NYC Law Department release
Independent mirror · updated as the City releases more · v1.3.3
☕ Buy me a coffee
← Document results/DEP Box 12/GCMS X 1/29/02 A 2/1/02
Document / 167 pages

DEP GCMS data table, Jan-Feb 2002

Machine-extracted title · confidence 90%

Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.

NYC-WTC_000003981–000004147

Folder label: “GCMS X 1/29/02 A 2/1/02”

←Page 21 of 167→
Mirrored PDFOfficial City PDF ↗
Page image
Scanned page image, NYC-WTC_000004001
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\5973N\02FEB01\0129B.D Vial: 1 Acq On : 1 Feb 2002 10:35 am Operator: Sample : lab blank 1/29 Inst : Instrumen Mise : February 1, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\1...\SCAN508 .M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 5 2-Pentanone, 4-hydroxy-4-me ... Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T.

7.69 2.74 ug/L 1082100 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl-... 116 C6H1202 000123-42-2 38 2 2,4-Dimethyl-1,3-dioxolane (mi... 102 C5H10O2 000000-00-0 33 3 4-Penten-2-one, 4-methyl- (CAS) ... 98 C6H10O 003744-02-3 27 4 2-Pentanone, 4-hydroxy-4-methyl-... 116 C6H1202 000123-42-2 25 Abundance Scan 378 (7.689 min): 0129B.D (-) m/ z 43.10 100.00% 43

5000

58 87 "Tmmum’TrrmmTTT 98 7.40 7.60 7.80 8.00 | , 69 79, +51 'I' | 123 m/z-> 0- . 10 20 30 l 40 50 60 '1 'i 1 1 ' 1 । 1 1 70 80 90 11 i 1 ■‘ 1 T'1 " । 1 1 1 । । । । । . । 1 100 110 120 130 m/z 87.10 27.11% Abundance #16613:2-Pentanone, 4-hydroxy-4-methyl- (CAS) $$ Diaceton... 43 59 5000 101 7.40 7.60 7.80 8.00 m/z 58.10 22.53% 83 01. . t । । । । ' 4 +4Thur ‘ 71I' ■ ' r I' ■ - ■ i ■ ' 1 h 1 ■ ' 1 1 1 1 ' 1 I ' 1 ' 1 i ' t I

mlz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #9431: 2,4-Dimethyl-1,3-dioxolane (mixed isomers) 43 87 TA0—ffT——u—1nt nfrfr 1 ' ' 31 7.40 7.60 7.80 8.00

J 58 5000 15 m/z 59.10 15.25%

72 101

mtz—> 01 0 10 20 30 40 50 60 ■ ■ i ■ ■ 70 80 I 1 ' । 1 I I 1 । । I 1 1 1 1 1 I ' 1 PTr । । । । । 90 100 110 120 130 1 I 1 1 1 1

Abundance #7006: 4-Penten-2-one, 4-methyl- (CAS) $$ 4-METHYL-PENT-4-... P I 1171 Tmo l fpr I 43 7.40 7.60 7.80 8.00 m/z 98.10 12.54% 5000

83 27 55 98 0 ■ i ■ ■ । ■ i ■ ■ ■ ■ j > +-H4H - /z-> 10 20 30 40 50 60 70 80 90 100 110120 130 7.40 7.60 7.80 8.00

0129B.D SCAN508.M Mon Feb 04 08:40:58 2002 Page 7

NYC-WTC_000004001

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

NYC-WTC_000004001Source: 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

DEP GCMS data table, Jan-Feb 2002 · Box DEP Box 12

NYC-WTC_000004494

Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.

2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999

machine-extracted · confidence unavailable · Check page ↗
DEP GCMS data table, Jan-Feb 2002 · Box DEP Box 12

NYC-WTC_000004935

Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.

2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998

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 →