Fragmented document page from the Department of Environmental Protection archive regarding WTC site samples.
NYC-WTC_000049880–000049881Folder label: “GCMS X 1/3/02 A 1/17/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Date Extracted 1 3 D Z Method SO Mod- Page (
24 Lab# Description Sample Drip rate Surr SpK IS Final T.V. pH Count —
— vol/wt 0M ml/min add (AL add
•S0 add
I vol. pos. IM 7R QA 4
34 31 12 5§ its 34 C1z 3.A 310i: 3/ -3100 & 21 C31 31037. y
Remarks_____ (cr* GOMC— 1020
ririp rate must be between 5- ml/min for liq-liq extractors 3- pewowed, 7X drip rate -______ , ____ $
Extraction type C0. ASolv.lot# V3 46 C NaCilot# Na2SO4 lot# Y30400 STANDARD INT siD LOG# CALIBRATION _6/SPIKE 19769 MDL/MDRF Q. CHECK 1NT. STD. SURROGATE LPC // noL GCutd 9: ENDRIN/DDT
Analyst Reviewed by is revision 4/12/01 Verified by Date Srei NYC-WTC_000049880
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000050433
Fragmented page containing a document identifier and instructions regarding liquid-liquid extractor drip rates from January 24-25, 2002.
1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050703
Technical log recording method parameters and sample processing details for a DEP laboratory procedure between January 4 and 25, 2002.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051501
Fragmented page from a Department of Environmental Protection laboratory record showing extraction parameters and pH measurements.
1 shared topics · Same agency, volume and box · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051783
Technical log recording method parameters and sample processing details for a DEP laboratory procedure between January 10 and 16, 2002.
1 shared topics · Same agency, volume and box · similarity 0.986
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050999
Document header page containing identification codes and metadata for GCMS files processed in early January 2002.
1 shared topics · Same agency, volume and box · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052018
Fragmented record showing sample volume, drip rates, and surrogate addition fields for environmental testing.
1 shared topics · Same agency, volume and box · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050616
Laboratory report page containing GCMS analysis data for samples processed in early February 2002.
1 shared topics · Same agency, volume and box · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050178
Instrument log sheet recording sample counts and operational parameters for GCMS Method 508 analysis in January 2002.
1 shared topics · Same agency, volume and box · similarity 0.982
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000015739
Record of Method 508d GCMS analysis parameters, calibration checks, and extraction notes for June 2002.
1 shared topics · similarity 0.986
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006011
Page from a Department of Environmental Protection file containing partial text regarding methods and sample counts.
1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009916
GCMS blank sample results for target compounds showing non-detectable levels on February 25, 2002.
1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010678
Fragmented document page likely serving as a header or index for GCMS records within the February 4 to February 27, 2002 timeframe.
1 shared topics · similarity 0.980
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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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_000049879
Department of Environmental Protection GCAS analysis record dated January 3-17, 2002.
Filed in the same folder
NYC-WTC_000049882
Laboratory report listing concentrations of volatile organic compounds including nitrosamines and chlorobenzenes in sample AD31685.
Filed in the same folder
NYC-WTC_000049886
Laboratory report listing concentrations of volatile organic compounds including nitrosamines and chlorobenzenes in sample AD31585.
Filed in the same folder
NYC-WTC_000049891
Laboratory report showing blank analysis results with concentrations below method detection limits for various organic compounds.
Filed in the same folder
NYC-WTC_000049902
Laboratory report showing GCMS analysis of sample AD31585 including unknown compounds and surrogate recovery data.
Filed in the same folder