Laboratory commentary noting moderate recovery rates and absence of unusual compounds in sample AD28273.
NYC-WTC_000034235–000034248Folder label: “GCMS X 11/21/01 A 11/27 - 11/28/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File C:\HPCHEM\l\DATA\DEC0501\28273.D Vial: 5 Acq On 5 Dec 2001 4:33 pm Operator: 209 GALOS Sample re extract 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 N-Ethylformamide Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.64 3.38 ug/1 779133 1,4-Dichlorobenzene-d4 11.71 Hit# Of 5 Tentative ID MW MolForm CAS# Qual I N-Ethyl formami de 73 C3H7NO 000627-45-2 9 2 1, 3-Dioxolane, 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 3 Pentane, 3-methoxy- 102 C6H14O 036839-67-5 9 4 1-Butanamine, 3-methyl-_________ 87 C5H13N 000107-85-7 7 Abundance 4 Scan 283 (7,645 min): 28273.D (-) m/z 73.00 100.00% 73
5000 43 ■■■'i ■■ r11■’’■ i ' I ' ' ।
87 103 7.40 7.60 7.80 8.00 | | 55 . 207 -mmmm Ip n |. 1 .1 11... |.... |....|.|u..|....|....|....|....|....|....r.. m/z 42.95 26.46% m/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #292: N-Ethylformamide 33 73
5000 ■ ■ ■ ■ i ■ ■ 1 1 I ' 1 1 1 1 1 1 1 1 I 1 1 1 44 58 7.40 7.60 7.80 8.00 m/z 41.00 10.02%
m/z-> m-15 'i.. 11., H.... ।.... ।..111111. ।....।....।....।...11.........111111H. 11111 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #49423:1,3-Dioxolane, 2-(3-bromo-5,5,5-trichloro-2,2-dimet 73 ---------- , I....................... ........................
7.40 7.60 7.80 8.00 5000 m/z 44.95 9.89% 45
mfe-> nr"”T""i +4,55, 109 H TUIETATT’T 11ii.।.... ।.... ।.... 11 ii,।....।.... ।... 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 —.................... — Abundance #1793: Pentane, 3-methoxy- . . । Trt i । . . . 73 7.40 7.60 7.80 8.00 m/z 71.00 6.99% 5000- 45
27 55 ........... I I ”'' r111 TTTTH npmmm T"TUTTUTTICTUUTITTTTTTTTTTTTTTTT ■ ■ i ■ ■ r r i ’ 1 1 ■ i ■ ■ ■ ■ i ■ ' m/z—> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 7.40 7.60 7.80 8.00
28273.D GCMS1126.M Thu Dec 06 08:51:43 2001 Page 1
NYC-WTC_000034242
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000034289
Gas chromatography-mass spectrometry analysis of sample AD28432 conducted November 30, 2001, detecting other unknown compounds with results referenced in comments.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036184
Follow-up report documenting re-extraction of sample AD29232 which maintained low recovery rates despite re-processing.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034258
Laboratory report documenting GCMS analysis of sample AD28473 conducted between November 21 and 26, 2001.
1 shared non-person entities · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034759
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28595 analyzed in early December 2001.
1 shared topics · Same agency, volume and box · similarity 0.997
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.
1 shared topics · Same agency, volume and box · similarity 0.997
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.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035808
Laboratory analysis notes for sample AD29023 indicating no unusual compounds detected in GCMS scan; one of forty-three compounds in quality control standard outside acceptance rang
1 shared topics · Same agency, volume and box · similarity 0.996
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.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034908
Repeat gas chromatography-mass spectrometry analysis of sample AD28596 after re-extraction, confirming bis(2-Ethylhexyl)phthalate at 0.36 ug/L with improved standard recovery of 89
1 shared topics · Same agency, volume and box · similarity 0.996
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.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036278
Laboratory analysis report for sample AD29296 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033874
Laboratory report detailing GCMS scan results and recovery rates for environmental sample AD28147 analyzed in December 2001.
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.
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NYC-WTC_000034154
Single page of raw GCMS data or header information from samples tested in late November 2001.
Filed in the same folder
NYC-WTC_000034155
Technical data sheet recording instrument parameters and calibration details for GCMS Method 508 analysis conducted in November 2001.
Filed in the same folder
NYC-WTC_000034156
Instrument sequence log listing calibration standards and sample IDs processed between November 26 and 30, 2001.
Filed in the same folder
NYC-WTC_000034160
Laboratory report of a method blank analysis for sample AD28263 conducted on November 26, 2001.
Filed in the same folder
NYC-WTC_000034168
Laboratory report of GCMS calibration data for sample AD28263 conducted on November 26, 2001.
Filed in the same folder