NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 22/GCMS X 11/24/01 A 12/4/01
Document / 24 pages

GCMS analysis comments for sample AD28677, Dec 2001

Machine-extracted title · confidence 100%

Laboratory report noting low recovery rate and TurboVap contamination for sample AD28677.

NYC-WTC_000035171–000035194

Folder label: “GCMS X 11/24/01 A 12/4/01

Page image
Scanned page image, NYC-WTC_000035182
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\1\DATA\DEC04 01\28677.D Vial: 13 Acq On 5 Dec 2001 12:05 am Operator: 209 GALOS Sample gc/ms 11/24 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 6 Tetracosane Concentration Rank 5

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

31.66 1.55 ug/1 338679 Chrysene-dl2 33.03

Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 Tetracosane 338 C24H50 000646-31-1 94 2 Octadecane 254 C18H38 000593-45-3 91 3 Eicosane 282 C20H42 000112-95-8 91 4 Nonadecane, 2-methyl- 282 C20H42 _______ 001560-86-7 91 Abundance Scan 2900 (31.665 min): 28677.D (-) m/z 57.00 100.00% 57 43 71 85 5000 TIPTPTP 99 144 31.40 31.60 31.80 32.00 0 T’il 4,4,1,147111155169183197211225239253267281 338 111111111111111 m/z 43.. 05 71.14% miz-2 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #73543: Tetracosane 43 57 H ! 71 5000 85 T 1 1. 1 1 31.40 31.60 31.80 32.00 99... m/z 71.00 69.86% ' l« »' *1 •' TIT 1 113127 TTTTTTTTTTTTTTT 155169183197 294 p-rrs-rm rp-n-r-p-m-j- 338 i1 • ■11 i ■ ■ • ■ i • ■ m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #71561: Octadecane 57 43 7i - - -P 31.40 31.60 31.80 32.00 ' 85 m/z 85.05

.A 5000 50.49%

Is! 99 113127141155 "I1' "I"1 • ■ i ■ F : i r ■ ■' r '1111''11 i ■ • • ■ i 224 Iu 254 ——TT i " " i ■ " 111" ' I ■ ■ miz—? 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #39862: Eicosane k r ' ' I 1 । r । | । । rr | ■ ■ i ' ■ 43 57 31.40 31.60 31.80 32.00 71 m/z 41.05 28.64% । 5000 85

99 113127141155 196 240 282 m/z-> JJ ‘ I | rrit | TTTTTIPT] , , TT-rm-j-n -------------------- 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 31.40 31.60 31.80 32.00

28677.D GCMS1126.M Fri Dec 07 15:12:10 2001 Page 6

NYC-WTC_000035182

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

NYC-WTC_000035182Source: 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

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 →