NYC 9/11 Public Portal Document
Deliverables
The Proj ect Monitor shall submit upon request a field package consisting offield 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 daily upon request at the activity
completion.
14. The Project Monitor shall perform final visual inspections within 2 hours ofthe completion ofthe
cleaning. Ifall areas arc not dust free at that time, thentheProjectMonitorwilldirecttheCleaning
Contractor to reclean as necessary. If all areas are dust free, 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 ofthe field notebook pages via e-
mail, fax, or alternative agreed upon format.
15. Post Cleaning Air Sampling Procedures
a. Sampling shall not begin until a visual inspection confirms the absence ofvisible 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 ofthe cleaning, air sampling will be conducted to verify attainment ofthe
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 horsqxjwer electric leafblower 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. When
directing the exhaust, caution shall be taken to minimize disturbance and potential
damage to furnishings and personal belongings
ii. Residents shall not be present in their residence during aggressive air sampling
activities.
iii. Personal protective equipment including disposable clothing, gloves, and
respirators shall be worn during aggressive air sampling activities.
iv. HVAC systems shall be shut down or isolated locally during aggressive air
sampling.
V. Room and window air conditioners shall not be operated during aggressive air
sampling.
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NYC-WTC_000139016
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