NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 21/GCMS X 11/20/01 A 11/26/01
Document / 13 pages

GCMS comments for sample AD28159, Nov 2001

Machine-extracted title · confidence 100%

Analytical commentary for sample AD28159 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.

NYC-WTC_000033752–000033764

Folder label: “GCMS X 11/20/01 A 11/26/01

Page image
Scanned page image, NYC-WTC_000033762
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV2601\28153.D vial: 17 Acq On : 27 Nov 2001 2:21 am Operator: 209 GALOS Sample : 11/20 scan 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 3,6-Dioxa-2,4,5,7-tetrasilaoct Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

41.52 1.59 ug/1 283879 Perylene-dl2 37.12

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 294 C10H3002Si4 004342-25-0 28 2 Trisiloxane/ 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 25 3 3-Isopropoxy-1,1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 25 4 2,6-Dimethy 1-3,4-bis(trimethylsilyl 311 C15H29NO2Si2 000000-00-0 17 Abundance 7 Scan 3973 (41.521 min): 28153.D (-) m/z 73.0.0 100.00% 73

147 221 5000 281 355 > ■ । ‘ । ■ ■ ■ ■ । ■ ■ ■ > । • ■ ■ ■ । 327, I , 401 429 41.20 41.40 41.60 41.80 43L 1 ' I ■ ' . 105.414 L 105 L ------- 350 400 450 500 550 m/z 147.00 61.41% mlz->____ 50 100 150 200 250 300 Abundance #41682:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 147 221

73 5000 _ PIT —PY 41.20 41.40 41.60 41.80 191 m/z 221.05 51.96%

m/z-> —

50 100 150 200 L Tr L 250 279

300 350 400 450 500 550 Abundance #74103: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet 73 147 —1—ITTT "AT 41.20 41.40 41.60 41.80 5000 m/z 207.00 26.86%

Ju 45 1117 - 207 249 P 281 369 wwWuw m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #60503: 3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73 41.20 41.40 41.60 41.80 m/z 281.00 24.53% 5000 147 N k 221 ' 281 | 327 3f, A15 415 519 561 w -u T T m/z-> 50 100 150 200 250 300 350 400 450 500 550 41.20 41.40 41.60 41.80

28153.D GCMS1126.M Tue Nov 27 15:43:38 2001 Page 4

NYC-WTC_000033762

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

NYC-WTC_000033762Source: 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 →