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GCMS analysis results, sample AE09973, May 2002

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Laboratory report for sample AE09973 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044025–000044054

Folder label: “GCMS X 4/25/02 A 5/7/02

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\1\DATA\050602\9973 .D Vial: 21 Acq On 7 May 2002 3:59 am Operator: Mclean Sample 4/25 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 20 Pyrazine, methoxy-, 4-oxide Concentration Rank 19 R.T. EstConc Area Relative to ISTD R.T. 37.74 0.22 ug/L 126494 Perylene-dl2 34.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Pyrazine, methoxy-, 4-oxide 126 C5H6N2O2 023902-69-4 4 2 Formamide, N-(cyanomethyl)- 84 C3H4N2O 005018-27-9 3 3 Furan, 2,5-dihydro-3-methyl- 84 C5H80 001708-31-2 2 4 2H-Pyran-2-one 96 C5H402 000504-31-4 2 Abundance Scan 5899 (37.739 min): 9973. D (-5896) (-) m/z 40.10 100.00% 49

5000 84 207 281 37.40 37.60 37.80 38.00 ■ i 1 1 1 1 i ' ■ 1 ■ 1 "IB iT m/Z 84.00 35.16% m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance 43 #1411: Pyrazine, methoxy-, 4-oxide AM 5000 1 1 I • ' ’ ’ f - f i I I I I I I I I

37.40 37.60 37.80 38.00 $55 96 126 m/z 207.00 29.69% 68

m/z->0 20 40 +r +14,4,' 60 ' 110 । । * 1 11 । 1 1 1 1 । 1 1 1 1 । 1 1 1 1 I 1 1 ’ > । 1 r 1 1 । i 1 ' i 1 ' ' ' i 80 100 120 140 160 180 200 220 240 260 280 h/MMhaMAMMWMvMoMMMWN Abundance #541: Formamide, N-(cyanomethyl)- 29 i 1 1 ' ' i 1 ■ 1 1 i 84 37.40 37.60 37.80 38.00 55 m/z 96.20 23.83% 5000

th 1 J 1 > 1 1 I » ’ ,44.4, T-p m/z->0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #386: Furan, 2,5-dihydro-3-methyl- iim iiiiiii|mi iiiiiiiih pi lining 29 37.40 37.60 37.80 38.00 84 m/ Z 50.90 22.40% 69 5000 56

15 I 3,

m/z-> 44 ' ? ' 1, J'- 0 20 40 60 T-p 80 100 120 140 160 180 200 220 240 260 280 I III 11 1 1 I 37.40 37.60 37.80 38.00 —

9973.D 050102.M Tue May 07 15:52:05 2002 Page 24

NYC-WTC_000044053

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NYC-WTC_000044053Source: NYC Law Department, mirrored locally

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GCMS analysis results, sample AE09968, May 2002 · Box DEP Box 25

NYC-WTC_000043938

Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996

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