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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\1\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\l-..\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 6 2-Propanone, 1,1,1-trichlor ... Concentration Rank 1

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

6.00 0.53 ug/L 165734 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Propanone, 1,1,1-trichloro- (C. . . 160 C3H3C130 000918-00-3 47 2 2-Propanone, 1,1,1-trichloro- $$- . • 160 C3H3C130 000918-00-3 40 3 2 -Propanone, 1,1,1-trichloro- (C. . . 160 C3H3C130 000918-00-3 37 4 2-Propanone, 1,1,1-trichloro- (C. . . 160 C3H3C130 000918-00-3 23 Abundance Scan 233 (6.004 min): 01139.0 (-) m/ z 43.10 100.00% 43

5000 .______ /..... 73

0- * 49 63 83 --- II 97 119125 5.60 m/z 5.80 73.10 6.00 6.20 23.22% 6.40

n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #59079: 2-Propanone, 1,1,1-trichloro- (CAS) $$ Trichloroac... 43

5000 5.60 5.80 6.00 6.20 6.40 m/z 124.90 8.18% 97 125 35 49 0- ————————— - II 117 II miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #59081: 2-Propanone, 1,1,1-trichloro- $$ alpha.,.alpha...... 43 ............ ... ........................................ 5.60 5.80 6.00 6.20 6.40 5000 m/z 127.00 6.22%

15 I 35 85 97 117 125 miz-> 4950....... 0- ■ ' i ' ' 1 ' i ' 1 ■ ■ i ' r ■ ' i ■ ■ 10 20 30 40 60 ......80 70 ■ i ■ ■ ■ ■ i ' ' ' 'i'''' i ' 11 1 i ' ' 90 100 110 120 130 Abundance #59078: 2-Propanone, 1,1,1-trichloro- (CAS) $$ Trichloroac... 43 5.60 5.80 6.00 6.20 6.40 m/z 97.00 5.71%

5000

35 49 61 82 97 117 125 O—IT 11 1 ■ • ■ i ' 1 ' ■ i ■ ■ ■r i ■ ■ "I1............... 4 n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

01139.D HP022102.M Tue Feb 26 08:30:11 2002 Page 8

NYC-WTC_000003494

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NYC-WTC_000003494Source: NYC Law Department, mirrored locally

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

NYC-WTC_000003463

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

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998

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