NYC Law Department release
Independent mirror · updated as the City releases more · v1.3.3
☕ Buy me a coffee
← 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.

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 →