Final scope of work documents for indoor dust cleaning and monitoring contractor activities in WTC cleanup program.
NYC-WTC_000161325–000161348Folder label: “E-mails R. Avaltroni 2002”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
upon request at the activity completion.
19. The Project Monitor shall perform final visual inspections within 2 hours of the completion of the cleaning. If all areas are not dust free at that time, then the Project Monitor will direct the Cleaning Contractor to reclean as necessary. If all areas are dust free, then the Project Monitor will authorize final air sampling. Final inspections shall be documented using the Cleaning Checklist.
Deliverables
The Project Monitor shall submit to EPA, upon request, copies of the field notebook pages via e-mail, fax, or alternative agreed upon format.
20. Post Cleaning Air Sampling Procedures a. Sampling shall not begin until a visual inspection confirms the absence of visible dust and debris. Post cleaning air sampling shall be performed upon successful visual inspection and completed within 24 hours. A successful visual inspection shall be an inspection that verifies the absence of dust and debris. b. All surfaces must be completely dry prior to the start of sampling. c. Upon completion of the cleaning, air sampling will be conducted to verify attainment ofthe clean-up criteria. Based on consultation with the resident or owner, aggressive or modified aggressive air sampling will be conducted. Residents shall not be present during aggressive air sampling. 1. 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 nainutes 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. 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 fens shall run for at least 15 minutes prior to the start of sampling. The fens shall operate continuously throughout sampling
11
NYC-WTC_000161336
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
No available related records indexed in this group.
NYC-WTC_000139069
EPA scope of work documents for World Trade Center indoor dust cleaning program monitoring and remediation procedures.
19 shared non-person entities · 1 shared topics · similarity 0.999
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.
19 shared non-person entities · 1 shared topics · similarity 0.999
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 · similarity 0.999
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 · similarity 0.999
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 · 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 · 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 · 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 · 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 · similarity 0.996
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
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 · 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 · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000160529
Notice instructing staff to preserve original World Trade Center documents as potential legal evidence and not dispose of them.
Filed in the same folder
NYC-WTC_000160530
DEP memo documenting inconsistent dust control from WTC debris transport trucks affecting school reopening plans.
Filed in the same folder
Filed in the same folder
NYC-WTC_000160536
DEP memo discussing WTC recovery contractor operations, fuel requirements, infrastructure repairs, and school proximity.
Filed in the same folder
NYC-WTC_000160537
Forwarded draft press release from NYC Department of Health regarding WTC environmental and health guidance.
Filed in the same folder