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GCMS analysis results, sample AE01139, 2,4-DDD, Feb 2002

Machine-extracted title · confidence 92%

Gas chromatography-mass spectrometry analysis report for sample AE01139 detecting surrogate 2,4-DDD at 76 ug with MDL of 5.0, analyzed on 02/27/2002.

NYC-WTC_000003483–000003502

Folder label: “GCMS X 1/20/02 A 2/25/02”

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NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\l\5973N\02FEB25\01139.D Vial: 5 • Acq On : 25 Feb 2002 2:32 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 25, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N. L ********************************************************************* Peak Number 1 Dichloroacetonitrile $$ Ace... Concentration Rank 2

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

3.48 0.15 ug/L 46697 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Dichloroacetonitrile $$ Acetonit... 109 C2HC12N 003018-12-0 78 2 Acetonitrile, dichloro- $$ Diehl... 109 C2HC12N 003018-12-0 74 3 Acetonitrile, dichloro- 109 C2HC12N 003018-12-0 72 4 Dichloroacetonitrile $$ Acetonit... 109 C2HC12N 003018-12-0 38 Abundance Scan 9 (3.475 min): 01139.D (-) m/z 73.95 100.00%

m/z-> 5000

Abundance Of 10 20 30 40 47

* 50 ' ' I ' ' ' ‘ I 1 60 70 74

I 82

111 80 #11642: Dichloroacetonitrile $$ Acetonitrile, dichloro- $$... i - । । 90 । 100 । । 110 ■ 1 m/z TA ' 1Mmn 111 3.50 3.60 3.70 3.80 3.90 81.90 49.74%

74 82

5000- ‘+1+/*/‘1‘‘+/•/+1+1/‘/1 3.50 3.60 3.70 3.80 3.90 47 m/z 83.90 38.81% 35 12 108 01 ----- - .......... 1170 ■’T' ' i ' ' ‘ 1 i ' ' ' 1 I ' 1 mlz-> 10 20 30 40 50 60 80 90 100 110 Abundance #11641: Acetonitrile, dichloro- $$ Dichloroacetonitrile $$... 74 3.50 3.60 3.70 3.80 3.90 5000 82 m/ z 76.00 35.38% 47 35 01 --- —TT TIB , 109 1 1 i 1 ' 1 1 i ' ■ ■ 1 i ■ ■

n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #11644: Acetonitrile, dichloro- 74 3.50 3.60 3.70 3.80 3.90 35 m/z 47.00 26.47%

5000 82

47

m/z-> 0 ■ i ■ ' ' ■ i 1 ■ ■ ' i ■ ■ 10 20 30 — ' 1 I 1 1 ' ' I 'I 40 50 60 70 TIil 80 1 ' I 1 ' 1 1 I ' ' 1 1 I ' 1 90 100 110 A AAAAL 3.50 3.60 3.70 3.80 3.90

01139.D HP022102.M Tue Feb 26 08:30:10 2002 Page 3

NYC-WTC_000003489

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NYC-WTC_000003489Source: NYC Law Department, mirrored locally

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GCMS analysis results, Feb 27 2002 · Box DEP Box 12

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Gas chromatography-mass spectrometry results for sample AE01138 identifying unknown compounds and surrogates on February 27, 2002.

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