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GCMS analysis results, sample AE09972, May 2002

Machine-extracted title · confidence 100%

Laboratory report for sample AE09972 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044001–000044024

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\9972.D Vial : 20 Acq On 7 May 2002 3:11 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 Ethene, 1-chloro-1,2-difluoro- Concentration Rank 10

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

4.26 0.30 ug/L 242542 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Ethene, 1-chloro-1,2-difluoro- 98 C2HC1F2 000359-04-6 35 2 Ethene, 2-chloro-1,1-difluoro- 98 C2HC1F2 000359-10-4 8 3 Methylphosphonyldifluoride 100 CH3F20P 000676-99-3 7 4 2-Cyclopenten-l-one, 2-hydroxy- 98 C5H602 010493-98-8 5 Abundance Scan 201 (4.260 min): 9972.D (-192) (-) m/z 98.10 100.00%! 93

40

5000 i i i । । i r r । । t r i i । i i i f । । । । I

48 88 4.00 4.20 4.40 4.60 T-1 | I I I I | I R 1 I 35 | TT I- I Jl P.................. I I I ! . , , I I , 1T m/z 100.10 97.76% n/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #42806: Ethene, 1 -chloro-1,2-difluoro- 98

5000 1 1 ' 1 1 1 1 * ' I । । 1 > । । 4.00 4.20 4.40 4.60 31 m/z 40.10 68.16% 48 „ 7 79..... |............................................................ ............— i ■ • ' ■ i 1 1 ' 1 i TTI m/z--> 10 20 30 40 50 60 70 80 90 100 Abundance #118484: Ethene, 2-chloro-1,1-difluoro- 98 I I-“I I I I I I I I I I I r [ I I I I I I I I I

4.00 4.20 4.40 4.60 5000 m/z 42.20 42.28% 48 63 31 79 12 18 25 | 37 43 t । | । i r | | । । ‘ । । | I J ' i । | । ' I i I | ‘ i । । ,1 ,I 11| Jr 6' ,9i ,1 t I I , 85 I I 1 I I I I I I I 1I T Tld m/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #43739: Methylphosphonyldifluoride 7 "I rn L । । i i or" (" i ' i । r ' ■ i • 1 1 100 4.00 4.20 4.40 4.60 m/z 87.90 __.- 13.42% 5000 69 80

85 MMr4smpvBl/yally V 47 52 .................. I3!1 36 i ’ t_ i_ । i--। i l । I । i r—i- । 11 । । 1 TIT I I | I-“I I-! |““I I I I | I I f I | | I

m/z--> 10 20 30 40 50 60 70 80 90 100 4.00 4.20 4.40 4.60

9972.D 050102.M Tue May 07 15:50:58 2002 Page 9

NYC-WTC_000044014

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NYC-WTC_000044014Source: 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 0.997

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