NYC 9/11 Public Portal Document
air samples collected for Scope A cleanups using the modified aggressive air
sampling method.
1. The Monitoring Contractor shall document all the necessary mformation
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. 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.
j- 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 be provided to EPA, via the website, within 24 hours of
completion of evaluation. All data shall be maintained as confidential.
Deliverables
The Project Monitor shall record all post-cleaning information in the EPA Indoor Air
database or an agreed upon electronic format. This information shall include, but is not
limited to sampling technique (aggressive or modified aggressive), visually cleaned
(Y/N), damage claim (Y/N), and post cleaning status (pass/fail). Dates and times shall be
associated with all activities including start and finish date.
Additional information including but not limited to, absence of dust/debris, equipment
used (leaf blower, fan etc.), size of space, start and completion dates for the cleaning,
sample media, flow rates (start/fmal, flow rate (average), time (start/flnish), total elapsed
time (min), calculated sample volume (L), pump fault, weather, units, QC samples (lot
blank), sampling dates, sample IDs, complete chain-of-custody forms, EPA Project
Tracing Numbers and laboratory name shall be entered into an agreed upon electronic
format or website approved by EPA within 24 hours of activity. Dates and times shall be
associated with all activities including start and finish date.
17. The residence will be recleaned and retested if the clean-up criteria of 0.0009 fibers/cc
(PCME measured by TEM) is not achieved or if determined necessary by EPA. This
clean-up criterion may be reevaluated and revised, if determined necessary based on field
conditions and analytical limitations.
18. The Project Monitor will conduct a post-cleaning inspection of the residence with
the resident at the completion of the sampling. The resident should inspect tihe
residence and identify any damage at this time and sign-off on the Project
Completion Form. Any damage or loss to a residence or its contents shall be
documented on this form.
Deliverables
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NYC-WTC_000163341
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