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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_000036523
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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC13O1\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 4 Hexatriacontane Concentration Rank 9

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

32.63 0.65 ug/1 195595 Chrysene-dl2 33.01

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Hexatriacontane 507 C36H74 000630-06-8 94 2 Tetracosane 338 C24H50 000646-31-1 91 3 Pentacosane 352 C25H52 000629-99-2 91 4 Tricosane 324 C23H48 000638-67-5 91 Abundance Scan 3005 (32.633 min): 29187.D (-) m/z 56.95 100.00% 57 43 71 5000- 85

TTmTTTmerTt 99 32.40 32.60 32.80 33.00 - —4127141155169.197211225. 281 Tm T11 m/ z 43.00 71.71% m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #74636: Hexatriacontane 43 57

71 7 5000 85 T 32.40 32.60 32.80 33.00 m/z 70.95 63.94% 29 113127141 155169183197211 U . TTTTTTITPITTTT ■ • • I ■ • • > 11 ‘ ' I1 I ' •• ' I 1’1 m/z—> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #73543: Tetracosane 43 57 . 71 TRTTrrrrrmrrmm 32.4G 32.60 32.80 33.00 5000- | 85 m/ z 85.05 46.41% ; I : 99 1. . 113127 155169183197 294 338 ■ * i ■' ■ ■ r '111 ■ ■' ■ i' ■ ■ ■ r ■ ■' 1111 ' i ■1 ■' i ■ ■ ■ ■ R T‘ i ‘ TTITTTT i' ■ ■11' m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #73718: Pentacosane -==== , 4 । A 4= । $ 43 57 32.40 32.60 32.80 33.00 m/z 41.05 30.18% 71 5000 - 85

1 99 113127141155169183197211225 m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 32.40 32.60 32.80 33.00

29187.D GCMS1126.M Fri Dec 21 13:05:57 2001 Page 4

NYC-WTC_000036523

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NYC-WTC_000036523Source: NYC Law Department, mirrored locally

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