NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 18/GCMS X 5/8/02 A 5/9/02
Document / 25 pages

GCMS blank analysis results for May 2002

Machine-extracted title · confidence 100%

Laboratory report of a GCMS blank run conducted on May 14, 2002, showing non-detect results for various compounds.

NYC-WTC_000022965–000022989

Folder label: “GCMS X 5/8/02 A 5/9/02

Page image
Scanned page image, NYC-WTC_000022986
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document X WL ULIU ICD —

Data File C:\MSDCHEM\1\DATA\050902\0508LB.D Vial: 4 Acq On 9 May 2002 5:43 pm Operator: Mclean Sample 5/8 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 15 Cyclononasiloxane, octadeca... Concentration Rank 2

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

36.50 1.60 ug/L 1032610 Perylene-d12 34.70

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclononasiloxane, octadecamethyl- 666 C18H5409Si9 000556-71-8 87 2 1,1,1,5,7,7,7-Heptamethyl-3,3-bi... 444 C13H40O5Si6 038147-00-1 53 3 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 43 4 Mercaptoacetic acid, bis(trimeth... 236 C8H20O2SSi2 006398-62-5 32 Abundance Scan 5688 (36.499 min): 0508LB.D (-5674) (-) m/ z 73.10 100.00% 73 147 221

5000 281 _ I I I I I I I _

355 429 36.20 36.40 36.60 36.80 0- I'' 40 ■ ' i' t+t 191 | 11,3251,1 ■ ■ 11 ■ I 1 503 m/z 147.10 80.95% m/z-> 50 100 150 200 250 300 350 400 450 500 550 600 650 Abundance #115158: Cyclononasiloxane, octadecamethyl- 73 147 221 429

355 5000 281 IIIIIYi 1MA" . AMMrimM e 36.20 36.40 36.60 36.80 m/z 221.10 70.89%

n/z-> 0- । । I ’ 1 1 ' I 1 1 50 ' ' I ' r ' I ' ' r' l ‘ MLTT 100 150 200 250 300 350 400 450 500 550 600 650 —TTTT 651 475

Abundance #26950:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)... 73 I+IIIIIIruI"Autsus 147 36.20 36.40 36.60 36.80 5000 267 m/z 281.10 39.03% 355 429 207

0- 1 1 1 miz-> 50 100 150 200 250 300 350 400 450 500 550 600 650 woMAompnt Wwlyntww Abundance #26961: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trime... 73 147 36.20 36.40 36.60 36.80 m/z 207.00 30.38% 281 / 5000

369

/z-> 0 2744 50 117 Tff 177^ 249,

100 150 200 250 nu" epertihr 338 I 1 1 ' ■ ■ ■ i ' 300 350 400 450 500 550 600 650 36.20 36.40 36.60 36.80

0508LB.D 050102.M Tue May 14 10:15:01 2002 Page 18

NYC-WTC_000022986

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

NYC-WTC_000022986Source: 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 →