OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
3. Wipe samples shall be collected before and after cleaning for lead, mercury, dioxin, and PAHs.
Prior to the cleaning activities, three wipe samples shall be collected for each of these parameters in each apartment. The sampling locations shall be a wall, a bare floor, and a counter or tabletop.
After cleaning activities, three wipe samples shall be collected for each of these parameters in each apartment. The sampling locations shall be a wall, a bare floor, and a counter or tabletop; preferably at the same location as the pre-cleaning samples.
4. The required sampling and analytical procedures are specified in Table 1.
Table 1: Sampling and Analytical Methods Parameter Description Sampling Methodology Analytical Method________ Lead Wipe samples HUD Appendix 13.1 EPA Method SW-846-6010B PAHs Wipe samples ASTM D6661-01 ASTM-6661-01 EPA SW-846-8270C Dioxin Wipe samples ASTM 6661-01 ASTM 6661-01 EPA Method SW-846-8290 Fibrous Glass Air samples NIOSH 7400 NIOSH 7400, Counting Method “B” Crystalline Silica Air samples NIOSH 7500 NIOSH 7500 (XRD) Mercury Wipe samples HUD Appendix 13.1 EPA Method SW-846 7471A
Asbestos Air Sample Collection and Analysis
1. All asbestos air samples collected during clean-up activities shall be analyzed via TEM. The method of analysis and sampling methodologies shall be in accordance with the applicable sections of Title 15, Chapter 1 of the Rules of the City of New York, and AHERA.
2. A turnaround time of 24 hours is required for all samples.
3. Asbestos clearance air samples shall be analyzed in accordance with the NIOSH 7400 Method, and analyzed by PCM followed by TEM. The laboratory shall report a PCMe value of all fibers greater than 5 microns in length. Therefore, the lab shall report PCM, TEM and PCMe values for each sample.
Asbestos Air Monitoring
1. Ata minimum, five (5) TEM samples shall be collected per day during cleanup activities.
2. Samples shall be collected at isolation barriers outside the work area, the clean room of the worker/waste decontamination facility, and outside of the building.
3. Sample collection during clean up activities shall be in accordance with Title 15, Chapter 1 of the Rules of the City of New York (RCNY) and AHERA regarding documentation, sample locations, rate of flow, and required volumes to achieve the necessary analytical sensitivity.
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NYC-WTC_000163442
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NYC-WTC_000163372
Request to send the air monitoring scope document to legal counsel and the sender due to computer access issues.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163449
Chain of custody form dated August 22, 2002, documenting transfer of samples or materials between DEP personnel.
13 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000156019
Document tracking the chain of custody for environmental samples collected at 125 Cedar Street on August 21, 2002.
14 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗14 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000156000
Contractor work scope for air monitoring and environmental surveillance at 125 Cedar building.
15 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000155841
A single scanned page from the 125 Cedar administrative file containing illegible text or data fields.
15 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000156050
Document tracking the chain of custody for environmental samples collected at 114 Liberty Street on August 22, 2002.
13 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗14 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗13 shared non-person entities · 1 shared topics · similarity 0.992
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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NYC-WTC_000163228
Official notice instructing staff to preserve scanned World Trade Center documents as potential evidence in future legal actions.
Filed in the same folder
NYC-WTC_000163229
Official directive instructing staff to retain specific scanned WTC documents as evidence for potential future litigation against the City.
Filed in the same folder
NYC-WTC_000163231
Interdepartmental comments from NYCDOH and NYSDOH on draft Statements of Work for WTC contracts.
Filed in the same folder
NYC-WTC_000163234
EPA correspondence clarifying regulatory agency roles, asserting NYC Department of Health holds primary authority for mold remediation in WTC recovery.
Filed in the same folder
NYC-WTC_000163238
EPA transmission of finalized Scopes of Work for indoor dust cleaning and environmental monitoring components of recovery program.
Filed in the same folder