Correspondence regarding Schedule A forms and a draft scope of work for cleaning and air monitoring contracts at the site.
NYC-WTC_000162838–000162847Folder label: “E-mails 2003 M. Gilsenan”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
DIUFT» Monitor must have performed final clearance inspections on at least 25 asbestos abatement projects. A single individual with Asbestos Project Monitor and Asbestos Project Sampling Technician certification shall not perform the functions of both Monitor and Technician during this project.
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. A single individual with Asbestos Project Monitor and Asbestos Project Sampling Technician certification shall not perform the functions of both Monitor and Technician during this project.
ff'ipe Sampling Technicians Wipe sampling technicians must have 1-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 Technicians must be assigned to this project.
Equipment Sampling equipment must be in sufficient quantity to provide the amoimt and type of samples required for this project. The following equipment is 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, solvent-wetted sampling agent, and all other equipment required to perform the specified monitoring and sampling.
Analytical Laboratoty 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 column and high-resolution mass spectrometer for analyzing dioxin and inductively coupled plasma for total metals.
Proof of qualifications must be presented to the NYCDEP prior to commencement of work. The NYCDEP reserves the right to disqualify any individual(s) from work on this project for non-compliance with these specifications or the requirements of applicable rules and regulations.
Specifications
It is anticipated that the work will be completed within three (3) weeks. Post clean up sampling shall begin within 4 hours of successful visual inspection and shall be completed within 2 days.
Sampling and Analytical Procedures for Lead. PAHs. Dioxin. Fibrous Glass, and Silica
1. Sampling for lead, PAHs, dioxin, fibrous glass, and crystalline silica 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/or diagram shall clearly identify each sampling location.
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NYC-WTC_000162843
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NYC-WTC_000162815
Request for review of monitoring contractor specifications for air sampling, including sampling methodologies, limits of detection, and clearance criteria, with reference to prior…
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Technical correspondence addressing asbestos air sampling methodology and pump flow rate specifications.
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DEP forwards inspection report for 125 Cedar Street along with NYC guidelines on fungal remediation.
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NYC-WTC_000162712
Official notice instructing staff to preserve scanned World Trade Center documents as potential evidence in future legal actions.
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NYC-WTC_000162713
Official notice instructing staff not to dispose of original World Trade Center documents as they are required for legal proceedings.
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NYC-WTC_000162729
DEP submits OSHA compliance justification document for review regarding worker safety in WTC cleanup procedures.
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NYC-WTC_000162731
EPA submits detailed technical questions and comments on proposed HVAC cleaning procedures for WTC buildings.
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