NYC-WTC_000035745
Laboratory notes indicating re-extraction is required due to low recovery and potential contamination.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Lab report noting bis(2-Ethylhexyl) Sebacate detection and potential laboratory contamination in a water sample.
NYC-WTC_000035755–000035764Folder label: “GCMS X 11/28/01 A 12/7/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
LSC Report - Integrated Chromatogram
File : C: \HPCHEM\ 1 \DATA\DEC0 701\28900.D Operator : 209 GALOS Acquired 7 Dec 2001 6:50 pm using AcqMethod GCMS1126 Instrument : GC/MS 209 Sample Name: 11/28 gc/ms scan Mise Info : Vial Number: 5 Quant File :GCMS1126.RES (RTE Integrator) TIC: 28900.D A20008089
3000000 15.28
2000000 11.67
| 1000000 i 7.60 0- TT 1Bg———=91TT}nT -------- 14.00 15.00 16*00 17.00 ‘ 18.00 19.00 Time-> 6.00 7.00 8.00 9.00 10.00 11.00 12.00 13.00 TIC: 28900.D A20088089
3000000 20.56 24.97
2000000 33.00
1000000 30.05
0- ■ ■ । • ——————————— T i । । । T TTunmmr --------- —*r Time—> 20.00 21.00 22.00 23.00 24.00 25.00 26.00 27.00 28.00 29.00 30.00 31.00 32.00 33.00 TIC 28900 D A2U388ase 35.58
3000000
2000000-
37.10 1000000
0 I 1 1 1 1 1 1 1 36.00 37.00 38*00 39.00 ‘40.00 41*00 4200 43.00’ ‘ 44*00 ‘ 45*00 46*00 147.00 T Time-> 34.00 35.00
28900.D GCMS1126.M Tue Dec 11 16:10:31 2001
NYC-WTC_000035761
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_000035745
Laboratory notes indicating re-extraction is required due to low recovery and potential contamination.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035717
Laboratory notes identifying potential laboratory contamination by specific esters in sample AD28899.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035843
Lab notes for sample AD29190 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035990
Laboratory report noting detection of bis(2-Ethylhexyl)phthalate in sample AD29028 analyzed on December 18, 2001.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035580
GCMS scan results for sample AD28903 dated December 15, 2001, detecting bis(2-Ethylhexyl)phthalate.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035909
Lab notes for sample AD29024 indicate detection of bis(2-Ethylhexyl)phthalate and no unusual compounds.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037269
Gas chromatography-mass spectrometry report documenting analysis of sample AD29964 conducted on January 28, 2002.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035820
Lab notes for sample AD29022 indicate no unusual compounds detected but one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036255
Laboratory analysis report for sample AD29294 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035727
Laboratory notes stating the GCMS scan of sample AD28897 revealed no unusual compounds.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036000
Analysis comments for sample AD29089 reporting no unusual compounds in GCMS scan but noting one compound recovery above acceptance range in LCS Standard.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019070
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30115 conducted on January 9, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000035314
Laboratory report noting detection of bis(2-Ethylhexyl)phthalate in a WTC environmental sample.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018026
Laboratory report documenting GCMS analysis of sample AD28968 conducted on January 9, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019111
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30312 conducted on January 9, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036371
Laboratory GCMS analysis report for sample AD29290 conducted on January 4, 2002, showing unknown compounds.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000032172
Laboratory report documenting GCMS analysis of sample AD26827 identifying unknown compounds on December 21, 2001.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035717
Laboratory notes identifying potential laboratory contamination by specific esters in sample AD28899.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗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_000035662
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000035663
Fragmented document containing method 508 data and sample IDs processed by GCMS in late 2001.
Filed in the same folder
NYC-WTC_000035664
Laboratory data sheet recording GCMS Method 508 analysis of a blank sample for nitrosamines and chlorinated compounds.
Filed in the same folder
NYC-WTC_000035674
Calibration data sheet verifying instrument response for nitrosamines and benzene derivatives.
Filed in the same folder
NYC-WTC_000035678
Document containing calculated reference values for various organic compounds analyzed by GCMS.
Filed in the same folder