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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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Scanned page image, NYC-WTC_000040199
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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 1 2-Butyne-1,4-diol Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T. 3.29 0.23 ug/1 153148 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 3 2 Ethyl Chloride 64 C2H5C1 000075-00-3 1 3 2-Butyne-1,4-diol, diformate 142 C6H604 036677-73-3 1 4 Borane, trifluoro- 68 BF3 007637-07-2 1 Abundance 7 Scan 35 (3.285 min): 07633.D (-21) (-) m/z 49.00 100.00% 49 84 5000 40

Yn '' I 1' 1 ' I 1 1 '' I '1 1 1 11 11 111 1 1' 1 11 3.20 3.30 3.40 3.50 3.60 3.70 0 ' 1 i 1 1 ' ' i ' ■ ' 1 1 1 ' 1 1 i 1 m/z 47.00 57.91% miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #108388: 2-Butyne-1,4-diol 29 30 57 (A

5000 T ■ < ■ ■ I । । ' > | ■ । । > |11 > 11 > 11 ri' I1'1'

68 3 20 3.30 3.40 3.50 3.60 3.70 51 m/z 84.00 57.58%

m/z—> Of 1 1 i ' ' 10 20 30 145,1ll -7 40 6050 70 780 sr.. —.. -...... 90 100 110 120 130 Abundance #107943: Ethyl Chloride 28 3.20 3.30 3.40 3.50 3.60 3.70 64 5000 m/z 40.00 37.61% VVV—V~VYA~/~—WVWV

49 35 15 I miz-> 01 .. 10 4— 7 20 +— 30 40 50 60 • l > • 1 > I ■ 1 1 1 I 1 1 i-> I > 1 TTT > । । । । ■ ■ । । । ■ > 70 80 90 100 110 120 130 Abundance #381: 2-Butyne-1,4-diol, diformate 29 39 3.20 3.30 3.40 3.50 3.60 3.70 m/z 86.00 36.69% 5000 51

68 —MNheml .58

m/z-> 0 -P +4 ' 10 18

20 l 30 W50 44— , l 76 1, 86 97 105,11.1,3,. 125, 60 40) 70 80 90 110 120 100 130 3.20 3.30 3.40 3.50 3.60 3.70

07633. D SCANAPR0902 .M Fri Apr 12 14:27:39 2002 Page 3

NYC-WTC_000040199

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NYC-WTC_000040199Source: NYC Law Department, mirrored locally

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