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← Document results/DEP Box 23/GCMS X 4/3/02 A 4/10/02
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GCMS surrogate recovery data for sample AE07633, April 2002

Machine-extracted title · confidence 100%

Laboratory report showing blank sample results for volatile organic compounds to verify analytical system cleanliness in April 2002.

NYC-WTC_000040193–000040202

Folder label: “GCMS X 4/3/02 A 4/10/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\020410\07633.D Vial: 13 Acq On : 10 Apr 2002 9:39 pm Operator: Nefliu Sample : sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1...\SCANAPR0902 .M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1

Peak Number 2 2-Butyne-1,4-diol Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T.

3.33 0.46 ug/1 308652 1,4-Dichlorobenzene-d4 10.66

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2 -Butyne-1 ,4- diol 86 C4H602 000110-65-6 1 2 Ethyl Chipride 64 C2H5C1 000075-00-3 1 3 4-Pentenenitrile, 3-hydroxy- 97 C5H7NO 027451-36-1 1 4 2-Chloroethanol 80 C2H5C1O 000107-07-3 1 Abundance Scan 42 (3.326 min): 07633.D (-40) (-) m/z 40.00 100.00% 40

5000

, 11110121111111110*1—11111 49 3.20 3.30 3.40 3.50 3.60 3.70 । 86 0 ‘‘ITEIT1‘1191111111110117711m31 "•'i'1 ■ h ""i" "i ■'"i" " i" " i" " i‘"11' i" " i"" i"" i1 ‘ m/ z 49.00 8.13% mfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #108388: 2-Butyne-1,4-diol 29 33 57

5000 68 3.20 3.30 3.40 3.50 3.60 3.70 51 m/z 47.00 1.99%

miz-> Of —134 444l +63+4+73 173 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 1’111111 85 TTHmp NA "umno N Abundance #107943: Ethyl Chloride 23 ■'1 (11 *11111' i1111r1111'11111111r1 3.20 3.30 3.40 3.50 3.60 3 70 64 m/z 86.00 1.33%

UMHmno 5000

49 35 15 I Ol ........ H..... rH TTT-+--59+44 f।।।।।. T MITT m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #323: 4-Pentenenitrile, 3-hydroxy- " I " ' ' 1117 TIIETT T’IIII ! < > > j ! , I I | t 23 3.20 3.30 3.40 3.50 3.60 3.70

41 5000 55 68 15

m/z—> 0 "I......... ...................I 34 HH i 50 I 63 , |, ' i" ’' 111 11 79 98 | 1 । M |' I ' I 11 I " | r . .. | I 11. | I’’ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105

07633.D SCANAPR0902.M Fri Apr 12 14:27:41 2002 Page 4

NYC-WTC_000040200

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NYC-WTC_000040200Source: NYC Law Department, mirrored locally

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