13 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗Document / 7 pages
Chain of custody record, August 22, 2002
Machine-extracted title · confidence 40%Chain of custody form dated August 22, 2002, documenting transfer of samples or materials between DEP personnel.
NYC-WTC_000163449–000163455Folder label: “E-mails M. Gilsenan”
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NYC 9/11 Public Portal Document
DRAFT 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_000163452
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NYC-WTC_000163452Source: NYC Law Department, mirrored locally
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13 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
15 shared non-person entities · 1 shared topics · similarity 0.996
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Document tracking the chain of custody for environmental samples collected at 114 Liberty Street on August 22, 2002.
15 shared non-person entities · 1 shared topics · similarity 0.996
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machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139389
DEP forwards inspection report for 125 Cedar Street along with NYC guidelines on fungal remediation.
14 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · similarity 0.991
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.
13 shared non-person entities · 1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗14 shared non-person entities · 1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗13 shared non-person entities · 1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000156000
Contractor work scope for air monitoring and environmental surveillance at 125 Cedar building.
14 shared non-person entities · 1 shared topics · similarity 0.987
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