NYC-WTC_000046383
Technical log recording method parameters and sample processing details for a DEP laboratory procedure between April 17 and 26, 2002.
1 shared topics · similarity 0.966
machine-extracted · confidence unavailable · Check page ↗Form recording liquid extractor drip rates and pH values for sample processing at the Department of Environmental Protection laboratory.
NYC-WTC_000015834–000015837Folder label: “508 X 5/10/02 5/14/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Method 508 PC Checklist
Batch # $508-/2523/ab/)a 1 .Calibration: 3 levels IC %RSD within 20% ()F (icy) within 20% of T.V. F
CCV in the beginning of the sequence, within 20% of T.V. P F CCV, after 8 hours, within 20% of T.V. P F CCV at the end of the sequence, within 20% of T.V. F
2. Extraction: within 7 days of collection F
3. Injection: within 14 days of extraction F
4. Endrin/DDT breakdown: <20% F
5. LPC standard: S/N F PGF F Resolution F
6. Surrogate recoveries: Samples that failed:
Samples that failed and were reanalyzed:
7. LRB: F
8.FB: P F it needed
9. LFB/batch: @F 10. LFM/batch: F Agency: 627
11. LFM dupe/batch: ® F Agency:
12. PC: within 20% of T.V. P Ft Not needed
13. Duplicate samples: List positive samples which were reextracted
14. Problems were encountered: No Yes What type: 15. Comments:
Analyst' Supv. Decision Approved IC: initial calibration LPC: laboratory performance check LFB: laboratory fortified blank CCV: continuing calibration verification FB: field blank LFM: laboratory fortified matrix ICV: initial calibration verification LRB: laboratory reagent blank QC: quarterly check
Rev. 05/13/02 MN
NYC-WTC_000015835
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.
No available related records indexed in this group.
NYC-WTC_000046383
Technical log recording method parameters and sample processing details for a DEP laboratory procedure between April 17 and 26, 2002.
1 shared topics · similarity 0.966
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048221
Header page for a GCMS laboratory record dated April 9-17, 2002, associated with sample AE08260.
1 shared topics · similarity 0.965
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000057145
Index or cover sheet for PCB analysis files covering the period from November 15 to December 13, 2001.
Similar document embedding; no shared entity or topic indexed. · similarity 0.965
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045683
Fragmented lab record documenting drip rates, volumes, and pH measurements for environmental samples in May 2002.
1 shared topics · similarity 0.964
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024744
Index or cover page for the GCMS document series covering samples from May 14 to May 17, 2002.
1 shared topics · similarity 0.964
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048082
Fragmented document page containing metadata and identifiers related to GCMS testing procedures from early April 2002.
1 shared topics · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022491
Administrative record header for a New York City WTC environmental file dated between May 17 and May 21, 2002.
1 shared topics · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024282
Fragmented OCR text from a GCMS documentation header page covering environmental samples analyzed in mid-May 2002.
1 shared topics · similarity 0.962
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000040165
Fragmented document header from the DEP Box 23 archive regarding GCMS analysis of World Trade Center site samples.
1 shared topics · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024530
Single-page document containing a GCMS file identifier and reference number from the May 2002 testing batch.
1 shared topics · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025495
Laboratory log sheet recording Method 608 extraction parameters and sample counts for sample AE11423 in May 2002.
1 shared topics · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000047429
Technical sheet listing method parameters, drip rates, and quality control metrics for GCMS analysis performed in early April 2002.
1 shared topics · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000006702
Document recording Method 508 extraction details including drip rates and pH values from October 2001.
Similarity score 0.984 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006600
Document header page containing archival reference numbers and dates from the November 2001 collection.
Similarity score 0.977 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000149346
A chain of custody cover sheet for air monitoring samples sent to the EPA Region 1 laboratory in January 2003.
Similarity score 0.936 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000092163
Computer-generated sequence list detailing sample injection order and compound analysis targets.
Similarity score 0.935 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044756
Calibration data file listing standard compounds and response factors for TCLP testing from late April 2002.
Similarity score 0.934 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009423
Label sheet for environmental samples processed by the DEP Labs in February 2002.
Similarity score 0.933 (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_000015833
Fragmented DEP record from May 2002 with unreadable text regarding World Trade Center environmental activities.
Filed in the same folder
NYC-WTC_000015838
Report detailing resolution and signal-to-noise metrics for gas chromatography-mass spectrometry method performance validation.
Filed in the same folder
NYC-WTC_000015849
Gas chromatography-mass spectrometry results for the detection of Endrin and DDT pesticides in environmental samples.
Filed in the same folder
NYC-WTC_000015854
Gas chromatography-mass spectrometry results for the detection of organochlorine pesticides including Aldrin and Dieldrin.
Filed in the same folder
NYC-WTC_000015863
Summary of gas chromatography-mass spectrometry results for multiple pesticides showing average concentrations and percent relative standard deviation.
Filed in the same folder