GCMS analysis results for sample AE01140, Feb 2002

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Laboratory report documenting GCMS analysis of sample AE01140 conducted on February 27, 2002.

NYC-WTC_000003503–000003522

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\01140.D vial: 6 Acq Cn : 25 Feb 2002 3 :22 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 10 Cyclopentasiloxane, decamet... Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 12.54 0.19 ug/L 107424 Naphthalene-d8 13.20 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclopentasiloxane, decamethyl - 370 C10H3005Si5 000541-02-6 59 2 Cyclopentasiloxane, decamethyl - 370 C10H3005Si5 000541-02-6 45 3 Benzeneacetic acid, .alpha.,3,4-... 472 C20H4005Si4 037148-65-5 38 4 N-(Trifluoroacetyl)-N,0,0',O''-t... 553 C22H42F3NO4Si4 000000-00-0 38 Abundance Scan 812 (12.540 min): 01140.D (-) m/z 73.00 100.00% 73

5000 267 355 ....... H........ 12.20 12.40 12.60 12.80 45 154 193 04 ■ i - PI 1 i ■ ■ ■ • । ■ ■ ■ ■ । ■ m/ z 266.90 44.46% m/z-> 50 100 150 200 250 300 350 400 450 Abundance #313068: Cyclopentasiloxane, decamethyl- 73 355 267 5000 12.20 12.40 12.60 12.80 m/z 355.00 41.48% 207 , | 323 I 0! K 1 1 1 1 1 TI । । r । "i ' i 1 1 1 1 i ' 1 i ■ ' ' ' i ' 1 1 ' i 1 n/z-> 50 100 150 200 250 300 350 400 450 Abundance #313065: Cyclopentasiloxane, decamethyl- 73

12.20 12.40 12.60 12.80 5000 267 m/z 356.10 12.05% 355 45 Of ■ | i |■ .............. 193. 223 1 , t i । ■ 323 ■ ■ ■ । । ■ ■ ■ ■ । ■ ■ ■ ■ । । miz-> 50 100 150 200 250 300 350 400 450 Abundance #361625: Benzeneacetic acid, .alpha.,3,4-tris[(trimethylsi... 73 12.20 12.40 12.60 12.80 m/z 267.90 11.50% 5000 355

147 0 I L 193 267 295 ■’ l ' ' ' ‘ /" indru । । । pi । । rnnd t । । -i , 429 457 1 ■ i ■ 1 1 ■ i ■ 1 l ■ ■ ■ ■ i 1 ■ ■ 1 i m/z-> 50 100 150 200 250 300 350 400 450 12.20 12.40 12.60 12.80

01140.D HP022102.M Tue Feb 26 08:30:18 2002 Page 12

NYC-WTC_000003518

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NYC-WTC_000003518Source: NYC Law Department, mirrored locally

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GCMS analysis results, sample AE01139, 2,4-DDD, Feb 2002 · Box DEP Box 12

NYC-WTC_000003483

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.

1 shared topics · Same agency, volume and box · similarity 0.998