Procedures for collecting and documenting wipe samples using HUD Appendix 13.1 specifications, F2L documentation, sample labeling requirements, and laboratory analysis at EMSL.
NYC-WTC_000140322Folder label: “SCOPES OF WORK IN DOOR AIR & CLEANING”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
analysis for mercury). All wipe samples will be collected in accordance with procedures specified in HUD Appendix 13.1.
b. The contractor shall document all the necessary information regarding sampling activities, fill out all field logs, data sheets, and chain-of-custody forms. The contractor shall use F2L for all sample and chain-of-custody documentation. Samples must be labeled and accompanied with completed chain of custody forms before shipping to the designated laboratory. The label must tncludciYhc EPA Project Tracking Number. Samples will be packed, sealed and hand-delivered for analysis to EMSL laboratories at: 307 W. 38“' St,New York. New York 212-290-0051, Metals samples will be analyzed using EPA Method $W-846 601 OB. Mercury samples will be analyzed using EPA Method SW-846,^71 AU,
Deliverables
The Project Monitor shall review all deliverables prior th*submission to EPA. The review shall assure that each deliverable is accurate and complete, technically sound, and free of clerical errors. , w '
The Project Monitor shall complete chain of cWody rceord the number of wipe samples, record EPA Project Tracking N umbers, laboratory addrc.ss, date, and sample IDs in an agreed upon electronic format or website approved by EPA within 24 hours of activity.
21. Post Clean-up Air Sampling Procedures a. Sampling shall not begin until a visual inspection confirms the absence of visible dust ^sUnd debris. Post cleaning air sampling shall be performed upon successful visual inspection and completed within 24 hours. A successful visual inspection shall be an ' "i"'Inspection that verifies the absence of dust and debris. b. All surfaces must be completely dry prior to the start of sampling. c. Window ^ir conditioning units where applicable shall be run/operated at least 15 minutes prior to the'start of sampling. The air conditioning units shall operate continuously throughout the sampling. d^ Based on consultation with resident, aggressive or modified aggressive air sampling ,>?’ will be conducted upon completion ofcleaning. In aggressive air monitoring sampling situations,^'before the start of sampling, a 1 horsepower electric leaf blower will 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 V damage to furnishings and personal belongings. The procedure described below for modified aggressive sampling techniques will also be employed ' e. * In modified aggressive sampling, 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. f. 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
NYC-WTC_000140322
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NYC-WTC_000140318
Specifications for modified aggressive air sampling in common spaces, including sample counts based on square footage and equipment setup.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.931
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140359
Details conditions for starting sampling, including visual inspections, drying surfaces, and using leaf blowers for aggressive air testing.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.930
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.
4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.927
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140380
Instructions for post-cleaning visual inspections and the specific use of electric leaf blowers to agitate indoor environments for sampling.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.922
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.
4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.918
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140306
Procedures for obtaining work authorization, monitoring residential and HVAC cleaning, and reporting hazardous conditions to EPA.
4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.915
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140330
Details project scope for scheduling, coordinating, and monitoring dust and debris cleanup with air sampling from apartments affected by World Trade Center collapse.
4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.914
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139560
Updated WTC monitoring scope of work including technical notes on dust control methods and equipment.
4 shared non-person entities · 1 shared topics · similarity 0.926
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.923
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.921
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163360
Technical specifications for air quality monitoring work at two Manhattan buildings.
4 shared non-person entities · 1 shared topics · similarity 0.913
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138725
EPA transmits revised scopes of work for WTC indoor cleaning and monitoring contracts to DEP.
4 shared non-person entities · 1 shared topics · similarity 0.913
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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.
Filed in the same folder
Draft contract scope defining regulations and procedures for asbestos cleanup and air sampling assistance programs in Lower Manhattan.
Filed in the same folder
NYC-WTC_000140283
Contract excerpt specifying data submission protocols, laboratory delivery instructions, and monitoring responsibilities for the WTC project.
Filed in the same folder
NYC-WTC_000140284
Addendum to a City contract requiring contractors to handle property claims and authorizing additional financial retainage for performance security.
Filed in the same folder
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