NYC 9/11 Public Portal Document
2127554848 MJCROECOLDGIES 07? PO4 NO) 15 '01 12:57
• "Treat all interior siufaCesof the unit and the an intake area using a low toxicity
biostat to prevent or retard fungal and bacterial regrowth,
w Upgrade the filters to the high efficiency type (60% @ 3 micron ASHRAE) and
properly fit.
+ hiaddition, the following non-standard work should be performed:
ibompat
nstall screws to secure main access panel of blower wheel/evaporator coil
ment•
Install secure removable cover to filter compartment.
'The short run retn#n duct mmning from the north wan of the I ith floor to the air
handler should be HEPA vacuumed, wiped and/or encapsulated.
The unlined galvanized air supply ducts throughout the premises contain high
bevels of loose particulate matter. When the air handler work recommended
Ibove is performd, the duct cleaning project should be thoroughly evaluated
and a detailed proposal submitted.
• I
We Ate highly qualified and experienced mechanical hygiene contractors and have
for4ned Imadreds of similar jobs. We would be pleased to provide references. If
y would like us to perform, the work recommended above, we estimate that this
W twat
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ankl
require 3 man day's ® $600/man day plus materials (approximately $200)
will
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1eaSecdll if you would like to discuss or if we can be of further service.
Sbthern
tdu al hygileniat and
Manager
cc:
xrry DiGriovanni
Enclbsar±e
t ,
mcroeeOIogle ict:
141 east-61st meet, 2ndfloor ♦ new York, ny 10021 + tel: (212) 755-3265 ♦ fan: (212) 755-4848
lcbgS `• welrsite; wwa.miaoecologies.com ♦ e-mall: miacecologkSCfiaol.00m
rlsl BysienisrB and Environmental Investigators • HVAC HYgiene ♦ Certified Hazard Abatement
NYC-WTC 000097847
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