Laboratory report documenting GCMS analysis of sample AD26204 with unidentified compounds detected.
NYC-WTC_000031129–000031158Folder label: “GCMS X 11/2/01 A 12/1/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\DEC0401\26205.D Vial: 68 Acq On 4 Dec 2001 10:25 am Operator: 209 GALOS Sample : 11/2 gc/ms Inst GC/MS 209 .:
Misc Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\NP112601.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 17 Mercaptoacetic acid, bis(trime Concentration Rank 11
R.T. EstConc Area Relative to ISTD R.T. --------------------------------------------------------------------- 34.39 1.38 ug/l 381144 Chrysene-d12 33.04
Hit# of 5 Tentative ID MW MolForm CAS# Qua]. --------------- ----------------------------------------------------- 1 Mercaptoace is acid, bis(trimethyls 236 C8H2002SSi2 006398-62-5 23 2 1,1,1,5,7; ,7-Heptamethyl-3,3-bis(t 444 C13H4005Si6 038147-00-1 17 3 3-Isopro xy-I,1,1,7,7,7-hexamethyl 576 C18H52O7Si7 071579-69-6 12 4 Benzoic acid, 2,6-bis[(trimeth lsil 370 C16H3004S13 003782-85-2 i0 ndance Scan 3196 (34.387 min): 26205.D (-) m z 73. 00 100. 00%
147 5000 221 281 35̀5 429 34.00 34.20 34.40 34.60 34.80 45 117 191 249 327 401 m/z 147.00 57.83% -> 50 100 150 200 250 300 350 400 450 500 550 bundance #30949: Mercaptoacetic acid, bis(trimethylsilyl)- 147
-r fl - r1tyr1 5000 34.00 34.20 34.40 34.60 34.80 221 m/z 221.05 36.70% 45 104 11 -> 50' 100 150 250 300 350 400 450 500 550 Ibundance #56714:1,1,1,5,7,7,7-Heptamethyl-3,3-b18(trimethyisiloxy)t
34.00 34.20 34.40 34.60 34.80 147 m/z 354.95 22.50% 5000 267 429 207
1 1 1 , 1 11 1 1 1 , , ,, ,, i l , ,
50 100 150 200 250 300 350 400 450 500 550 bundance #60503: 3-Isopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5tris(fim 34.00 34.20 34.40 34.60 34.80 m/z 281.00 19.70%
5000 147
221 281 327 415 519 561 I I I 1 I I I I I I I ' n/i-> 50 100 150 200 250 300 350 400 450 500 550 34.00 34.20 34.40 34.60 34.80
26205.D NP112601.M Tue Dec 04 15:59:08 2001 Page 17
NYC-WTC 000031154
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000031088
Gas chromatography-mass spectrometry analysis of environmental sample AD26202 conducted Dec 5, 2001, identifying unknown compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033911
Calibration data sheet recording response factors and retention times for standard compounds used in GCMS TCLP analysis on November 26-27, 2001.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068413
Laboratory report documenting GCMS analysis of sample AD24431 conducted on November 7-9, 2001, identifying unknown compounds.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017748
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30357 conducted on January 10, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036162
Laboratory report noting GCMS scan results for sample AD29231 with phthalates detected and low recovery requiring re-analysis.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000088905
Laboratory report documenting GC/MS analysis of sample AD23503 conducted on October 19, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019130
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30256 conducted on January 9, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018546
Laboratory report showing GC/MS calibration data for polycyclic aromatic hydrocarbons and deuterated standards.
1 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000087274
Laboratory report documenting GC/MS analysis of sample AD22652 conducted on October 11, 2001, identifying unknown compounds.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069215
Laboratory report documenting GCMS analysis of sample AD25038 conducted on November 19, 2001, noting violations and unknown compounds.
1 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017833
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30351 conducted on January 10, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017808
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30352 conducted on January 10, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check 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.
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.
NYC-WTC_000030966
Single-page GCMS document identifier from the Environmental Protection Department archive covering late 2001 testing records.
Filed in the same folder
NYC-WTC_000030967
Administrative record of GCIMS scanning operations for World Trade Center environmental samples between November and December 2001.
Filed in the same folder
NYC-WTC_000030969
Laboratory report documenting GCMS analysis of sample AD26129 conducted on December 3, 2001.
Filed in the same folder
NYC-WTC_000030980
Laboratory report documenting GCMS analysis of sample AD26128 conducted on December 3, 2001.
Filed in the same folder
NYC-WTC_000030992
Laboratory report documenting GCMS analysis of sample AD26130 conducted on December 3, 2001.
Filed in the same folder