Memo recommending cleaning of lobby and roof HVAC units at 50 [Street] due to WTC dust found during inspection.
NYC-WTC_000133793–000133805
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Form Mech nical Exhaust System Identification: 1 of 1 f3os c_ 1.2 1Al - . Location: n Area Served: i~ Associated mechanical room: clean Y N dry Y N stored chemicals/refuse System Components Surface Component fNOTE: if component not present (NP), not found (NF) or Dust/ WTC iy not inaccessible (I) please Debris Dust present indicate in last column) Present? Present? not found 4 Exhaust air outlet: Location:
Accessible for inspection? Y VocN
louvers, grates and/or screens (explain): ME outside air duct outside air damper(s) Exhaust fan unit: blower assembly incl. blower wheel, housing, air vanes, in-Iine noise attenuators blower housing acoustical lining JV vibration collars Exhaust air distribution: Exhaust air ducts Est total In ft .3 C) No. Iocations inspected_ Specify type (circle): eta fibrous glass lined metal flex-duct wood mas onry fibrous glass board 7 rA Accessible in-line fire dampers Est. total qty No locations inspected Accessible turning vanes Est total qtv No. locations inspected Exhaust air grilles N Est total qty t No locations inspected Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
\)J<.._ b u5.I Poc,t i/3 5 yS i €- 1S
KEY: NP = not NF = not found; I = inaccessible_ it =
NYC-WTC 000133797
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_000133629
Memo from Cole Consulting recommending cleaning of HVAC components at 50 [Street] following visual inspection for WTC dust in February 2003.
6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
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.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.978
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.
5 shared non-person entities · 1 shared topics · similarity 0.994
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.
5 shared non-person entities · 1 shared topics · similarity 0.994
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 · similarity 0.985
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 · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139940
Form to inspect supply and exhaust outlets, grates, and duct substrates for contamination or damage.
2 shared non-person entities · 1 shared topics · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗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 · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000130404
Consulting report recommending cleaning of HVAC equipment due to WTC dust contamination found in the system.
5 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000113892
Invoice from Athenica Environmental Services for HVAC and environmental inspections performed at 380 Rector Place on January 13, 2003.
3 shared non-person entities · 1 shared topics · similarity 0.973
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.
3 shared non-person entities · 1 shared topics · similarity 0.973
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 0.973
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000133662
Cole Consulting recommends cleaning two HVAC units at 130 Water Street due to WTC dust found during a February 2003 visual inspection.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000129218
Form documenting ventilation system types and facility details for a building at 49 Fulton Street.
Similarity score 0.991 (not a probability)
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.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000132712
A ventilation system evaluation form for a multi-use facility with 300 residential units and nine floors.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000132712
A ventilation system evaluation form for a multi-use facility with 300 residential units and nine floors.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000129218
Form documenting ventilation system types and facility details for a building at 49 Fulton Street.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Machine-extracted building matches; verify each source. Buildings, never households.
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.
Memo from Cole Consulting recommending cleaning of HVAC components at 50 [Street] following visual inspection for WTC dust in February 2003.
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Memo from Cole Consulting Corporation recommending no HVAC cleaning at 118 Chambers Street due to lack of WTC dust.
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Memo from Cole Consulting Corporation recommending no HVAC cleaning at a building on the WTC site due to lack of WTC dust.
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NYC-WTC_000139961
Inspection form template for documenting debris and dust presence in passive ventilation shafts.
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NYC-WTC_000140023
Inspection form for HVAC components including outside air intake and exhaust outlets, assessing accessibility and presence of WTC dust contamination.
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