NYC 9/11 Public Portal Document
Monitoring Contractor. Results of analysis shall be provided to EPA by the Monitoring
Contractor in an approved electronic format within 24 hours of collection. Copies of the
results shall also be sent immediately to OSHA and the Cleaning Contractor. The
Cleaning Contractor will make these results available to the employees or their
designated representatives for their review in accordance with 29 CFR 1910.1020 and 29
CFR 1926.1101.
The Monitoring Contractor shall document all the necessary information regarding
sampling activities, fill out all field logs, data sheets, and chain-of-custody forms. The
Monitoring Contractor shall use F2L for all sample and chain-of-custody documentation.
This data shall be provided to EPA within 24 hours of completion of the sampling.
Deliverables
The Project Monitor shall submit upon request a field package consisting of field sheets,
field notes (copy), and chain-of-custody forms (copy), which shall be delivered to the
EPA via fax, or an alternative format agreed upon. The Monitoring Contractor must sign
and date all field sheets, field logbooks and chain-of-custody forms. This data shall be
provided upon request.
15. The Project Monitor shall perform final visual inspections within 2 hours of the
completion of the cleaning. If all areas are not dust free at that time, then the Project Monitor
will direct the Cleaning Contractor to reclean as necessary. If all areas are dust firee, then the
Project Monitor will authorize final air sampling. Final inspections shall be documented using
the Cleaning Checklist.
Deliverables
The Project Monitor shall submit to EPA, upon request, copies of the field notebook
pages via e-mail, fax, or alternative agreed upon format. |
16. Post Cleaning Air Sampling Procedures
a. Sampling shall not begin until a visual inspection confirms the absence of
visible dust and debris. Post cleaning air sampling shall be performed
upon successful visual inspection and completed within 24 hours. A
successful visual inspection shall be an inspection that verifies the absence
of dust and debris.
b. All surfaces must be completely dry prior to the start of sampling.
c. Upon completion of the cleaning, air sampling will be conducted to verify
attainment of the clean-up criteria. Based on consultation with the
resident or owner, aggressive or modified aggressive air sampling will be
conducted. Residents shall not be present during aggressive air sampling.
1. Before beginning aggressive air sampling, a 1 horsepower electric leaf
blower shall be used to direct exhaust air against walls, ceilings, floors and
other surfaces. This shall continue for at least five minutes per 1,000
square feet of floor area. When directing the exhaust, caution shall be
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NYC-WTC_000163339
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