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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\l\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\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 8 1,2,3-Thiadiazole, 5-methyl- Concentration Rank 13

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

4.95 0.28 ug/L 200824 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 1,2,3-Thiadiazole, 5-methyl- 100 C3H4N2S 050406-54-7 17 2 Trifluoroacetic acid, 2-tetrahyd.. . 198 C7H9F3O3 1000216-78-4/10 3 3-Buten-2-ol, 2-methyl- 86 C5H10O 000115-18-4/9 4 Ethyl Chloride 64 C2H5C1 000075-00-/ 9 Abundance Scan 318 (4.948 min): 9973.D (-313) (-) m/z 43.10 100.00% 43 71

5000 Mk 49 59 84 ' ■ i ■ 1 • ’ i ■ ■ ■ ■ । ■ 1 > I । । । ■

l ++ 37 4.60 4.80 5.00 5.20 111'11 I I II I I I I I I I I I I I I I I I I m/z 71.10 91.07% m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #24596: 1,2,3-Thiadiazole, 5-methyl- 71 45 5000 39 . .1... . 1 1 i 1 1 1 ' i ' 4.60 4.80 5.00 5.20______ m/ Z 40.10 42.99% 32 58

m/z-> | I ! I > | > I I I | I I > I | I ! I I | ' I !! | I

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 11111 11 > 111 T1ttT M i. 100 1 T I rr I I I I I I I I I I I I I I I I I I I I I I I I I I I I

Abundance #24323: Trifluoroacetic acid, 2-tetrahydrofurylmethyl ester 43 71 i i । i i i r-1 rn । । । । । i k i ki i । । 4.60 4.80 5.00 5.20 5000 m/z 41.10 35.51% 31

mlz-> Abundance ttupttt 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 38 51 57 I I I I I ! I I I I I I I I

#114555: 3-Buten-2-ol, 2-methyl- 43 71 1 95 I | I | I | | | | 111v jVII I | I I i i | । I i । । i i i i । i ww“WppWww/ w 1 1 I ' 1 1 1 I ' 1 1 1 1 1 1 ' ' I 1 ' 1 ' I ' 4.60 4.80 5.00 5.20 m/z 39.10 31.67% A 5000 59 27

/z—> 18 I I | I I I ! | I I I ! | ! 111/32 „38+ + 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 53 +1111J 11111111111 86 ।111 ‘1" i " " i1" ' r 111 r1" r " 111 1,1...ill | Ml 4.60 4.80 5.00 5.20

9973.D 050102.M Tue May 07 15:51:58 2002 Page 12

NYC-WTC_000044041

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NYC-WTC_000044041Source: 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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