GCMS blank analysis results, sample AE10809, May 2002

Machine-extracted title · confidence 80%

Gas chromatography-mass spectrometry blank analysis conducted May 17, 2002 testing for semivolatile organic compounds with all results below method reporting limits.

NYC-WTC_000045936–000045963

Folder label: “GCMS X 5/7/02 A 5/15/02”

Page image

OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\DATA\051402\0507LB.D Vial: 16 Acq On : 15 May 2002 2:34 am Operator: Mclean Sample : 5/7 kb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 19 .alpha.-Tetraloxime, 5,6-di... Concentration Rank 20 R.T. EstConc Area Relative to ISTD R.T. 37.77 0.30 ug/L 136852 Perylene-dl2 34.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 .alpha.-Tetraloxime, 5,6-dimethoxy- 221 C12H15NO3 1000125-87-9 2 6-Dimethyl(trimethylsilyl )silylo... 344 C19H44OSi2 1000245-69-0 4 3 1,2-Bis(trimethylsiloxy)ethane 206 C8H2202Si2 007381-30- 4 4 1-Pentamethyldisilyloxybutane 204 C9H24OSi2 1000216-8. -7 4 Abundance Scan 5905 (37.774 min): 0507LB.D (-5894) (-) m/z 147.00 100.00% 147 73 221

5000 96 N 281 355 44 191 r L 37.40 37.60 37.80 38.00 38.20 OU m/z 73.05 79.86% /z->______ 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #87826: .alpha.-Tetraloxime, 5,6-dimethoxy- 221 1

5000 41 37.40 37.60 37.80 38.00 38.20 63 78 178 m/z 221.00 74.53% 161 206 115131146 । 0- m th 17r l ^"i । hp 1,1'h"1! TTT ! I [ I I ‘ ' | ' < ! < | I I I ! | I ■ I I | ■ I ■ I | I , I ! | ! ! I ! T m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #65955:6-Dimethyl(trimethylsilyl)silyloxytetradecane 75 147 1 i ' r ‘ I 1 ' ' 1 i 1 ' 37.40 37.60 37.80 38.00 38.20 41 m/z 42.00% 5000 96.20 129 dl 57 0— . .......... 231 i । i r ' । । < 271 329 > । । । । T 1 | I I I I | । i । i । । I' I i | I' f I 1 | T

miz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #123296:1,2-Bis(trimethylsiloxy)ethane TT 1 ' I ' 147 37.40 37.60 37.80 38.00 38.20 m/z 355.10 37.01% 73 5000

103 191 45 m/z--> 0+ 1144 488,+.4 40 60 11—A 206....................... I > I I j I > i r | 1 I । I | I I | r | r r i r । r i' I | i I i 80 100 120 140 160 180 200 220 240 260 280 300 320 340 ndn,BBnO,d-T t ........ ill ' I ' ' ' ' I ' ' ' ' ■ ■ i 1 1 ' ■ i * 37.40 37.60 37.80 38.00 38.20

0507LB.D 050102.M Thu May 16 12:36:04 2002 Page 22

NYC-WTC_000045961

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000045961Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

GCMS analysis results for sample AE10810, May 2002 · Box DEP Box 25

NYC-WTC_000046006

Gas chromatography-mass spectrometry report for sample AE10810 showing detection of unknown compounds and surrogate recovery.

1 shared topics · Same agency, volume and box · similarity 0.993