Form to inspect supply and exhaust outlets, grates, and duct substrates for contamination or damage.
NYC-WTC_000139940Folder label: “EPA HVAC ACTION PLAN (Indoor Clean up)”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
2.4 Passive Shaft/Duct Visual Inspection Form Page 1 of 1
Passive Shaft/Duct Identification:
Location: Area Served:
Surface Component System Components Dust/ WTC • not present [NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust • not found indicate in last column] Present? Present? • inaccessible Outside air intake (if servicing supply air): Location:
Accessible for inspection? Y N (explain):
- louvers, grates, screens or weather cap Exhaust outlet/louver (if servicing exhaust air): Location:
Accessible for inspection? Y N (explain):
— louvers, grates, screens or weather cap Supply air distribution (if servicing supply air): - SuDolv air outlet(s) Est. total qty No. locations inspected Specify shaft substrate (circle): metal fibrous glass lined metal mas fibrous glass board flex-duct wood - Accessible fire dampers Est. total qty No. locations inspected - Pipes/mechanical equipment, etc. located in shaft P Return air distribution (if servicing exhaust air): - Exhaust air inlet(s) Est total qty No. locations inspected Specify shaft substrate (circle): metal fibrous glass lined metal masonry fibrous glass board flex-duct wood - Accessible fire dampers Est. total qty No. locations inspected — Pipes/mechanical equipment, etc. located in shaft Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC_000139940
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.
NYC-WTC_000139872
Inspection record for supply air outlets and duct substrates, checking for accessibility and debris presence.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139961
Inspection form template for documenting debris and dust presence in passive ventilation shafts.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140023
Inspection form for HVAC components including outside air intake and exhaust outlets, assessing accessibility and presence of WTC dust contamination.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000133793
Memo recommending cleaning of lobby and roof HVAC units at 50 [Street] due to WTC dust found during inspection.
2 shared non-person entities · 1 shared topics · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000133629
Memo from Cole Consulting recommending cleaning of HVAC components at 50 [Street] following visual inspection for WTC dust in February 2003.
2 shared non-person entities · 1 shared topics · similarity 0.983
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000130428
Memo from Cole Consulting Corporation recommending no HVAC cleaning at a building on the WTC site due to lack of WTC dust.
2 shared non-person entities · 1 shared topics · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000130411
Memo from Cole Consulting Corporation recommending no HVAC cleaning at 118 Chambers Street due to lack of WTC dust.
2 shared non-person entities · 1 shared topics · similarity 0.970
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000133762
Cole Consulting identifies impacted HVAC units at 50 [Street] requiring cleaning due to WTC dust found during a February 2003 inspection.
2 shared non-person entities · 1 shared topics · similarity 0.936
machine-extracted · confidence unavailable · Check page ↗2 shared non-person entities · 1 shared topics · similarity 0.935
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000132758
A ventilation system evaluation form for a multi-use facility with 300 residential units and nine floors.
2 shared non-person entities · 1 shared topics · similarity 0.934
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000117345
January 30, 2003 letter from Athenica Environmental Services regarding HVAC and environmental inspections at 250 South End Avenue.
2 shared non-person entities · 1 shared topics · similarity 0.934
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000131909
Blank ventilation system evaluation form for recording building details and inspection data.
2 shared non-person entities · 1 shared topics · similarity 0.933
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_000139856
Notice instructing that original World Trade Center documents must be preserved as evidence and not disposed of by the Law Department.
Filed in the same folder
NYC-WTC_000139857
Document header instructing that original WTC records must be preserved as evidence for potential legal actions.
Filed in the same folder
NYC-WTC_000139859
Internal memo expressing concerns about advising residents of potential health risks from 15 months of unrealistic HVAC assessment and cleanup, requesting urgent decision-making.
Filed in the same folder
Filed in the same folder
NYC-WTC_000139861
Memo requesting EPA ensure factual information about HVAC matters be prepared for presentation at meeting with City officials, FEMA, and public communications consultant.
Filed in the same folder