NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 16/GCMS X 12/26/01 A 1/15-1/16/02
Document / 9 pages

GCMS analysis results, sample AD31379, Feb 2002

Machine-extracted title · confidence 85%

Gas chromatography-mass spectrometry analysis of environmental sample AD31379 completed on 02/07/2002, showing 2,4-DDD surrogate recovery at 115%.

NYC-WTC_000016204–000016212

Folder label: “GCMS X 12/26/01 A 1/15-1/16/02

Page image
Scanned page image, NYC-WTC_000016211
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report 9 Data File : C:\HPCHEM\1\DATA\JANI502\31379.D Vial: 15 Acq On : 16 Jan 2002 12:40 am Operator: 209 GALOS Sample : gc/ms scan 12/26 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 1 Silane, tetramethyl- Concentration Rank 1

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

7.44 4.87 ug/1 1155090 1,4-Dichlorobenzene-d4 11.50

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl - 88 C4H12Si 000075-76-3 9 2 1-Butanamine, 3-methyl- 87 C5H13N 000107-85-7 9 3 N-Ethylformamide 73 C3H7NO 000627-45-2 9 4 1,3-Di xolane, 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 Abundance Scan 261 (7.441 min): 31379.D (-) m/z 73.00 100.00% 73

5000 43

87 103 7.00 7.20 7.40 7.60 7.80 | 50 55 60 67, । 4 38,4 1 ■ i ■ ■ ■ 1 i • ■ ■ • i ■ • • ■ i ■ ■ m/z 43.05 33.27% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73

5000 7.00 7.20 7.40 7.60 7.80 45 m/z 45.05 11.82% 15 , / 53 59 I 88 1 1 i 1 ■ 1 1 I ‘ 1 1 1 I 1 ' 1 1 1 1 ri 1 I’l’i । ‘ ■ ■ i ■ 1 ■ ■ i ' ■ ■ ■ i • ■ ■ ‘ i ■ ■ ■ • i ■ 1 m/z-> 10__ 20___ 30 _ 40 50 60 70 80 90 100 110 Abundance -783 1 Botana ' 1 30 T—ndmmu—mmTTT 7.00 7.20 7.40 7.60 7.80 5000 m/z 41.03 11.56%

15 41 55 70 87 ■ 1 i ' • ‘ ■ i • ■ ■ ■ i • ■ ■ ■ i 1 1 ■ ‘ i • ’"1 i j i i i i । i i !I111*II*I m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 7.00 7.20 7.40 7.60 7.80 73 m/z 71.0.0 6.77% 5000 44 58 15 m/z-> —r" ■ i ■ ■ l'- ' 10 20 30 —pl 40 ji FTnummmOTumTTT 50 60 70 80 90 100 1///n/d/nmmt11183 110 7.00 7.20 7.40 7.60 7.80

31379.D GCMS1126.M Mon Feb 04 15:09:03 2002 Page 1

NYC-WTC_000016211

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

NYC-WTC_000016211Source: 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

No available related records indexed in this group.

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 →