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GCMS analytical comments for sample AD30986, Jan 2002

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Analytical notes regarding GCMS scan results and LCS standard recoveries for sample AD30986.

NYC-WTC_000018287–000018315

Folder label: “GCMS X 12/27/01 A 1/16/02

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\HPCHEM\1\DATA\JAN1802\30986A.D Vial: 3 Acq On 18 Jan 2002 5:36 pm Operator: 209 GALOS Sample Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 14 1,1,1,5,7,7,7-Heptamethyl-3,3- Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 28.47 1.27 ug/1 679000 Phenanthrene-dl0 24.78

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 1,1,1,5,7,7,7-Heptamethyl-3,3-bis(t 444 C13H40O5Si6 038147-00-1 36 2 1-Monolino3^oylglycerol trimethylsi 498 C27H5404Si2 054284-45-6 36 3 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 32 4 Benzoic/acid, 2,4-bis [ (trimethylsil 370 C16H30O4Si3 010586-16-0 25 Abundance Scan 2551 (28.465 min): 30986A.D (-) m/z 73.0,0 100.00% 73

5000 147 .................. . .......................... 221 281 355 28.20 28.40 28.60 28.80 45 1 I— r , 96 117 „ , . 191p1 *1,« 249., IT ‘ .327 *IIII711111 • ( > . ri*| i । I 401 429 m/z 147.00 34.86% miz-> 50 100 150 200 250 300 350 400 450 Abundance #56714:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)t 73 147 5000 267 355 429 28.20 28.40 28.60 28.80 45 207 m/z 221.05 19.40% T ] I-! 1B |1 i » » । i i ! J I T m/z-> 50 100 150 200 250 300 350 400 450 Abundance #58871: 1-Monolinoleoyiglycerol trimethylsilyl ether 73 ----- 207 28.20 28.40 28.60 28.80 5000 147 m/z 355.05 17.07% 34 103 281 395....... 482 ; 1........ 2 .. m/z-> 50 ' 100 ' ' 150 200 250' 300 ' ' 350 400 450" Abundance #52459: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet i 73 147 28.20 28.40 28.60 28.80 281 m/z 281.00 14.71% 5000

369 m/z-> .2 350 460' 450 ’ 50 100 150 200 250 300 338 J........ 28.20 28.40 28.60 28.80

30986A.D GCMS1126.M Tue Jan 22 10:18:26 2002 Page 14

NYC-WTC_000018308

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NYC-WTC_000018308Source: NYC Law Department, mirrored locally

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