15 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 1.000
machine-extracted · confidence unavailable · Check page ↗Document / 6 pages
2003 E-Mails Sent M Gilsenan
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000139168–000139173Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Air Sampling Technicians Air monitoring technicians must posses valid NYS Asbestos Project Sampling Technician (APST) certificates. Technicians must have performed air sampling for at least 6 months. At a minimum at least 5 Air Sampling Technicians must be assigned to this project.
Wipe Sampling Technicians Wipe sampling technicians must have l-year experience in wipe sampling for a variety of contaminants and have received state certified training in dust sampling. At a minimum at least 2 Wipe Sampling Techmcians must be assigned to this project.
Equipment Sampling equipment must be in sufficient quantity to provide the amount and type of samples required for this project. At a minimum the following equipment are required: air-sampling pumps with flow rate capacities of 2 to 10 liters per minute, tripods, rotometers, sample cassettes with mixed cellulose ester filters having pore size of 0.8pm, micro vacuum, disposable porous cellulosic towellettes moistened with wetting agent and solvent-wetted sampling agent.
Analytical Laboratory The environmental laboratory must be certified by the New York State Department of Health. Certification for all the analytes specified herein must have been maintained for at least six (6) consecutive proficiency testing rounds. The laboratory must possess a gas chromatograph equipped with a capillary colunm and high-resolution mass spectrometer for analyzing dioxin and inductively coupled plasma for total metals. Cold Vapor Method apparatus shall be used for mercury analysis.
Proof of qualifications must be presented to the NYCDEP. The NYCDEP reserves the right to disqualify any individual(s) from work on this project for non-compliance with these specifications or 1he requirements of applicable rules and regulations.
Specifications
It is anticipated that the work will be completed within three (3) weeks.
Sampling and Analytical Procedures for Lead. PAHs. Dioxin. Fibrous Glass, Silica, and Mercury
1. Sampling for lead, PAHs, dioxin, fibrous glass, crystalline silica and mercury shall be performed by qualified individuals. A completed chain of custody must accompany all samples. A unique sample number shall be assigned to each sample. A complete written description and/or diagram shall clearly identify each sampling location.
2. 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 unit.
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NYC-WTC_000139170
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NYC-WTC_000139170Source: NYC Law Department, mirrored locally
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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.
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