NYC 9/11 Public Portal Document
sample will be collected for each 5,000 square feet. Sampling equipment shall be
placed away from obstractions; The sampling cassette must be placed on a tripod
directed downward at a 45 degree angle and not taped to existing surfaces.
e. Air samples shall be collected in accordance with the procedures specified in NIOSH
7400 Method for PCM and 7402 for TEM. Air sampling cassettes need to be
monitored to ensure pumps are not clogging by monitoring flow rates. The minimum
sample volume required is 3600 liters.
f. Wipe samples will be collected at 10 percent of the residences where sampling only
has been requested, up to a maximum of SO units Units should be defined, as
instructed by EPA. What are the criteria for s$;tion?*OTs‘sampling will consist
of the collection of one wipe sample each * for dioxin, total metals and mercUYy
(a separate wipe sample is required for each parameter). Metals and mercury
wipe samples will be collected in accordance with procedures specified in I IUD
Appendix 13.1. Dioxin wipe samples will be collected in accordance with the
procedures specified in ASTMD 6661-01. What are the criteria for where in the
residence the wipe sample is collected? and analytes should also be
listed in the second page as noted previously.
g- The contractor shall document all the necessary JMpi nation regarding sampling
activities, fill out all field logs^data sheets^ and n-of-custody forms. The
contractor shall use F2L for all^mple £Uid chaiii-of-cusu ly documentation. Samples
must be labeled and accompanied ih com raain-of-custody forms before
shipping to the designated labor: 4. Th^ TOUst include the EPA Project
Tracking Number, ^^les wil € packed, sea!ed and shipped to EPA Contract
Laboratory for analysis
h. All information must be main! usiiume secure EPA website (url, user name and
password to be provided by I ^^^s for monitoring and/or cleaning shall be
provided to liPzX electronically in an EPA approved format within 24 hours.
; Information on sampling activities (date, sample ID) shall be provided to EPA, via the
■ website, within 24 hours of completion of sampling.
Deliverables
Project Monitor shallYeview all deliverables prior to submission to EPA. The review
ihall assure that each deliverable is accurate and complete, technically sound, and free of
clerical errors.
The Project Monitor shall record equipment used to collect the sample (leaf blower, fan; etc;)
anti size of Space daily in the field notebook. In addition, date, start and completion dates for
the cleaning, sample media, flow media type, flow rates (start/final), flow rate (average), time
(start finish), total elapsed time (min), calculated sample volume (L), pump fault, weather,
units, QC samples (lot blank) sampling dates and sample identification numbers (sample IDs),
complete chain-of-custody forms, EPA Project Tracking Numbers and laboratory address
shall be entered into an agreed upon electronic format or website approved by EPA within
24 hours of activity.
NYC-WTC_000140371
OCR can misread numbers and units. Confirm readings against the page image before using them.