Follow-up report documenting re-extraction of sample AD29232 which maintained low recovery rates despite re-processing.
NYC-WTC_000036184–000036198Folder label: “GCMS X 12/3/01 A 12/10/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\DEC1001\29232.D Vial: 16 Acq On : 11 Dec 2001 1:22 am Operator: 209 GALOS Sample : gc/ms scan 12/3 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 1 Silane, tetramethyl- Concentration Rank 3
R.T. EstConc Area Relative to ISTD R.T.
7.61 2.06 ug/1 567250 1,4-Dichlorobenzene-d4 11.67
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 23 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 1,3-Dioxolane, 2-pentadecyl- 284 C18H36O2 004360-57-0 9 4 Pentane, 3-methoxy- Abundance 73 Scan 280 (7.611 min): 29232.D (-) 102 C6H140 m/z T[Q 036839-67-5 9
5000 43 I 1 1 » ‘ ( Ta l r TTpngr l' 7.20 7.40 7.60 7.80 8.00 87 103............................ ........................... ................ , —4 m/z 43.05 26.16% m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #62932: Silane, tetramethyl- 73
5000 11 ... । i i r. TETTIII ■ • i ■ • 7.20 7.40 7.60 7.80 8.00 45 m/ z 41.00 1 0.02% ■ 15 ■ ■ • i ■ J ,59 TIT r’M ‘ 88 T-p-r-r II T I ’ “ ’ I ’ 1 ‘ ’ i T miz-> 20 40 60 80 100 120 140 180 180 200 220 240 260 280 Abundance #292. N-Ethylformamice 30 73 -PITYPPPTTR 7.20 7.40 7.60 7.80 8.00 5000 m/z 44.90 9.56% 44 58 • 15 1. t. * • • i ’ ’k TIT m/z-2 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance 73 #40191:1,3-Dioxolane, 2-pentadecyl- = TP r — 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.42% 5000
3 ...................... 86 99 256 283 ‘I1T ... f.... I. I.... I... 11.... 1.... I । I : TT ii i t । i i i T j i : TBy lii : ITTT T j i i T IB 5 I T J J I » I j I I I » | i i I I j I I miz-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 7.20 7.40 7.60 7.80 8.00
29232.D GCMS1126.M Fri Dec 14 16:11:11 2001 Page 1
NYC-WTC_000036195
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000036000
Analysis comments for sample AD29089 reporting no unusual compounds in GCMS scan but noting one compound recovery above acceptance range in LCS Standard.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035820
Lab notes for sample AD29022 indicate no unusual compounds detected but one LCS compound outside acceptance range.
Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036447
Laboratory report documenting GCMS analysis of sample AD29459 conducted on January 4, 2002, showing unknown compounds and surrogates.
Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036425
Laboratory report documenting GCMS analysis of sample AD29457 conducted on January 4, 2002, showing unknown compounds and surrogates.
Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034289
Gas chromatography-mass spectrometry analysis of sample AD28432 conducted November 30, 2001, detecting other unknown compounds with results referenced in comments.
Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036029
Laboratory report noting GCMS scan results for sample AD29140 with one compound recovery outside acceptance range.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036360
Laboratory GCMS analysis report for sample AD29289 conducted on January 4, 2002, showing unknown compounds and surrogates.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036480
Laboratory report documenting GCMS analysis of sample AD29462 conducted on January 4, 2002, showing unknown compounds and surrogates.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036126
Laboratory report noting GCMS scan results for sample AD29287 with one compound recovery outside acceptance range.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035967
Laboratory report documenting GCMS scan results for sample AD29138 with no unusual compounds detected.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036469
Laboratory report documenting GCMS analysis of sample AD29461 conducted on January 4, 2002, showing unknown compounds and surrogates.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019111
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30312 conducted on January 9, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000036040
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000036041
Fragmented document page from DEP Box 22 containing partial text regarding GCMS procedures or logs.
Filed in the same folder
NYC-WTC_000036044
Technical form recording method parameters, drip rates, and analytical data for GCMS testing procedures.
Filed in the same folder
NYC-WTC_000036055
Laboratory report listing detection limits for various organic compounds in a GCMS blank sample run on December 18.
Filed in the same folder
NYC-WTC_000036059
Calibration report detailing response factors for standard compounds used in GCMS analysis of sample AD29135.
Filed in the same folder