Laboratory comments on GCMS scan results for sample AD29466 noting low recovery and scheduling re-extraction.
NYC-WTC_000036614–000036644Folder label: “GCMS X 12/6/01 A 12/12/01 - 12/13/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\HPCHEM\1\DATA\JAN0802\29466.D Vial: 6 Acq On 8 Jan 2002 5:14 pm Operator: 209 GALOS Sample Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\l\METHCDS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 12 3-Isopropoxy-1,1,1,7,7,7-hexam Concentration Rank 7
R.T. EstConc Area Relative to ISTD R.T.
30.09 19.68 ug/1 6354560 Chrysene-dl2 32.84
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 3-Isopropoxy-1, X,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 30 2 2-Hexenedioic cid, bis(trimethylsi 288 C12H2404Si2 055494-10-5 23 3 Butanoic acid, 3-methyl-2-[(trimeth 262 CllH26O3Si2 055124-92-0 23 4 Ethanedioic a cid, bis(trimethylsily 234 C8H18O4Si2 018294-04-7 23 Abundance Scan 2728 (30.090 min): 29466.D (-) m/z 73.op 100.00% 73 A 5000- 147 221 ....... —........ 355
m/z-> 45 T T■ ■ i ■ ■ 50 100 117 150 ul 249, L 327, . 401 429 200 250 281
300 350 1I——mmRT 400 450 500 550 29.80 30.00 30.20 30.40 m/z 147.00 38.67% Abundance #60503: 3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73
5000 II" 147 29.80 30.00 30.20 30.40 m/ Z 221.00 23.77% , 2 , 2 , , 327 ...... . ■ . ..... 519 561 m/z—> 50 100 150 200 250 300 350 400 450 500 550 Abundance #40777: 2-Hexenedioic acid, bis(trimethylsilyl) ester, (E)- 73 ----- 29.80 30.00 30.20 30.40 5000 m/z 355.05 15.84% 147 45 I ,! 112 I 244 273 ‘m m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #71782: Butanoic acid, 3-methyl-2-[(trimethy1silyl)oxy]-, t t 73 29.80 30.00 30.20 30.40 145 m/ Z 2 81.0.0 13.88% 5000-
45 | , I 117, 4190218 247............... .. • 1 i ■ ■ ■ ■ । ■ • ..................I ' ' miz-> 50 100 150 200 250 300 350 400 450 500 550 29.80 30.00 30.20 30.40
29466.D GCMS0103.M Wed Jan 09 16:16:49 2002 Page 12
NYC-WTC_000036635
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_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 · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033974
Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD28335 conducted on January 9, 2002.
1 shared topics · similarity 0.998
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 · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018287
Analytical notes regarding GCMS scan results and LCS standard recoveries for sample AD30986.
1 shared non-person entities · 1 shared topics · similarity 0.997
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 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017854
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30252 conducted on January 10, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017703
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30425 conducted on January 10, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018492
Laboratory report showing GC/MS calibration data for polycyclic aromatic hydrocarbons and deuterated standards.
1 shared non-person entities · 1 shared topics · similarity 0.996
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 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017724
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30426 conducted on January 10, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018445
Laboratory report showing GC/MS calibration data for polycyclic aromatic hydrocarbons and deuterated standards.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018519
Laboratory report showing GC/MS calibration data for polycyclic aromatic hydrocarbons and deuterated standards.
1 shared non-person entities · 1 shared topics · similarity 0.996
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_000036491
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000036492
Fragmented page from a DEP environmental sampling record containing partial text and data fields.
Filed in the same folder
NYC-WTC_000036494
Laboratory calibration data sheet for GCMS analysis of organic compounds including nitrosamines and chlorobenzenes dated December 13, 2001.
Filed in the same folder
NYC-WTC_000036498
Laboratory report detailing GCMS calibration analysis for various organic compounds including nitrosamines and chlorobenzenes conducted on December 13, 2001.
Filed in the same folder
NYC-WTC_000036503
Laboratory report documenting GCMS blank analysis for organic compounds conducted on January 4, 2002, showing results below detection limits.
Filed in the same folder