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GCMS unknown compounds report, sample AD31253, Feb 2002

Machine-extracted title · confidence 95%

Laboratory report for DEP sample AD31253 identifying unknown compounds and surrogate recovery results from February 25, 2002.

NYC-WTC_000016442–000016460

Folder label: “GCMS X 12/24/01 A 1/9/02 2/15/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\l\DATA\JAN0802\31253.D Vial: 10 Acq On 9 Jan 2002 10:34 pm Operator: 209 GALOS Sample gems scan 12/24 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 4 Cyclopentasiloxane, decamethyl Concentration Rank 5

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

14.17 0.23 ug/1 79651 Naphthalene-d8 15.12

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 74 2 Benzoic acid, 2,5-bis(trimethylsilo 370 C16H3004Si3 003618-20-0 47 3 3,4 -Dihydroxybenzyl alcohol, tris (tr 356 C16H3203Si3 068595-79-9 43 4 Benzoic acid, 2. -bis[(trimethylsil 370 C16H3004Si3 003782-85-2 33 Abundance Scan 994 (14.168 mtn): 31253.D (-) m/ z 73.0,0 100.00% 73

5000 267 355 45 13.80 14.00 14.20 14.40 , 103 133 154. 177 193 . 223 251 1 Mr 11fi rrr —"Immmegu —upaummnanur 111111323339 m/z 267.00 32.16% miz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #51266: Cyclopentasiloxane, decamethyl- 73 355 267 5000 ‘iR T 18 13.80 14.00 14.20 14,40 m/z 355.0 22.69% 191207 251 323339 . I ....jI .... j .... 1 . I .. 1 .... 1 .... 1 .... 1 .... 1.T..1 .... 1 . . 1' TT »»V‘ > * “ i ■ * *11 miz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance 572978: Benzene acid 2.3-butbmemyisoy) trmothyls 73 355 ..... . ............. 13.80 14.00 14.20 14.40 5000- m/z 74.00 8.91% 45 147 179 207223 267282297 370 m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #49868:3,4-Dihydroxybenzyl alcohol,tris(trimethylsilyl)- 73 13.80 14.00 14.20 14.40 m/z 356.0 8.34% 5000 267 179 356 45 147 |, , 209 237 'I nyi i i'i 111 > 11 > i n 11 TTI—Tmupg)" ‘ > I»“ ‘ J ‘312 341 ‘ “ I “ ‘ ’ r' ‘ n TTTp m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 13.80 14.00 14.20 14.40

31253.D GCMS0103.M Wed Feb 06 11:21:36 2002 Page 4

NYC-WTC_000016452

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NYC-WTC_000016452Source: NYC Law Department, mirrored locally

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