NYC-WTC_000017144
Laboratory report documenting GCMS analysis of sample AD30601 including DDD surrogates on January 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Laboratory report of GCMS analysis for sample AD28860 conducted on December 16, 2001, showing compound identification.
NYC-WTC_000018817–000018829Folder label: “GCMS X 12/17/01 A 12/22 - 12/23/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : M:\INSTRU~1\209\DATA\DEC2701\29735.D Vial: 18 Acq On : 29 Dec 2001 3:45 pm Operator: 209 GALOS Sample : GC/MS 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 3-Isopropoxy-l,l,l,7,7,7-hexam Concentration Rank 4
R.T. EstConc Area Relative to ISTD R.T. 20.28 0.37 ug/1 157332 Acenaphthene-dl0 20.56 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 3-Isopropoxy- 1,l^Z/7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 42 2 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 42 3 3-Isopropoxy-1,1,1,5, 5,5-hexamethyl 354 C12H3404Si4 072182-11-7 23 4 4-Amino-5-imiaazole carboxamide, tr 342 C13H30N4OSi3 000000-00-0 9 Abundance Scan 1660 (20.280 min): 29735.D (-) m/z 73.00 100.00% 73
5000 147 281 327 r. , .9 1- APr । । m/z-> 45 I 50 100 117 T-f-r 150 191,2?1 251 ut Part 1* 200 250 —LG 300 350 400 450 500 550 20.00 20.20 20.40 20.60 rn/z 281.00 34.91% Abundance #60503: 3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73
5000 147 20.00 20'20 20.40 20.60 m/z 147.00 34.45% 271 231 327 415 519 561 j । 1 r !-i । 1""r 1 । 11 rj' r r r j j rer IIIIIII"IIIf m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #52459; Trisiloxane, 1.1.1.5,5.5-hexamethyl-3,3-bis[(trimet 73 147 - • i ■ ■ ■ • i • ' 281 20.00 20.20 20.40 20.60 5000 rn/z 326.90 14.85% 369 207 249 338 miz-> 50 100 150 200 250" 300 ’350 400 450 ’ 500’’550 Abundance #49645: 3-lsopropoxy-1.1,1,5,5,5-hexamethyl-3-(trimethylsil 73 281 20.00 20'20 20.40 20.60 m/z 282.00 9.60% 5000 207 339
1111101133,177,77 50 100 150 200 250 300 * i • • 350 400 450 500 550 20.00 20.20 20.40 20.60
29735.D GCMS1126.M Tue Jan 29 14:27:28 2002 Page 5
NYC-WTC_000018828
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_000017144
Laboratory report documenting GCMS analysis of sample AD30601 including DDD surrogates on January 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018882
GCMS analysis report for sample AD30488 showing detection of unknown compounds and surrogate recovery data from February 8, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018923
GCMS analysis report for sample AD26477 showing detection of unknown compounds and surrogate recovery data from December 21, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017233
Log entry documenting a gas chromatography-mass spectrometry analysis of unknown compounds in sample AD30603 on January 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018898
GCMS analysis report for sample AD26827 showing detection of unknown compounds and surrogate recovery data from December 21, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018858
GCMS analysis report for sample AD30606 showing detection of unknown compounds and surrogate recovery data from February 8, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018870
GCMS analysis report for sample AD30485 showing detection of unknown compounds and surrogate recovery data from February 8, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017192
Record of a gas chromatography-mass spectrometry run for unknown compounds in sample AD30608 performed on January 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017157
Instrument output from a gas chromatography-mass spectrometry scan of sample AD30604 conducted on January 18, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018913
GCMS analysis report for sample AD26830 showing detection of unknown compounds and surrogate recovery data from December 11, 2001.
Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017246
Gas chromatography-mass spectrometry analysis report for sample AD30602 showing detection of 2,4-DDD and other unknown compounds, analyzed January 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036931
GCMS analysis report for sample AD29565 listing unknown compounds and surrogate recovery data from January 22, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000017144
Laboratory report documenting GCMS analysis of sample AD30601 including DDD surrogates on January 22, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017210
Laboratory report documenting GCMS analysis of sample AD30633 including DDD surrogates on January 22, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018882
GCMS analysis report for sample AD30488 showing detection of unknown compounds and surrogate recovery data from February 8, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017246
Gas chromatography-mass spectrometry analysis report for sample AD30602 showing detection of 2,4-DDD and other unknown compounds, analyzed January 22, 2002.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017171
Laboratory report documenting GCMS analysis of sample AD30607 including DDD surrogates on January 22, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017157
Instrument output from a gas chromatography-mass spectrometry scan of sample AD30604 conducted on January 18, 2002.
Similarity score 0.993 (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_000018795
Single-page document containing GCMS data or metadata associated with the WTC site in late December 2001.
Filed in the same folder
NYC-WTC_000018796
Fragmented GCMS data page containing chemical identifiers and numerical values from a December 2001 analysis.
Filed in the same folder
NYC-WTC_000018799
Calibration report listing response factors and concentrations for multiple organic compounds analyzed on December 22, 2001.
Filed in the same folder
NYC-WTC_000018803
Reference data report showing measured versus expected values for organic compounds in sample AD29735.
Filed in the same folder
NYC-WTC_000018808
Blank analysis report confirming no detectable levels of target compounds above the method detection limit.
Filed in the same folder