Correspondence regarding preliminary post-test dioxin wipe sample results and the disposal of previous PAH extractions.
NYC-WTC_000156943–000156969Folder label: “125 CEDAR STREET”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
PSC Analytical Services Certificate of Analysis R02100400 R02100400 R02100400 Client ID: 09A 09A 09A Lab No.: 039054 02 039054 02 039054 02 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix:
Component RDL Units TEF # of Isomers
Dioxins and furans
2,3.7.8-CI4DBF 0.32 pg 3.1 0.31 2,3,7,8-CI4DBD 0.78 <0.78 <0.78 1,2,3,7,8-CI5DBF 0.31 <0.31 <0.015 2,3.4,7.8-CI5DBF 0.24 0.69 0.35 1,2.3,7,8-CI5DBD 0.81 <0.81 <0.41 1,2,3,4.7,8-CI6DBF 1.0 <1.0 <0.10 1,2,3,6,7,8-CI6DBF 1.0 <1.0 <0.10 2,3,4,6,7,8-CI6DBF 1.2 <1.2 <0.12 1,2,3,7,8,9-CI6DBF 1.3 <1.3 <0.13 1,2,3,4,7,8-CI6DBD 0.53 <0.53 <0.053 1,2,3,6,7,8-CI6DBD 0.50 <0.50 <0.050 1,2,3,7,8,9-CI6DBD 0.49 <0.49 <0.049 1,2,3,4,6,7,8-CI7DBF 14 <14 <0.14 1,2,3,4,7,8,9-CI7DBF 1.4 <1.4 <0.014 1,2,3,4,6,7,8-CI7DBD 1 2.5 0.025 1,2,3,4,6,7,8,9-CI8DBF 0.86 4.2 0.0042 1,2,3,4,6,7,8,9-CI8DBD 1 30 0.030
TEF pg 0.71 MAXTEF <2.7
ZT4CDF 0.32 pg 6.8 5 ZP5CDF 0.31 1.3 2 2H6CDF 1.0 <1.0 0 n ZH7CDF 16 <16 0 n OCDF 0.86 4.2 1 ZT4CDD 0.53 0.70 1 2:P5CDD 0.81 <0.81 0 EH6CDD 0.53 3.5 1 SH7CDD 1 5.5 2 n OCDD 1 30 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 97 2,3,7,8-T4CDD-13C12 77 1,2,3,7,8-P5CDF-13C12 73 1,2,3,7,8-P5CDD-13C12 64 1,2,3,6,7,8-H6CDF-13C12 69 1,2,3,6,7,8-H6CDD-13C12 80 1,2,3,4,6,7,8-H7CDF-13C12 59 1,2,3,4,6,7,8-H7CDD-13C12 76 OCDD-13C12 52
Certificate No:2J0573 file # =R02100400 prelim report nh Page 9 of 20 Revision No. 0
NYC-WTC_000156955
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_000157006
Correspondence submitting final dioxin wipe sample results and requesting electronic delivery of the final report.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000155231
EPA technical review of dioxin laboratory results identifying missing TEQ calculations and requesting proper reporting units and health-based benchmark comparisons.
4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.943
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000155036
Cover page for a Federal Emergency Management Agency transmission concerning the recovery efforts at 114 Liberty Street.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.943
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.941
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000130104
Chain of custody document from PSC Analytical Services regarding the receipt and analysis of samples for the DEP cleanup project.
6 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000162576
Forwarding an updated HVAC status spreadsheet with added quadrant columns and explanations for system information reporting.
5 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000100952
Administrative document serving as a section header or index for the JLC Environmental reports collection.
5 shared non-person entities · 1 shared topics · similarity 0.942
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · 1 shared topics · similarity 0.942
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.941
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000096708
Application detailing scope of work for asbestos abatement and interior cleaning at a WTC site building.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000096708
Application detailing scope of work for asbestos abatement and interior cleaning at a WTC site building.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000096708
Application detailing scope of work for asbestos abatement and interior cleaning at a WTC site building.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000096708
Application detailing scope of work for asbestos abatement and interior cleaning at a WTC site building.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000096708
Application detailing scope of work for asbestos abatement and interior cleaning at a WTC site building.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000096708
Application detailing scope of work for asbestos abatement and interior cleaning at a WTC site building.
Similarity score 0.999 (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.
Notice from the New York City Law Department instructing staff to preserve original World Trade Center documents for potential legal actions.
Filed in the same folder
Filed in the same folder
Filed in the same folder
Correspondence requesting a formal letter requiring the sealing of firebrick walls at 125 Cedar Street to allow for reoccupancy.
Filed in the same folder
NYC-WTC_000156799
Correspondence documenting contractor actions to remove back panels behind bookshelves for cleaning without damaging shelving units.
Filed in the same folder