NYC Law Department release
Independent mirror · updated as the City releases more · v1.3.3
☕ Buy me a coffee
← Document results/DEP Box 25/GCMS X 4/25/02 A 5/7/02
Document / 30 pages

GCMS analysis results, sample AE09973, May 2002

Machine-extracted title · confidence 100%

Laboratory report for sample AE09973 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044025–000044054

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

Page image
Scanned page image, NYC-WTC_000044035
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\MSDCHEM\l\DATA\050602\9973.D Vial: 21 Acq On 7 May 2002 3:59 am Operator: Mclean Sample 4/25 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 2 Methylene Chloride Concentration Rank 2

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

3.72 0.62 ug/L 443028 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2/91) 2 Methylene Chloride 84 CH2C12 000075-09-2 64 3 Methylene Chloride 84 CH2C12 000075-09-2 64 4 Methylene Chloride 84 CH2C12 000075-09-2/58 Abundance Scan 109 (3.720 min): 9973. D (-97) (-) m/z 49.10 100/00% 49 WWunA 43 84 WWMMww 5000 40 35 59 I ‘ I I I I I I I I I II I *1 'I I I I I I I I I 88 3.40 3.60 3.80 4.00 11113 T-rp- ! > > | I I 1 । !।I|II m/z 43.10 67.44% 1' i " '' r' " r 1111' I H 11111" I'11111 m/z->_____ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 49 84

5000 ■ ■ ■ t ■ ■ ■ ■ । ■ i । । । । ■ ■ • ■ ।

3.40 3.60 3.80 4.00 35 m/z 84.00 67.10% 14 1111 " 1 r 1111 " । 11 2528 I 32 I > | I I 70I | 3841 111111 >1'11 I r i I I I I | I I i i | i >2 I | I I I I | I । I r | । I । । | I I I I '['TTI 'I'| I 88 N wMWmyw m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 84 3.40 3.60 3.80 4.00 5000 m/z 51.05 51.14%

88 m/z-> TTT 14 18 2 24 2831 353841 70 H 1 I I I I I I I I I I I I I I II rrtTT) II II I I

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ■ I H 1' r ■ ■1 r 11' r 1 ■' i'11 ‘ i1'1 T-fTT

Abundance #111039: Methylene Chloride 49 3.40 3.60 3.80 4.00 m/z 86.00 50.25% 84 5000 A HWwhl WWyww// 2831 3538 43 | 152 57 88 TTfT I | i | I i | I r i i [ I r r r | I | I | TTFrft f 1 I | I f I 1 | I | T 67 71 77 | I । । | I L ' । । । I । | । I' । । | । I । I | I i r I 1" h | । । I , | > 1 ! > | I ' I I l i > > I I I I I I f I I I j "I I~ I I I Tl/Z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

9973.D 050102.M Tue May 07 15:51:53 2002 Page 6

NYC-WTC_000044035

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

NYC-WTC_000044035Source: 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 analysis results, sample AE09968, May 2002 · Box DEP Box 25

NYC-WTC_000043938

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

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996

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 →