NYC-WTC_000035052
Laboratory report noting low pH and TurboVap contamination with recovery data for sample AD28691.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Document / 24 pages
GCMS analysis comments for sample AD28677, Dec 2001
Machine-extracted title · confidence 100%Laboratory report noting low recovery rate and TurboVap contamination for sample AD28677.
NYC-WTC_000035171–000035194Folder label: “GCMS X 11/24/01 A 12/4/01”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\HPCHEM\l\DATA\DEC0401\28677.D Vial: 13 Acq On 5 Dec 2001 12:05 am Operator: 209 GALOS Sample gc/ms 11/24 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 15 1,2-Benzenedicarboxylic acid, Concentration Rank 4
R.T. EstConc Area Relative to ISTD R.T.
41.56 1.68 ug/1 289855 Perylene-d12 37.13
Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 1,2-Benzenedi carboxylic acid, bis(t 310 C14H22O4Si2 002078-22-0 14 2 2,6 -Dimethyl- 3,4-bis(trimethylsilyl 311 C15H29NO2Si2 000000-00-0 12 3 Trisiloxane 1,1,1,5,5,5-hexamethyl 384 C12H36O4S15 003555-47-3 12 4 3,6-Dioxa-2 ,4,5,7-tetrasilaoctane, 294 C10H30O2Si4 004342-25-0 12 Abundance 7 Scan 3978 (41.561 min): 28677.D (-) m/ z 73.0.0 100.00% 73 147 221 5000- 281 355 41.20 41.40 41.60 41.80....... m/z-> ........ mtmmm 36 55 , 97 119 .... 1 —.4-259—. .....0 40 60 80 100120140160180 200 220 240 260 280 300 320 340 360 380 400 420 m/z 147.00 69.07% Abundance #72972:1,2-Benzenedicarboxylic-acid, bis(trimethylsily!) e 147 73 5000 41.20 41.40 41.60 41.80 45 295 m/z 220.95 57.71% 119 193 221 miz—> 40 60 80 100120140160180 200 220 240 260 280 300 320 340 360380 400 420 Abundance #44359: 2,6-Dimethyl-3,4-bis(trimethylsilyloxymethyl)pyridi 73 221 TTTBTTuTPTTT 41.20 41.40 41.60 41.80 5000 147 m/z 281.00 30.24% 178 45 296 m — M 1111111 — — । 1111!| 11 l'i । P 111111 ii 1111 n 111 i -
m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420"T Abundance #74103: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet i 73 41.20 41.40 41.60 41.80 147 m/z 207.00 27.03% 5000 - 281 Ao Mo 45 369 m.. 117, ....207+.. ....249 ..... .. -.. miz-> 40 60 80 100120140160180 200 220 240 260280300 320 340 360 380400420 ' 41.20 41.40 41.60 41.80
28677.D GCMS1126.M Fri Dec 07 15:12:55 2001 Page 15
NYC-WTC_000035191
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000035191Source: NYC Law Department, mirrored locally
Related records
Browse subjects →Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
Same-box records
NYC-WTC_000035195
Laboratory report noting low pH and TurboVap contamination with recovery data for sample AD28689.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035072
Laboratory report noting TurboVap contamination and low recovery rate for sample AD28678.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035135
Laboratory report noting di-n-butylphthalate detection and low pH with recovery data for sample AD28694.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034971
Blank test results confirming no detectable contaminants above method detection limits for sample AD28662.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035153
Laboratory report noting TurboVap contamination and recovery data for sample AD28663.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034311
Laboratory report documenting GCMS analysis of sample AD28430 conducted on December 6, 2001.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035008
Laboratory report detailing GCMS scan results for sample AD28669, noting phthalate detection and recovery rates.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035089
Laboratory report noting TurboVap contamination with recovery data for sample AD28693.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
NYC-WTC_000088905
Laboratory report documenting GC/MS analysis of sample AD23503 conducted on October 19, 2001.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000087274
Laboratory report documenting GC/MS analysis of sample AD22652 conducted on October 11, 2001, identifying unknown compounds.
1 shared topics · similarity 0.994
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 0.994
machine-extracted · confidence unavailable · Check page ↗More like this page
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000035195
Laboratory report noting low pH and TurboVap contamination with recovery data for sample AD28689.
Similarity score 0.996 (not a probability)
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.
Similarity score 0.995 (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 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035195
Laboratory report noting low pH and TurboVap contamination with recovery data for sample AD28689.
Similarity score 0.995 (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 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000088905
Laboratory report documenting GC/MS analysis of sample AD23503 conducted on October 19, 2001.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Others also read
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