14 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Document / 13 pages
114 Liberty cleanup and monitoring documentation transmittal, February 2003
Machine-extracted title · confidence 65%Transmission of cleanup and environmental monitoring documentation for 114 Liberty post-WTC dust remediation project.
NYC-WTC_000155394–000155406Folder label: “114 LIBERTY 2 OF 2”
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NYC 9/11 Public Portal Document
Sampling and Analytical Procedures for Lead, PAHs. Dioxin, Fibrous Glass, and Silica
1. Sampling for lead, PAHs, and dioxin shall be performed by the wipe sampling technician. A completed chain of custody must accompany all samples. A unique sample number shall be assigned to each sample. A. complete written description and diagram shall clearly identify each sampling location.
2. Wipe samples shall be collected before and after cleaning for lead, 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.
3. Post cleaning air samples for fibrous glass and silica shall be collected concurrently with the asbestos clearance air sampling procedures specified herein. Five samples for fibrous glass and one sample for silica shall be collected in each apartment.
4. The required sampling and analytical procedures are specified in Table 1.
5. The detection limit for PAHs shall be no greater than 1 pg/m^.
6. Samples containing concentrations of specific congeneric analytes (PCDDs and PCDFs) considered within the scope of the dioxin sampling method that are greater than ten times the upper MCLs must be analyzed by a protocol designed for such concentration levels, e.g.. Method 8280. Analytical results shall be reported using a 2,3,7,8-TCDD toxicity equivalence (TEQ). The TEQs shall be reported four ways. A TEQ which sets non-detects to zero (i.e., TEQ (ND=0), a TEQ which sets non-detects at 1/2 the detection limit (i.e., TEQ (ND=l/2), a TEQ Estimated Maximum Potential Concentration with non-detects set to zero (i.e., TEQ EMPC (ND=0), and a TEQ Estimated Maximum Potential Concentration with non-detects set to 1/2 the detection limit (i.e., TEQ EMPC (ND=l/2). Please see attachment 2 for the format and data to report for dioxin wipe samples.
3 of? 2/7/03
NYC-WTC_000155402
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NYC-WTC_000155402Source: NYC Law Department, mirrored locally
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000100690
Permit application for a licensed asbestos contractor to clean interior dust at the unoccupied 114 Liberty Street building.
14 shared non-person entities · 1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000102620
Scope of work document dated February 2003 detailing a mandatory pre-bid meeting and requirements for asbestos abatement contractor cleaning at 114 Liberty Street.
14 shared non-person entities · 1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000102605
Scope of work document dated February 2003 detailing a mandatory pre-bid meeting and requirements for asbestos abatement contractor cleaning at 114 Liberty Street.
14 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138897
Internal DEP coordination regarding comments on 114 Liberty procedures and preparation of a response.
14 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗14 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗14 shared non-person entities · 1 shared topics · similarity 0.994
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