Distribution to environmental organizations, legal advocates, health agencies, unions, and academic institutions.
NYC-WTC_000163328–000163352Folder label: “E-mails M. Gilsenan”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
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. d. 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. 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 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,BBS 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 samples will be collected in accordance with the procedures specified in NIOSH 7400 Method and analyzed by phased contrast microscopy (PCM) followed by Asbestos Hazard Emergency Response Act (AHERA) transmission electron microscopy (TEM). The fiow rate for collection of air samples shall be at least 10 liters per minute and no more than 15 liters per minute. 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 of necessary documentation shall be hand delivered daily to EMSL Laboratories at: 307 W. 38* St., New York, New York 212-290-0051.
h. 24-hour turn-around time shall be specified for the analysis of all post-cleaning air samples for Scope B cleanups and for all samples collected using the aggressive air sampling method. Standard turn-around time shall be specified the analysis of 12
NYC-WTC_000163340
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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 · similarity 0.998
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.
15 shared non-person entities · 1 shared topics · similarity 0.996
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.
15 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139209
Administrative notice instructs staff to preserve original World Trade Center documents for potential litigation.
15 shared non-person entities · 1 shared topics · similarity 0.996
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 · 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 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138774
EPA provides final versions of scopes of work for the WTC indoor dust cleaning program.
17 shared non-person entities · 1 shared topics · similarity 0.995
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.
17 shared non-person entities · 1 shared topics · similarity 0.995
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 · similarity 0.995
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.
17 shared non-person entities · 1 shared topics · similarity 0.995
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 · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138626
Distribution of revised scopes of work documents for WTC indoor cleaning and monitoring contracts.
13 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000163228
Official notice instructing staff to preserve scanned World Trade Center documents as potential evidence in future legal actions.
Filed in the same folder
NYC-WTC_000163229
Official directive instructing staff to retain specific scanned WTC documents as evidence for potential future litigation against the City.
Filed in the same folder
NYC-WTC_000163231
Interdepartmental comments from NYCDOH and NYSDOH on draft Statements of Work for WTC contracts.
Filed in the same folder
NYC-WTC_000163234
EPA correspondence clarifying regulatory agency roles, asserting NYC Department of Health holds primary authority for mold remediation in WTC recovery.
Filed in the same folder
NYC-WTC_000163238
EPA transmission of finalized Scopes of Work for indoor dust cleaning and environmental monitoring components of recovery program.
Filed in the same folder