EPA/DEP communication regarding roof and facade cleaning, 2002

NYC 9/11 Public Portal Document

• When will the final results of the ATSDR indoor air sampling be made available? What other substances besides asbestos , ^and fiberglass are belrig analyzed? w

• For how many hours did the air sampling occur in the ATSDR sampling? Don’t particles and substances Increase during the «. +• night hours'* a^ct Vs.

• Why is there no mention of heavy metals tested indoors? • Is lead still being tested? 3

t «• ^What companies conduct indoor air and dust testing? Uu a Ua Loz-U«: C<^Y-- c« (J.! /• What standard is the Derailment using to determine i«?k. ’ “acceptable levels’’? How do you answer the charge from s^te bbHVOcP others that the standards being used are not protective of vwwy- n«|X*« health, given the unique circumstances of the WTC collapse? I") D. Air Conditioners

<Ur Sk w* Is It safe to run air conditioners? How do you know If your air nJ ’/ fAS conditioner is contaminated? If there is dust settled on the outside will it enter into the air inside? Md4^e^ ^uk <f«^ «»- v<dujJ6^

'^^'<-1 • How often should filters be replaced? Stc«!u«-f

q;v • Can you buy a HEPA filter that will fit into an air conditioner? ) a4<(fSome air conditioners are not compatible with HEPA filters. /

" HEALTH RELATED ISSUES A. Health Effects

What Is the DOH doing to protect residents’ health? (Some people report that they have asthma as a result of h >e air, as VXj'dLtJ well as other symptoms. Wb’'e symptoms have decreased over the past few monti.«», there remain concerns about coughs, upper respiratory stress, etc.) Xj . Cenr^ctudi • When will the registry be established?^/Vill it study the h&VtFj**i3^J \4-outi H*- effects from environmental exposures? Will it look at all of the chemicals released like dioxin and benzene?X —

AJul ovcM^O-b^'

NYC-WTC_000147652