Laboratory commentary noting low recovery and acidic pH for sample AD29187, recommending re-extraction and re-analysis on January 4, 2002.
NYC-WTC_000036513–000036529Folder 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\l\DATA\DEC1301\29187.D Vial 6 Acq On : 13 Dec 2001 2:44 pm Operator 209 GALOS Sample : gems scan 12/6 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 9 Heneicosane Concentration Rank 3
R.T. EstConc Area Relative to ISTD R.T.
36.26 1.85 ug/1 434323 Perylene-dl2 37.10
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Heneicosane 296 C21H44 000629-94-7 91 2 Tetratetracontane 619 C44H90 007098-22-8 91 3 Hexatriacontane 507 C36H74 000630-06-8 91 4 Heneicosane, 11-(1-ethylpropyl)- 366 C26H54 055282-11-6 91 Abundance Scan 3400 (36.259 min): 29187.D (-) m/z 57.0.0 100.00% 57 i 5000 85 ________________________
miz-> 4113141 183210 239267 50 100 150 200 250 300 350 400 450 500 550 600 36.00 36.20 36.40 36.60 m/z 43.7 65.67% Abundance #42201: Heneicosane 57 | 85 5000 - I I 36.00 36.20 36.40 36.60 m/z 71.0 62.22% 113.
miz-> ' ■ I ' 50 100 L41 150 200 250 268296 300 350 400 450 500 550 600 Abundance #74745: Tetratetracontane 57 — . ■ ■ i ■ ■1 1 r1 36.00 36.20 36.40 36.60 5000 85 m/z 85.0.0 45.78%
_ 1113141....................................463491 519547,591618 m/z-> 50 100 150 200 250 300 350 400 450 500 550 600 'Abundance #59136: Hexatriacontane 57 36.00 36.20 36.40 36.60 m/z 41.00 24.42% 5000 85
— 113141 4i '■ 239 379407435 478506 m/z—> 50 100 150 200 250 300 350 400 450 500 550 600 | 36.00 36.20 36.40 36.60
29187.D GCMS1126.M Fri Dec 21 13:06:39 2001 Page 9
NYC-WTC_000036528
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_000036542
Laboratory commentary noting detection of bis(2-Ethylhexyl)phthalate in sample AD29520 and blank on January 25, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036815
GCMS analysis report for sample AD29667 listing unknown compounds and surrogate recovery data from January 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036530
Laboratory commentary confirming no unusual compounds detected in sample AD29521 during GCMS scan on January 4, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036842
GCMS analysis report for sample AD29670 listing unknown compounds and surrogate recovery data from January 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037457
Laboratory analysis report for environmental sample AD29929 showing GCMS results and surrogate compound recovery rates.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037040
Laboratory report of GCMS analysis for sample AD29784 conducted on January 7, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036995
Laboratory report of GCMS analysis for sample AD29787 conducted on January 7, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035876
Lab notes for sample AD29087 indicate detection of bis(2-Ethylhexyl)phthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018123
Automated laboratory log recording GCMS analysis of sample AD30696 including detection of unknown compounds and surrogates.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049745
GCMS analysis report for sample AD31641 conducted on February 11, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018107
Automated laboratory log recording GCMS analysis of sample AD30695 including detection of unknown compounds and surrogates.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018624
Laboratory report documenting gas chromatography mass spectrometry results for sample AD30904 conducted on January 28, 2002.
1 shared topics · similarity 0.994
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