Details project scope for scheduling, coordinating, and monitoring dust and debris cleanup with air sampling from apartments affected by World Trade Center collapse.
NYC-WTC_000140330–000140336Folder label: “SCOPES OF WORK IN DOOR AIR & CLEANING”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
horsepower electric leaf blower) shall be used to direct exhaust air against walls, ceilings, floors and other surfaces. When directing the exhaust, caution shall be taken to minimize disturbance and potential damage to furnishings and personal belongings. ii. For modified aggressive air sampling forced air equipment shall not be employed. iii. All other procedures are identical for aggressive and modified aggressive air sampling. b. One 20-inch fan shall be installed per 10,000 cubic feet of room space and run at low speed. The fan shall operate continuously throughout sampling and shall not be turned off until sampling is completed. c. For studio apartments 3 samples shall be collected. For 1-bedroom apartments and above 5 samples shall be collected. Sampling equipment shall be placed in living areas and away from obstructions. The sampling cassette must be placed on a tripod and not taped to existing surfaces. d. Common spaces will be sampled using modified aggresive techniques (20 inch fans). For small spaces, less than 260 linear feet and 160 square feet, 3 samples will be collected. For large spaces greater than 260 linear feet or 160 square feet and less than 25,000 square feet 5 samples will be collected. For spaces greater than 25,000 square feet, 1 sample will be collected for each 5,000 square feet. Sampling equipment shall be placed away from obstructions. The sampling cassette must be placed on a tripod and not taped to existing surfaces. e. Asbestos air samples shall be collected in accordance with the procedures specified inNIOSH Method 7400. Air sampling pumps will be operated at 10 liters per minute for eight (8) hours to achieve. To achieve minimum volume requirement of 4800 liters. f. Samples must be labeled and accompanied with completed chain of custody forms before shipping to the designated laboratory. The label must include the EPA Project Tracking Number. Samples will be packed, sealed and shipped to USEPA Contract Laboratory for analysis. g- All information must be maintained using the secure EPA website(url, user name and password to be provided by EPA). Dates for monitoring and/or cleaning shall be provided to EPA electronically in an EPA approved format within 24 hours. Information on sampling activities (date, sample ID) -will he provided to EPA, via the website, within 24 hours ofcompletion of analysis.
20. Pre-cleaning and Post-cleaning Wipe Sampling Procedures
a. The Project Monitor will collect pre and post-cleanup wipe samples at 5 percent of the residences cleaned up to a maximum of 50 units per quadrant. This sampling will consist of the collection of 3 pre clean-up and 3 post clean-up wipe samples for total metals and mercury (Note: a separate wipe sample is require for analysis for mercury). All wipe samples will be collected in accordance with procedures
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NYC-WTC_000140334
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NYC-WTC_000140337
Details project scope for scheduling, coordinating, and monitoring dust and debris cleanup with air sampling from apartments affected by World Trade Center collapse.
13 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140385
Specific instructions for collecting bulk dust samples, labeling containers, and repairing insulation disturbed during sampling activities.
11 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140430
Draft contract detailing EPA and DEP collaboration on residential dust sampling and cleaning services for residents south of Canal Street.
10 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140537
Draft scope of work document detailing compliance requirements and procedures for residential cleaning and air sampling south of Canal Street.
11 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140626
Draft scope of work for WTC debris/dust residential cleanup program with compliance requirements and regulatory overview.
12 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗13 shared non-person entities · 1 shared topics · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138725
EPA transmits revised scopes of work for WTC indoor cleaning and monitoring contracts to DEP.
13 shared non-person entities · 1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗12 shared non-person entities · 1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000161167
Forwarded draft Statements of Work for cleaning and monitoring activities requiring review by noon.
13 shared non-person entities · 1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138626
Distribution of revised scopes of work documents for WTC indoor cleaning and monitoring contracts.
13 shared non-person entities · 1 shared topics · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗12 shared non-person entities · 1 shared topics · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗12 shared non-person entities · 1 shared topics · similarity 0.987
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NYC-WTC_000140280
Document header reiterating the requirement to preserve World Trade Center documents for potential legal proceedings against the City.
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NYC-WTC_000140283
Contract excerpt specifying data submission protocols, laboratory delivery instructions, and monitoring responsibilities for the WTC project.
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Addendum to a City contract requiring contractors to handle property claims and authorizing additional financial retainage for performance security.
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NYC-WTC_000140286
Review comments on a proposed scope of work document regarding the roles of technicians and monitors in the World Trade Center cleanup process.
Filed in the same folder