NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 15/GCMS X 6/7/02 A 6/10/02
Document / 29 pages

GCMS surrogate recovery report, sample AE12283, June 2002

Machine-extracted title · confidence 100%

Report documenting the recovery percentage of the 2,4-DDD surrogate standard used to validate gas chromatography-mass spectrometry analysis.

NYC-WTC_000015696–000015724

Folder label: “GCMS X 6/7/02 A 6/10/02

Page image
Scanned page image, NYC-WTC_000015704
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\l\DATA\0610022\12283.D Vial: 11 Acq On : 10 Jun 2002 7:10 pm Operator: Sample : gc/ms scan 6/7 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C: \DATABASE\NIST98 . L ********************************************************************* Peak Number 1 Butanoic acid, methyl ester Concentration Rank 18

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

3.48 0.35 ug/L 277894 1,4-dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 50 2 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7/50 3 Butanoic acid, methyl- ester 102 C5H10O2 000623-42 50 4 Butane, 2,2-dimethyl- 86 C6H14 000075-83-2 9 Abundance Scan 68 (3.479 min): 12283.D (-65) (-) m/z 43.05 100.00% 43 74

5000 49 59 87 36 । 3.20 3.40 3.60 3.80 0! 220 IL—+L1....... PI m/z 74.10 83.63% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109994: Butanoic acid, methyl ester 43 74

5000 27 3.20 3.40 3.60 3.80 15 59 m/z 71.10 62.25% 87

miz-> 0! ' ■ i '-I1' ■ i ■ 10 20 30 33 34, 1,1/53,4 T 40 50 69 70 60 80 ■ ■ i ■ ■ ■ 1 i ' ■ 90 102 TITTTT 100 110 Abundance #109995: Butanoic acid, methyl ester 43 f J 74 320 3.40 3.60 3.80 5000 27 m/z 59.10 25.19% 15 59 87 , .I .33 38 | 69 I 102 01 TTprf --- 1‘r 1531,-1 .... 170 80 *’1141 11/4/I a 90 100 110 miz-> 10 20 30 40 50 60 Abundance #109993: Butanoic acid, methyl ester 43 74 3.20 3.40 3.60 3.80 m/z 49.10 .24.82% 5000 27 59 87 69 102 0 ............ .. 111(53 nni ■ ' 1‘| I’IIIIII 1. miz-> 10 20 30 40 50 60 70 80 90 100 110 3.20 3.40 3.60 3.80

12283.D 060302.M Tue Jun 11 08:23:32 2002 Page 4

NYC-WTC_000015704

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

NYC-WTC_000015704Source: 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 →