EPA delivers final scopes of work for WTC indoor dust cleaning and monitoring program to DEP.
NYC-WTC_000138805–000138828Folder label: “E-Mails Hotline M. Gilsenan”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
vi. Leaf blowers shall not be employed for modified aggressive air sampling. vii. All other procedures are identical for aggressive and modified aggressive air sampling, unless otherwise noted. d. At least one 20-inch fan shall be placed in the center ofeach room sampled. One fan per 10,000 cubic feet ofroom space shall be used. The fans shall be operated on slow speed and pointed toward the ceiling. The fans shall run for at least 15 minutes prior to the start ofsampling. The fans shall operate continuously throughout sampling and shall not be turned off until sampling is completed. e. For studio apartments 3 air samples shall be collected. For 1 -bedroom apartments and above, 5 air samples shall be collected. Sampling equipment shall be placed in living areas and away from obstructions. The sampling cassette must be placed on a tripod, not taped to existing surface and should be directed downward at a 45 degree angle. f. Common spaces will be sampled without the use offorced air devices (fans, leafblowers etc). For small spaces, less than 160 square feet, 3 samples will be collected. For large spaces greater than 160 square feet and less than 25,000 square feet 5 samples will be collected. For spaces greater than 25,000 square feet, 1 sample will be collected for each 5,000 square feet. Sampling equipment shall be placed away from obstructions. The sampling cassette must be placed on a tripod directed downward at a 45 degree angle and not taped to existing surfaces. g- Air sampl es v/ill b e collected and analyzed in accordance with the procedures specified in NIOSH 7400 Metliod followed by AHERA TEM. Air sampling cassettes need to be monitored to ensure that cassettes are not clogging by monitoring flow rates. The minimum sampling volume required is 3600 liters. All clearance air samples and copies ofnecessary documentation shall be hand delivered daily to EMSL Laboratories at: 307 W. 38* St, New York, New York 212-290-0051. h. 24-hour tum-around time shall be specified for the analysis ofall post-cleaning air samples for Scope B cleanups and for all samples collected using the aggressive air sampling method. Standard turn-mound time shall be specified the analysis ofair samples collected for Scope A cleanups using the modified aggrcssi\'c air sampling method. i. The Monitoring Contractor shall document all the necessary information regarding sampling activities, fill out all field Ic gs, data sheets, and chain-of-custody forms. The Monitoring Contractor shall use F2L for JI sample and cnain-of-custody documentation. Samples must be labeled and atcomparded wi th completed chain-of-custody forms before dripping to the designated laboratory. Tlie label must include the EPA Project TrackingNumber. 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 clearring shall be provided to EPA and DEP 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 completi on of e valuation. All data shall be maintained as confidential.
Deliverables
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NYC-WTC_000138817
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NYC-WTC_000139005
EPA final scope of work documents for monitoring and cleaning operations in World Trade Center indoor dust remediation program.
19 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 1.000
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138774
EPA provides final versions of scopes of work for the WTC indoor dust cleaning program.
19 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 1.000
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139069
EPA scope of work documents for World Trade Center indoor dust cleaning program monitoring and remediation procedures.
18 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139029
EPA final scope of work documents for World Trade Center indoor dust cleaning and monitoring program forwarded to NYC project managers.
18 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138918
Internal DEP correspondence discussing EPA draft scope of work for WTC program and clarifying agency roles and responsibilities.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139209
Administrative notice instructs staff to preserve original World Trade Center documents for potential litigation.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139232
DEP requests review of attached Scope of Work documents for mold remediation and air monitoring contracts.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139101
EPA transmits revised scopes of work documents for the indoor dust cleaning and monitoring program, including cleaning SOW #7 and monitoring SOW #7.
18 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139830
Memo discusses finalizing agency roles in the monitoring program and addresses required indemnification letters and right of entry issues.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139539
Updated scopes of work for WTC cleaning and monitoring contracts distributed to multiple agencies for coordination.
13 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000161325
Final scope of work documents for indoor dust cleaning and monitoring contractor activities in WTC cleanup program.
18 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163328
Distribution to environmental organizations, legal advocates, health agencies, unions, and academic institutions.
17 shared non-person entities · 1 shared topics · similarity 0.995
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NYC-WTC_000138375
Notice instructing staff to preserve original World Trade Center documents for potential future legal actions.
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NYC-WTC_000138376
Notice instructs staff to preserve original World Trade Center documents as evidence for potential future legal actions against the City.
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NYC-WTC_000138377
DEP memo documenting closure of environmental assistance desk following decline in public inquiries about water quality, air quality, asbestos, and dust.
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