NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 23/GCMS X 2/21/02 A 2/22/02
Document / 8 pages

GCMS blank analysis results, sample AD31498, February 2002

Machine-extracted title · confidence 70%

Gas chromatography-mass spectrometry blank quality control analysis showing results below method detection limits for organic contaminants tested February 27, 2002.

NYC-WTC_000038122–000038129

Folder label: “GCMS X 2/21/02 A 2/22/02

Page image
Scanned page image, NYC-WTC_000038128
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\FEB2102\LBB.D Vial: 30 Acq On : 22 Feb 2002 7:44 pm Operator: Sample : gc/ms scan 2/21 Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method C:\HPCHEM\1\METHODS\GCMS0208.M (RTE Integrator) Title 209 625/TCLP calibration table Library C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 N-Ethylformamide Concentration Rank 1

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

8.21 3.96 ug/1 285884 1,4-Dichlorobenzene-d4 12.33

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 N-Ethylformamide 73 C3H7NO 000627-45-2 9 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 1, 3-Dioxolane, 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 4 1,3 -Dioxolane , 2-pentadecyl- 284 C18H36O2 004360-57-0 9 Abundance / Scan 345 (8.207 min): LBB.D (-) m/z 73.00 100.00% / 73 1

5000 43 . ............ — 7.80 8.00 8.20 8.40 8.60 LL 50 55 . 67 । 1....... 87 ..........103................ i • ■ ' ■ i ' 1 ' ■ i ■ 1 ' 1 1 1 ■ ■ ' i ■ 1 ' ''i 1 m/z 43.05 28.92% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 'Abundance I #292: N-Ethylformamide 30 73 I I 5000 i 58 7.80 8.00 8.20 8.40 8.60 44 m/z 41.05 1 0.90% 15 ; .1. ‘nL I ■ i ■ ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 'Abundance #62932: Silane, tetramethyl- 73

7.80 8.00 8.20 8.40 8.60 5000- m/z 44.95 10.54%

45 15 53 59 ....... 88............................ । ■ ■ । IBmaanm/dm TT r 11 ' I ' ’ 1 ' 1 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 'Abundance #49423: 1,3-Dioxolane, 2-(3-bromo-5,5,5-trithloro-2,2-dirr>et l • ■ • • l ■ ■ 73 7.80 8.00 8.20 8.40 8.60 m/ z 71.00 6.76% 5000- 45 3611 i ■ • ■ ■ i ■ ■ ■ • i ■ ■ । ■ i ■ • • ■ i ■ ■‘ 55 67, ■ i . ■ ■ •■। ■ ................... 109 115, m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 7.80 8.00 8.20 8.40 8.60

LBB. D GCMS0208.M Wed Feb 27 12:09:21 2002 Page 1

NYC-WTC_000038128

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

NYC-WTC_000038128Source: 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

No available related records indexed in this group.

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 →