NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 25/GCMS X 4/25/02 A 5/7/02
Document / 20 pages

GCMS analysis results, sample AE09968, May 2002

Machine-extracted title · confidence 85%

Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.

NYC-WTC_000043938–000043957

Folder label: “GCMS X 4/25/02 A 5/7/02

Page image
Scanned page image, NYC-WTC_000043955
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\1\DATA\050602\9968.D Vial: 25 Acq On 7 May 2002 7:14 am Operator: Mclean Sample 4/25 Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 9 5,8,11-Heptadecatriynoic ac... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 34.88 0.39 ug/L 260714 Perylene-dl2 34.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 5,8,11-Heptadecatriynoic acid, m... 272 C18H2402 056554-57-5 9 2 3-Mercapto-5-ethyl-1,2,4-triazole 129 C4H7N3S 007271-45-6 5 3 Perylene-dl2 264 C20D12 001520-96-3 • 4 7,12a-Dimethyl-l,2,3,4,4a,11,12,... 264 C20H24 075758-27 •9 5 Abundance Scan 5412 (34.878 min): 9968.D (-5411) (-) m/z 129.50 100.00% 129

264 5000

207 34.60 34.80 35.00 35.20 44 73 i r [ i i i i । I i i i । i i ii । i r r • | > i i r । 1 11111 ■ ■ । ■ ■ ■11 ■1'11'11 ■ ।'1 ■11'11 I ■ TrI m/z 130.80 70.19% /z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 Abundance #58427: 5,8,11-Heptadecatriynoic acid, methyl ester 129 141 41 — 91 115 155 5000 29 Til I I A < I ___________ A I I I ill I ] I I I I II 74 34.60 34.80 35.00 35.20 169 103 i l 183। 197 215 229 241 m/ z 128.10 65.66%

m/z-> 20 |l Jlulool444444r , ", , ll T—TTTTTTTTr 40 60 80 100 120 140 160 180 200 220 240 " 277,272 260 Abundance #58411: 3-Mercapto-5-ethyl-1,2,4-triazole 129

34 60 34.80 35.00 35.20 5000 m/z 264.10 52.05% 70

41 56 91 ........... i J., I, , Il 114 I I I I ' I I I I I ’ ’I I I ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ > ' ' I 1 । 1 I । । । 1 । । < । । i । ■ ।11 ‘11'11111 m/z->______ 20 40 60 80 100 120 140 160 180 200 220 240 260 Abundance #95141: Perylene-d12 11।111'i71 ■ । । 1 1 ■ । । j ‘ 264 34.60 34.80 35.00 35.20 m/z 132.80 45.79% 5000

132 28 । ■ i ■ । । ■ ■ • ■ । 76 88 102 । । ■ 1 ■ > । 118 ............. 194 208 232 TTI ■11’1/7.1 i | i i r > | ■ 1 > । | I I I I | I I I I | I | ■ > I 1T0 .......... 1 1 i ' ■ 1 1 i ' TI /z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 34.60 34.80 35.00 35.20

9968.D 050102.M Tue May 07 15:47:03 2002 Page 13

NYC-WTC_000043955

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

NYC-WTC_000043955Source: 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 →