NYC 9/11 Public Portal Document
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 con&isting p|field sheets, field
notes (copy), and chain-of-custody forms (copy) shall delivered to the EPA via email, or
an alternative format agreed upon. The Monitoring Contractor must sign and date all field
sheets, field logbooks and chain-of-custody forn^“ s data
.....................
sy provided daily unfh
request at the activity completion.
14. The Project Monitor shall perform final visual inspections within 2 hours ofthe 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 free, then the Project
Monitor will authorize final air sampling. Final inspeci^|^^^^::he documented using the
Cleaning Checklist.
Ik
Deliverables
The Project Monitor shall submit to EPA, upon n fisOpies of the log book pages via e-
mail, fax, or alternative agreed ijion format.
15. Post Cleaning Air Sampling Procedur
a. Sampling sh 3t begin until inspection confirms the absence of visible dust
and debris. gleaning w _____be. - -
„shall
ig ____ .
performed - successful visual
upon
'— HUsctiona ^^^ed within 24 hours. A successful visual inspection shall be an
ion tl the absence of dust and debris.
b. "WbO muSt^ ^^etely dry prior to the start of sampling.
c. Uponct etion o: e cleaning, air sampling will be conducted to verify attainment
ofthecl san-up criteria Based on consultation with the resident or owner, aggressive
ormodii led aggressive air sampling will be conducted. Residents shall not be present
during a ggressive air sampling.
i. ] beginning aggressive air sampling, a 1 horsepower electric leafblower
,^1 be used to direct exhaust air against walls, ceilings, fioors and other
.^^irfeces. This shall continue for at least five minutes per 1,000 square feet of
floor. When directing the exhaust, caution shall be taken to avoid disturbance
and potential damage to furnishings and personal belongings.
ii. HVAC systems shall be shut down or isolated locally during aggressive air
sampling.
iii. Room and window air conditioners shall not be operated during aggressive air
sampling.
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NYC-WTC_000139840
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