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85T 90 95 F| I I I ■ | 1 ~1 Ifl ■ | I I I I | . 12 ■ i'■■ ■ ।।70

#111041: Methylene Chloride 49 • i •1■■ i‘ ■1 ‘i■ + 88

_P ' 1 । 1 ■ 1 * i ■ ■ ■ ■ i ‘ ■ i ■ ■ ■ • i ■ ■ 84 3.40 3.60 3.80 4.00 4.20 5000 .m/z 36.10 31.47% 46 2629 52 59 65 Tmmnmgmmouogf73 77 41 88 HHTmp | 01 > 11 > i r, 11 ■ 1111. i. 11: i!7' I > 11111 11 n i ■ 11111111 "WMMWWAW n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12371: Propiolonitrile ■ i ■ ■ • 1 i ■ ■ ■ ■ i ■ ' ■ • i ■ ■ ■ • i ■ 1 51 3.40 3.60 3.80 4.00 4.20 m/z 41.10 27.16% 5000

0 12 18 2528 32 38 47 m/z—> 5 10 15 20 25 30 35 40 45 50WpTpm • > j * H 11»«11111111111 r 111111 r 111 ‘j t r r 111 j i 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00 4.20

11902.D 052202.M Tue May 28 12:06:35 2002 Page 5

NYC-WTC_000012890

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NYC-WTC_000012890Source: NYC Law Department, mirrored locally

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GCMS sample analysis results, AE11907, June 4, 2002 · Box DEP Box 15

NYC-WTC_000012989

Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11907.

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