Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD28335 conducted on January 9, 2002.
NYC-WTC_000033974–000034002Folder label: “GCMS X 11/20/01 A 11/26/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C: \HPCHEM\ 1 \DATA\ JAN0802\28355A.D Vial: 4 Acq On 8 Jan 2002 6:13 pm Operator: 209 GALOS Sample Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 10 Benzoic acid, 4-ethoxy-, ethyl Concentration Rank 13
R.T. EstConc Area Relative to ISTD R.T.
20.85 4.50 ug/1 2003270 Acenaphthene-dl0 20.39
Hit# Of 5 Tentative ID MW MolForm CAS# Qual
1 Benzoic acid, 4-ethoxy-, ethyl este 194 C11H1403 023676-09-7 96 2 1-Pentanone, 1 - (4 -hydroxyphenyl) - 178 C11H1402 . 002589-71-1 43 3 Benzoic acid, ethoxy-, ethyl ester 194 C11H1403 075333-22-1 43 4 Phenol, 4 -fomyl carbonyl - 150 C8H603 000000-00-0 43 Abundance Scan 1722 (20.850 min): 28355A.D (-) m/z 120.95 100.00% 121
5000 149
93 65 138 166 194 , — , I -.t.,.r 39 I -.. 4.. 4179.. 50 i, 76 84 il 20.60 20.80 21.00 21.20 — - 109 0 TTTTTTTT 1 'I*' m/z 149.00 47.00% miz->__ 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 Abundance #21260: Benzoic acid, 4-ethoxy-, ethyl ester 121
5000 149 J T‘ T’T 20.60 20.80 21.00 21.20 138 194 65 93 166 m/z 194.05 27.64% 27 Tp | , U , i । n j , । , TT , । ( । t J । t TTTTTTTTTTTTTTTTT TT TT TT y < I > TTT 11111 H ■ p n i! i u . p '11 m/z->:20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 Abundance• 41/210; 1-Pentanone. 1-(4-hydroxypheny!)- 121 -------------------- 20.60 20.80 21.00 21.20 5000 m/z 138.05 26.80% 65 93 39 53 77 136 163 miz-s 20 ' 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 Abundance #21246: Benzoic acid, ethoxy-, ethyl ester TTm’mmeermmm 121 20.60 20.80 21.00 21.20 m/z 64.95 20.32% 138 5000 194 29 65 149 39 | 93 — . — 1 166 mmTTTTTTTtTttt TUTUCTCTTTTTTr "TI’T miz-> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 20.60 20.80 21.00 21.20
28355A.D GCMS1126.M Wed Jan 09 09:09:44 2002 Page 10
NYC-WTC_000033991
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_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 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018287
Analytical notes regarding GCMS scan results and LCS standard recoveries for sample AD30986.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036614
Laboratory comments on GCMS scan results for sample AD29466 noting low recovery and scheduling re-extraction.
1 shared topics · similarity 0.998
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 topics · similarity 0.996
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 topics · similarity 0.996
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 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 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 topics · similarity 0.996
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 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 topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018470
Laboratory report showing GC/MS calibration data for polycyclic aromatic hydrocarbons and deuterated standards.
1 shared topics · similarity 0.995
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 topics · similarity 0.995
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_000033704
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000033705
Fragmented page from a GCMS-related record dated between November 20 and 26, 2001, likely part of the WTC environmental monitoring series.
Filed in the same folder
NYC-WTC_000033707
Laboratory report of a GCMS blank analysis for sample AD28143 conducted on November 28, 2001, listing various organic compounds below detection limits.
Filed in the same folder
NYC-WTC_000033723
Calibration record for GCMS instrument 209 using method GCMS1126, dated November 26-28, 2001, listing standard compounds and retention times.
Filed in the same folder
NYC-WTC_000033726
Laboratory report of a GCMS reference analysis for sample AD28143 conducted on November 28, 2001, listing detected compounds and retention times.
Filed in the same folder