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GCMS comments for sample AD29187, Jan 2002

Machine-extracted title · confidence 95%

Laboratory commentary noting low recovery and acidic pH for sample AD29187, recommending re-extraction and re-analysis on January 4, 2002.

NYC-WTC_000036513–000036529

Folder label: “GCMS X 12/6/01 A 12/12/01 - 12/13/01

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Scanned page image, NYC-WTC_000036526
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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC1301\29187.D Vial: 6 Acq On : 13 Dec 2001 2:44 pm Operator: 209 GALOS Sample : gems scan 12/6 Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L

Peak Number 7 Heneicosane Concentration Rank 2

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

35.41 2.10 ug/1 491758 Perylene-dl2 37.10

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Heneicosane 296 C21H44 000629-94-7 (91 2 Heneicosane, 11-(1-ethylpropyl)- 366 C26H54 055282-11-6 91 3 Tetratetracontane 619 C44H90 007098-22-8 91 4 Heptadecane, 2,6,10,15-tetramethyl- 296 C21H44 054833-48-6 91 'Abundance Scan 3307 {35.405 min): 29187.D (-) m/ z 57.00 100.00% 57

85 5000- ( TTrTur T )' i ' ' ' ' I ' ' ' ' I ' ' 113 35.00 35.20 35.40 35.60 35.80 — 1 141169207 239267295, ... . ..... ...... m/ z 43.05 70.33% miz-> 50 100 150 200 250 300 350 400 450 500 550 600 Abundance #42201: Heneicosane 57

85 5000 ■ 1 i 35.00 35.20 35.40 35.60 35.80 m/ Z 71.05 68.79%

miz-> 50 100 114 150 268296 200 250 300 350 400 450 500 550 600 'Abundance #51002: Heneicosane, 11-(1-elhylpropyl)- 43 T—pmr 71 35.00 35.20 35.40 35.60 35.80 5000 m/ z 85.00 50.67%

' J 99 1 ; ' J?7 183 225 295 338 m/z-> 50 100 150 200 250 300 350 400 450 500 550 600 Abundance #61068: Tetratetracontane -===== 57 35.00 35.20 35.40 35.60 35.80 m/z 41.05 27.02% 5000 85

1 1113141169197225 379407 590618 ' ■ ■ Te—Tr ■ 1 ' I ' 1 ' ' I ' ' ' ' I ' 1 1 1 I 1 1 ‘tltrrk. r i i । । i m/z-> 50 100 150 200 250 300 350 400 450 500 550 600 35.00 35.20 35.40 35.60 35.80

29187.D GCMS1126.M Fri Dec 21 13:06:25 2001 Page 7

NYC-WTC_000036526

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NYC-WTC_000036526Source: NYC Law Department, mirrored locally

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