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GCMS analysis results, sample AE08761, April 25, 2002

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Gas chromatography-mass spectrometry analysis of environmental sample AE08761, detecting unknown compounds and 2,4-DDD surrogate at 74 μg, completed April 25, 2002.

NYC-WTC_000049113–000049123

Folder label: “GCMS X 4/12/02 A 4/23/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\APR2 202\8761.D Vial: 23 Acq On : 23 Apr 2002 6:35 am Operator: Sample : gc/ms scan 4/12 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0412.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L Peak Number 2 3,4-Dihydroxybenzyl alcohol,tr Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 14.81 0.55 ug/1 88090 Naphthalene-d8 15.84 Hit# of 5 'entative ID MW MolForm CAS# Qual 1 3,4-Dihydroxybenzyl alcohol,tris(tr 356 C16H3203Si3 068595-79-9 64 2 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 53 3 Silane, I[4-[1,2-bis[(trimethylsily 458 C20H42O4Si4 056114-62-6 47 4 Phenethylamine, N-methyl-.beta.,3,4 399 C18H37NO3Si3 010538-85-9 47 Abundance Scan 1064 (14.813 min): 8761.D (-) m/ z 73.00 100.00%[ 73

355 267 5000

i ■ ■ ' ■ i ■ ■ ’/ IB 45 14.40 14.60 14.80 15.00 15.20 । । 108 133154 ,193223 , 323 'i' ’ '360' ' ' 350 m/z 355.05 59.49% m/z-> 50 100 150 200 250 400 450 Abundance #49868:3,4-Dihydroxybenzyl alcohol,tris(trimethylsilyl)- 73

5000 267 179 14.40 14.60 14.80 15.00 15.20 356 m/z 267.00 45 147 51.86%|

‘i t 209 237 , k 312 m/z—> 50 100 150 200 250 300 350 400 450 Abundance #51266: Cyclopentasiloxane, decamethyl- 73 ............................... ............... 355 14.40 14.60 14.80 15.00 15.20 267 m/z 356.05 20.96 5000

' i . 207. 323 1 mz-> 50 100 150 200 250 300 350 400 450 Abundance #74512: Silane, [[4-[1,2-bis[(trimethylsilyl)oxy]ethyl]-1,2 355 14.40 14.60 14.80 15.00 15.20 m/z 268.00 . 13.47% 5000 73

147 . L ... [ 179 207 251 281 443 r 1 I । 1 ■ 1 । ■ । m/z—> 50 100 150 200 250 300 350 400 450 14.40 14.60 14.80 15.00 15.20

8761.D GCMS0412.M Tue Apr 23 14:23:55 2002 Page 2

NYC-WTC_000049121

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NYC-WTC_000049121Source: NYC Law Department, mirrored locally

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