NYC Law Department release
Independent mirror · updated as the City releases more · v1.3.3
☕ Buy me a coffee
← Document results/DEP Box 25/GCMS X 4/30/02 A 5/8/02
Document / 24 pages

GCMS analysis results for unknown compounds, sample AE09093, May 2002

Machine-extracted title · confidence 95%

Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE09093 on May 10, 2002.

NYC-WTC_000044902–000044925

Folder label: “GCMS X 4/30/02 A 5/8/02”

Page image
Scanned page image, NYC-WTC_000044921
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\050802\9093.D Vial: 15 Acq On 9 May 2002 2:49 am Operator: Mclean Sample 4/30 eh Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 12 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 2

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

36.46 0.70 ug/L 550003 Perylene-dl2 34.70

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3,6-Dioxa-2,4,5,7-tetrasilaoctan. . . 294 C10H3002Si4 004342-25-0 3 2 3 Mercaptoacetic acid, bis(trimeth... Pentasiloxane, dodecamethyl- 236 384 C8H20O2SSi2 C12H3604Si5 006398-62-5 7 000141-63-9 / 16 X2 4 Trisiloxane, octamethyl- 236 C8H2402Si3 000107-5 7 14 Abundance Scan 5681 (36.458 min): 9093. D (-5659) (-) m/z 73.05 100.00% 73 147 221

281 5000 355

429 44 36.20 36.40 36.60 36.80 0 1 1 1 1 1 1 ........ 1.......... I, 1 .1 , - m/z 221.10 98.53% m/z-> __ 0 50 100 150 200 250 300 350 400 Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221

73 5000 36.20 36.40 36.60 36.80 191 m/ Z 147.10 88.63% 117 279 45 k , 1, 249 . 0— TIl 1 1 ' /z-> 0 50 100 150 200 250 300 350 400 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 147

N 1 ■ 1 1 1 ' I 1 1 ' 1 1 1 ' 11 1 11 36.20 36.40 36.60 36.80 5000 m/z 281.00 60.91% 221 45 104, 193 0 13 i 1 ' 150 .. 16g V L,. ... . .... n/z-> 0 100 150 200 250 300 350 400 Abundance #115143: Pentasiloxane, dodecamethyl- 73 147 281 36.20 36.40 36.60 36.80 m/z 207.00 52.54%

5000 369

207

0— 45 93 117 177,1 249, 1 i 1 1 ‘ 1 1 ’ 1 ' ' 1 1 1 1 ' i 1 ■ 1 ■ 1 1 1 1 1 1 /z-> 0 50 100 150 200 250 300 350 400 36.20 36.40 36.60 36.80

9093.D 050102.M Thu May 09 13:33:37 2002 Page 15

NYC-WTC_000044921

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

NYC-WTC_000044921Source: 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, sample AE09968, May 2002 · Box DEP Box 25

NYC-WTC_000043938

Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996

machine-extracted · confidence unavailable · Check page ↗

Filed elsewhere

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Others also read

Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.

Compare copies and versions →