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 / 16 pages

GCMS Method 508 calibration data sheet, Nov 2001

Machine-extracted title · confidence 100%

Technical data sheet recording instrument parameters and calibration details for GCMS Method 508 analysis conducted in November 2001.

NYC-WTC_000033886–000033901

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

Page image
Scanned page image, NYC-WTC_000033896
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\NOV2 601\LBA.D Vial: 9 Acq On : 26 Nov 2001 6:31 pm Operator: 209 GALOS Sample : 11/20 lab bik 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 5 Trisiloxane, 1,1,1,5,5,5-hexam Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 38.03 1.13 ug/1 219627 Perylene-dl2 37.12

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 12 2 3,6-Dioxa-2,4,5, 7-tetrasilaoctane, 294 C10H3002Si4 004342-25-0 12 3 Pyrene, 4-dec/l-l,2,3,3a,5a,6,7,8-0 350 C26H38 055493-75-9 10 064399-29-7 10 4 4H-Pxrido[l, -a]pyrimidine-3-carbox 221 C11H15N3O2 _____________ Abundance Scan 3593 (38.027 min): LBA.D (-) m/z 147.00 ~ 100.00% 73 147 221 355 281 5000 191 J _ —Tfrmemerm 97 117 1 325 402 429 miz-> 36 55 1 . I 1 1 ' I • 50 1(— nr 100I 1 150 . I. I200A L —250L.1,;300 350 253 , | — —.—L I ■ 400 37,60 37.80 38.00 38.20 38.40 m/z 73.00 85.59% Abundance #52459: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet ............... / 73 147 281 5000- 37.60 37.80 38.00 38.20 38.40 369 m/z 221.05 78.30% . 207 249 , I... J...- 1—,__ —__ J__J—r—........ 1,... .......... -. ..... J. .. 338 , 4 , I miz-> 50 100 150 200 250 300 350 400 Abundance -41682. 3 6-loxa- 4. .6,7-tetrasilaoctane, 2,2.4,4.5,5.7,7- 147 221

73 37.60 37.80 38.00 38.20 38.40 5000 m/z 354.95 60. 35% 191 117 279 L • ■ । TI

"ll m/z-> 50 100 150 200 350 250 300 400 Abundance #49342: Pyrene, 4-decyl-1,2,3,3a,5a,6,7,8-octahydro- _ —...,... r. ,4. 44 ,, —4 । 1 -i 1 ! 29 221 37.60 37.80 38.00 38.20 38.40

5000 - 178 iL Li , I ft I 1. 1.. 1 T-PI 290 Tr । । . TTI miz-> 50 100 150 200 250 300 350 400 37.60 37.80 38 00 38.20 38.40

LBA.D GCMS1126.M Thu Jan 03 12:52:24 2002 Page 5

NYC-WTC_000033896

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

NYC-WTC_000033896Source: 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 scan file header, Nov 2001 · Box DEP Box 21

NYC-WTC_000030685

Header page for a gas chromatography-mass spectrometry scan file related to environmental testing at the World Trade Center site.

1 shared topics · Same agency, volume and box · similarity 0.992

machine-extracted · confidence unavailable · Check page ↗
GCMS comments for sample AD28157, Nov 2001 · Box DEP Box 21

NYC-WTC_000033800

Analytical commentary for sample AD28157 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.992

machine-extracted · confidence unavailable · Check page ↗
GCMS comments for sample AD28149, Nov 2001 · Box DEP Box 21

NYC-WTC_000033765

Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991

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.

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 →