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GCMS blank analysis results, sample AE09450, May 3, 2002

Machine-extracted title · confidence 95%

Laboratory report for DEP Box 25 showing GCMS blank analysis of sample AE09450 with semi-volatile organic compounds below detection limits from May 3, 2002.

NYC-WTC_000043164–000043173

Folder label: “GCMS X 4/19/02 A 5/2/02

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NYC 9/11 Public Portal Document ULLCLY CaL1A pULL ACPU.

Data File C:\HPCHEM\1\DATA\MAY0202\LB.D Vial: 3 Acq On 2 May 2002 4:42 pm Operator: Sample GC/MS SCAN 4/19 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0501.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 3 Cyclohexasiloxane, dodecamethy Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T. 17.96 0.49 ug/1 51753 Naphthalene-d8 15.83

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclohexasiloxane, dodecamethyl- 444 C12H3606Si6 000540-97-6 2 1,1,1,5,7,7,7-Heptamethyl-3,3-bis(t 444 C13H40O5Si6 038147-00-1 3 3-Trimethylshlyloxystearic acid, tr 444 C24H5203Si2 000000-00-0 10 4 Silane, [1 ,3-benzenetriyltris(oxy 342 C15H30O3Si3 017864-23-2 9 Abundance < Scan 1410 (17.958 min): LB.D (-) m/ z 73.10 100.00% 73

5000 341 TT 147 429 17.60 17.80 18.00 18.20 45 | 207 251 i । 311 i rrnT TTTITmTmm TT 11111111111 i11111 T m/z 341.00 33.49% m/z-> 40 60 80 100120140160180200220240260280300320340 360380400420 Abundance #56711: Cyclohexasiloxane, dodecamethyl- 73 341

429 5000 ' i ' 1 17.60 17.80 18.00 18.20 147 m/Z 147.05 14.00% 117 1. 207 267 311 [ 111111111 TTTTpe I I I | I 'l I ! I I I I I I I I I > I I I I I I I I I I I II I I I I I I I 1 I I I I I I I I I I l' I I I II > I I i"'' i" " i m/z-> 40 60 80 100120140160180200220240260280300320340 360380400420 Abundance #56714:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)t 73 TF if 147 17.60 17.80 18.00 18.20 267 m/z 429.05 13.33% 5000

45 207 355 429 A l........... I ..... i " " i " " i" " i rrr" i1,1'i I" " I" " 111" I" " I I I | ! ) I I | I I I I | I (> ' । 1 | 1 ' | ' fn | i

m/z-> 40 60 80 100120140160180200220240260280300320340 360380400420 Abundance #56734: 3-Trimethylsilyloxystearic acid, trimethylsilyl est TT TT Tr 73 17.60 17.80 18.00 18.20 m/z 342.00 10.57%

5000 147 233

313 429 189 ।।11 rip hijhand ‘oU—"1"r711 II I 387 TT IMip .339 ■■ 1 I ' ‘ ' I - < I I I I I I I I I I I I [ I m/z-> 40 60 80 100120140160180200220240260280300 320340 360380400420 17.60 17.80 18.00 18.20

LB.D GCMS0501.M Fri May 03 08:42:41 2002 Page 3

NYC-WTC_000043172

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NYC-WTC_000043172Source: NYC Law Department, mirrored locally

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