Laboratory report noting contamination from the TurboVap concentrator and recovery rates for sample AD28662.
NYC-WTC_000034988–000034999Folder label: “GCMS X 11/24/01 A 12/4/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV2 601\28680.D Vial: 11 Acq On : 28 Nov 2001 3:03 am Operator: 209 GALOS Sample : 11/24 scan 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 5 Trisiloxane, 1,1,1,5,5,5-hexam Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 41.53 2.24 ug/1 202908 Perylene-dl2 37.12 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 43 2 3-Isopropoxy-1, 1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 28 3 1,2-Benzenedicarboxylic acid, bis(t 310 C14H22O4Si2 002078-22-0 25 4 Ethanedioic acid, bis(trimethylsily 234 C8H18O4Si2 018294-04-7 22 Abundance Scan 3974 (41.531 min): 28680.D (-) m/z 73.00 100.00%| 73 147 221 5000 281 355 T"T T T T 429 41.20 41.40 41.60 41.80
mlz-> 43 1‛T 1 1 TTTT T T 50 100 150 191 „ 200 253 250 300 —22—— 350 - 400 450 500 550 m/z 147.00 80.05% Abundance #74103: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet 73 147
_ A 1 4444 --- / Www 5000 281 41.20 41.40 41.60 41.80 m/z 221.0565.97% 45 369 / 117 T TT 207 249 — — m/z-> Pr 50 100 150 TT , TT 1T . 200 250 300 350 400 450 500 550 Abundance #60503: 3-Isopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73 1 1 1 1 1 1 r I 1 ‘ 1 1 1 • 1 ’ ’ 1 ’ * ’ 1 1 41.20 41.40 41.60 41.80 5000 m/z 281.00 35.01% 147
221 281 415 519 561 mz-> • • i •••• i 50 100 150 ..... J...... — —I327,*l"" TTTT 200 250 300 350 1III 400 550 450 500 Abundance #72972:1,2-Benzenedicarboxylic acid, bis(trimethylsi!yl) e ■ ■ l ■ T 147 41.20 41.40 41.60 41.80 m/z 355.05 29.83% 73 / 5000
45 295
m/z—> ,T , —11 1 'i'' 50 100 119 150 1921 200 250 300 350 400 450 500 550 41.20 41.40 41.60 41.80 '
28680.D GCMS1126.M Thu Dec 06 13:13:13 2001 Page 5
NYC-WTC_000034998
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_000034886
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28479 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034808
Laboratory analyst notes on GCMS scan results, recovery rates, and low pH conditions for sample AD28649.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034819
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28666 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034198
Laboratory report detailing GCMS analysis of sample AD28263 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034180
Laboratory report detailing GCMS analysis of sample AD28269 conducted on November 30, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034213
Laboratory report detailing GCMS analysis of sample AD28271 conducted on December 6, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034830
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28666 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034331
Laboratory report documenting GCMS analysis of sample AD28427 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033765
Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033834
Analytical commentary for sample AD28155 dated November 29, 2001, noting detection of bis(2-Ethylhexyl)phthalate and low recovery rates.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004149
Large multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033800
Analytical commentary for sample AD28157 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · 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_000017748
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30357 conducted on January 10, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034198
Laboratory report detailing GCMS analysis of sample AD28263 conducted between November 21 and 26, 2001.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035171
Laboratory report noting low recovery rate and TurboVap contamination for sample AD28677.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033765
Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034331
Laboratory report documenting GCMS analysis of sample AD28427 conducted between November 21 and 26, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017833
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30351 conducted on January 10, 2002.
Similarity score 0.996 (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_000034946
Laboratory report detailing GCMS scan results for sample AD28650, noting phthalate detection and low pH.
Filed in the same folder
NYC-WTC_000034947
Document containing unreadable text or corrupted data from the Department of Environmental Protection archives.
Filed in the same folder
NYC-WTC_000034949
Form detailing Method 508 parameters and sample volume information for environmental testing procedures.
Filed in the same folder
NYC-WTC_000034954
Reference data sheet listing concentrations of volatile organic compounds detected in sample AD28662.
Filed in the same folder
NYC-WTC_000034958
Calibration report showing recovery percentages for various chemical standards used in the GCMS analysis.
Filed in the same folder