← Document results/DEP Box 57/GCMS X 3/4/02 A 3/23/02

Document / 2 pages

GCMS extraction log fragment with handwritten notes, Mar 2002

Machine-extracted title · confidence 80%

Fragmented page showing extraction parameters and quality control fields for liquid-liquid extraction procedures.

NYC-WTC_000058240–000058241

Folder label: “GCMS X 3/4/02 A 3/23/02”

Page image

OCR text

OCR status: ok · source: pdftotext

Method Date Extracted Page

Lab# Description [ Sample Drip rata Surr Spk iS Hnal T.V. pH Count vol/wt nd/n^ add add add vol. pos.

31^ /^fL J. faL /juL 4^ </73«y 15 M-

Remarks

i nWmin for liq-liq extractors rate must be between 5-15 1 " drip rate - ^fraction type (soiv.iot# jNaCIlot# t/3 Na2S04lot# ! STANDARD imtWdlog# CAUBRATION REF/SPIKE SSZZ“ -■■' 1 MDL/MDRF .. 0. CHECK INT. STO. surrogate LPC ENDRIN/DDT

^alyst ytlZ- Reviewed by ^vision4/-fwi Verified by Date

NYC-WTC_OOOO5824O

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000058240Source: NYC Law Department, mirrored locally

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GCMS document fragment with quality control data, March 2002 · Box DEP Box 57

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Filed elsewhere

Fragmented DEP document with pH and counts data, Dec 2001 · Box DEP Box 22

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WTC site document header, May 20-22, 2002 · Box DEP Box 18

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Administrative record header for a New York City WTC environmental file dated between May 20 and May 22, 2002.

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DEP laboratory data sheet fragment, Feb 2002 · Box DEP Box 14

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Fragment of a DEP laboratory record page containing identification codes and date stamps from February 22, 2002.

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GCMS extraction log, Oct-Nov 2001 · Box DEP Box 60

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Log sheet recording liquid-liquid extraction parameters and sample processing details for October and November 2001.

1 shared topics · similarity 0.964

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Fragmented document from DEP Box 22 folder · Box DEP Box 22

NYC-WTC_000037084

Partial record fragment from the GCMS folder series in DEP Box 22 with limited visible text content.

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Fragmented document page from DEP Box 21, Dec 2001 · Box DEP Box 21

NYC-WTC_000033559

Single page fragment from a Department of Environmental Protection record dated between November and December 2001.

1 shared topics · similarity 0.962

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GCMS data file header page with method parameters, Dec 2001 · Box DEP Box 21

NYC-WTC_000032689

Header page from a GCMS data file listing method parameters and sample identifiers for December 2001 testing.

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GCMS calibration table for TCLP analysis, April 2002 · Box DEP Box 25

NYC-WTC_000044756

Calibration data file listing standard compounds and response factors for TCLP testing from late April 2002.

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GCMS calibration log sheet, Dec 2001 · Box DEP Box 16

NYC-WTC_000018577

Laboratory log sheet detailing Method 508 extraction and analysis parameters for samples processed in December 2001.

1 shared topics · similarity 0.961

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GCMS calibration data, Nov 2001 · Box DEP Box 21

NYC-WTC_000030680

Chromatogram and calibration data for DFTPP standard used to verify GC/MS instrument performance during environmental analysis.

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GCMS sample record header, March 2002 · page 1 · Box DEP Box 57

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Header page for a GCMS environmental sample record dated March 6, 2002.

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GC/MS analysis results for sample AD23262, Oct 2001 · page 2 · Box DEP Box 67

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Laboratory report documenting GC/MS analysis of sample AD23262 conducted on October 12, 2001.

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Extraction log sheet, September 2001 · page 1 · Box DEP Box 64

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Document containing extraction parameters and analytical notes for NYC 9/11 samples processed between September 18 and September 24, 2001.

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GCMS sample identification label, March 2002 · page 1 · Box DEP Box 57

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Document containing a unique environmental sample identifier code from the New York City World Trade Center archive.

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GCMS scan document with illegible text, Nov 2001 · page 1 · Box DEP Box 60

NYC-WTC_000069268

Document page containing unreadable or corrupted text related to GCMS scanning procedures from November 2001.

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