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GC/MS results for unknown compounds and surrogates, sample AE10981, May

Machine-extracted title · confidence 100%

Laboratory report showing GC/MS analysis of sample AE10981 with surrogate recovery data for 2,4-DDD.

NYC-WTC_000023904–000023924

Folder label: “GCMS X 5/10/02 A 5/14/02

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Scanned page image, NYC-WTC_000023914
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\051402\10981.D Vial: 10 Acq On : 14 May 2002 8:50 pm Operator: Mclean Sample : 5/10 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 3 2-Pentanone, 4,4-dimethyl- Concentration Rank 9

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

7.73 0.36 ug/L 339791 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4,4-dimethyl- 114 C7H140 000590-50-1 17 2 4-Penten-2-one, 4-methyl- 98 C6H10O 003744-02-3 12 3 2,4-Pentanedione, 3-diazo- 126 C5H6N2O2 029397-21-5 12 4 Methyl l-methylcyclopropyl ketone 98 C6H10O 001567 -75-5 9 Abundance Scan 791 (7.727 min): 10981.D (-785) (-) m/z 43.10 100.00% 43

5000 58 1 ' i ■ ■ ' ■ i ■ ■ ■ ■ i ■ ' ■ ■ i 87 98 133 209 7.40 7.60 7.80 8.00 O-Tpo UM i 11" " i'" 11" " i" " i" " i .। m/ z 58.10 25.79%

k I "'' I"'' I"'' I" " I" " I ■ i" " i mfe-> :20 30 40 50 60 70 80 90 100110120130140150160 170180190200 210 Abundance: #109615:2-Pentanone, 4,4-dimethyl- 43

WWMAA/wmN 5000 57 7.40 7.60 7.80 8.00 m/z 87.10 15.78% 29 I , 71 86 99 114 0- ।. IYll’l,,, "111,, । iill. f.।।. r.. ।।।r।j।।।. miz-> :20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 Abundance #110033: 4-Penten-2-one, 4-methy- 43

7.40 7.60 7.80 8.00 5000 m/ z 41.10 11.96% 83 98 V " r1111 " 1 L 11111 " " 11 " ' r '1111' " 11!'11II11111111.... |.... |. I 0 m/z-> 20 30 40 50 60 70 80 90 100110120130140150160170180190 200 210 Abundance #4996: 2,4-Pentanedione, 3-diazo- 43 7.40 7.60 7.80 8.00 m/z 57.00 11.87%

5000

/z-> 0 111'' ■ i1 in 54 70 83 126 98

20 30 40 50 60 70 80 90 100110120130140150160170180190200210 w 7.40 A 8.00

10981.D 050102.M Thu May 16 14:37:14 2002 Page 6

NYC-WTC_000023914

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NYC-WTC_000023914Source: NYC Law Department, mirrored locally

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