NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 25/GCMS X 5/7/02 A 5/15/02
Document / 28 pages

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
Scanned page image, NYC-WTC_000045948
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\METHGDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 6 Cyclohexasiloxane, dodecame... Concentration Rank 2

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

15.48 2.92 ug/L 2640020 Napthalene-d8 13.43

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclohexasiloxane, dodecamethyl- 444 C12H36O6S16 000540-97-6 87 2 Cyclohexasiloxane, dodecamethyl- 444 C12H36O6Si6 000540-97-6 80 3 1,1,1,5,7,7,7-Heptamethyl-3,3-bi... 444 C13H40O5Si6 038147-00-1 32 4 Guaifenesin di-tms derivative 342 C16H30O4Si2 1000137-06-7 17 Abundance Scan 2111 (15.483 min): 0507LB.D (-2101) (-) m/ z 73.10 100.00% 73

5000 341 147 > । । — । । i> i । । । । । । । । । 429 15.20 15.40 15.60 15.80 45 179 207 251 281 311 [ 0- ।__ L 1 । 1 117 TIl r ' ।' ~ I j । i । i । । । । i । > । 1 i 1 397,— m/z 341.00 36.17% /z-> 50 100 150 200 250 300 350 400 Abundance #27931: Cyclohexasiloxane, dodecamethyl- 73 341

429 5000 *111111 1"’*’ 11 1 1 " 11 1 15.20 15.40 15.60 15.80 147 m/z 147.10 19.71% 45 117 [ 207 267 311 [ 397 01 I —I— !' । | ■ 1 — 1dl 1 1 ' m/z-> 50 100 150 200 250 300 350 400 Abundance #115309: Cyclohexasiloxane, dodecamethyl- 73 ...... n....... ■ ■ ।11 ■' । ■ ■' ■ । ■1'' ।11 15.20 15.40 15.60 15.80 5000 m/z 429.10 12.17% 341 429 147 26 45 98 117 | 177 207 251 271 292311 L i 367 397 0 T—' 11 1 | I I I | ! ! I ' ll ' I 1 Tid Tl m/z-> 50 100 150 200 250 300 350 400 Abundance #26950: 1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)... 73 15.20 15.40 15.60 15.80 m/z 342.00 11.25% 147 5000 267 355 429 45 207

/z-> 0 50 1 100 l Tl 150 1 ' 200 i 1 L ' ‘ 'I 250 ' 300 'i' 350 — 400 15.20 15.40 15.60 15.80

0507LB.D 050102.M Thu May 16 12:35:54 2002 Page 9

NYC-WTC_000045948

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

NYC-WTC_000045948Source: 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

Filed elsewhere

More like this page

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

Page similarity is temporarily unavailable or this page has no indexed vector.

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 →