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GCMS analysis results, sample AE09973, May 2002

Machine-extracted title · confidence 100%

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 5 Krypton Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T. 4.16 0.54 ug/L 384435 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Krypton 84 Kr 007439-90-9 9 2 3-Buten-2-one, 3-methyl- 84 C5H80 000814-78-8/9 3 Furan, 2,3-dihydro-5-methyl- 84 C5H80 001487-15-/ 5 4 4H-1,2,4-Triazol-4-amine 84 C2H4N4 000584-134 4 Abundance Scan 184 (4.160 min): 9973.D (-179) (-) m/z 43.10 100.00% 43 40 84 5000 49

60 ' ' | ' 1 1 1 | I 1 । 1 p-T-r i । i

m/z-> ........... I 20 25 30 35 40 ++++ 36 1 1 1 i 1 ■11 i ' 1 1 1 i ■' 1' 1 11 45 50 i11111 ■1 55 60 । । । n n । । । । । । । । । । । i r

65 70 75 80 85 88 11 I | i-1 i i-] i r

90 95 3.80 m/ z 4.00 40.10 4.20 4.40 68.35% 4.60

Abundance #33829: Krypton 84

5000 3 80 4.00 4.20 4.40 4.60 42 m/z 84.00 65.93%

m/z-> 1, PTITTTTTIPTPTPTIIPH 80 tit 1 ’ i1'1 ■ i ■ ■ 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 PMMNMyMimoyoink, Abundance #109350: 3-Buten-2-one, 3-methyl- 43 3 80 4.00 4.20 4.40 4.60 5000 84 m/z 49.10 48.95%

27 39 55 69 /WMMorottall 1111 1111111 > 11111 -■ 1111 ■ 11111 1111111'11111 11111 । । । । ■ i ■ I ■r 111' ■11 r ■ m/z->_____ 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #6978: Furan, 2,3-dihydro-5-methyl- 43 3.80 4.00 4.20 4.40 4.60 m/z 85.05 37.76% 5000 84 39 27 54

miz-s ........... 20 25 30 TT’H 35 40 ++ 158,.65 51 45 50 55 60 65 472 TH 81 75 80 85 90 95 70 11 ''1 i 1 1 1 1 1 ' ' 3.80 4.00 4.20 4.40 4.60

9973.D 050102.M Tue May 07 15:51:54 2002 Page 9

NYC-WTC_000044038

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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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