EPA scope of work documents for World Trade Center indoor dust cleaning program monitoring and remediation procedures.
NYC-WTC_000139069–000139092Folder label: “2003 E-Mails Sent M Gilsenan”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
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inspection or testing, then the Monitoring Contractor will direct the HVAC cleaning contractor to relean those portions of the system where dust or other contaminants are present and reinspect. c. HVAC cleaning, and cleanliness inspections shall be conducted in accordance with the National Air Duct Cleaners Association (NADC A) General Specification for the Cleaning of Commercial Heating, Ventilating and Air Conditioning Systems and the NADCA Assessment, Cleaning and Restoration Standard (ACR 2002).
7. Sampling of residences and common spaces where cleaning has not been requested a. Based on consultation with resident, aggressive or modified aggressive air sampling will be conducted. i. Before beginning aggressive air sampling, a 1 horsepower 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. 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. b. At least one 20-inch fan shall be placed in the center of each room sampled. One fan per 10,000 cubic feet of room 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 of sampling. The fans shall operate continuously throughout sampling and shall not be turned off until sampling is completed. c. 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. d. Common spaces will be sampled without the use of forced air devices (fans, leaf blowers 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, not taped to
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NYC-WTC_000139076
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NYC-WTC_000139029
EPA final scope of work documents for World Trade Center indoor dust cleaning and monitoring program forwarded to NYC project managers.
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.
18 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139005
EPA final scope of work documents for monitoring and cleaning operations in World Trade Center indoor dust remediation program.
18 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138805
EPA delivers final scopes of work for WTC indoor dust cleaning and monitoring program to DEP.
18 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
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_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_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 0.997
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.
17 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
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.
14 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
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.
19 shared non-person entities · 1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163328
Distribution to environmental organizations, legal advocates, health agencies, unions, and academic institutions.
18 shared non-person entities · 1 shared topics · similarity 0.996
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NYC-WTC_000138876
Notice from the New York City Law Department instructing staff to preserve original WTC documents for potential legal actions.
Filed in the same folder
NYC-WTC_000138877
Notice from the New York City Law Department instructing staff to preserve original World Trade Center documents for potential legal actions.
Filed in the same folder
Filed in the same folder
Filed in the same folder
Filed in the same folder