Re: Radon Abatement -Reply

[Schoenhofer <schoenho@via.at>]

At 12:41 22.11.1996 -0600, you wrote:
>
>A message from David Proctor was forwarded to RADSAFE in which he
>said (in part):
>> What I have is an office area where, with short
>>term testing, we have measure radon levels (EPA Protocol avg.) of 5.5
>>to 7.7.  What is reasonable to do with these levels of readings?  Is
>>evacuation of the area really needed before abatement is completed?  
>
>Rusty Lorenzen correctly pointed out that the radon concentration is to
>be calculated from  a long term measurement or an average of multiple
>short term measurements.  Viewed from a slightly different angle,  the
>EPA recommendation that a long term (eg 1 year) measurement follow a
>screening measurement above 4 pCi per liter implies that the EPA is not 
>overly concerned about a one year exposure (at least for concentrations
>not greatly exceeding the guideline). Furthermore, one spends a
>significantly greater time at home than at the office (those of us with a
>life anyway).
>
>But, far more specific guidance can be found in EPA's "Radon Reduction
>Techniques for Detached Houses" EPA/625/5-87/019 1988 second
>edition. The following summarizes their "Recommended Urgency of
>Radon Reduction Efforts as a Function of Initial Radon Level" 
>...........................................

Thank you for this information. It confirms my blieve that there is
realistic legislation or recommendation on radon in air in the USA!!

Franz
Schoenhofer
Habichergasse 31/7
A-1160 WIEN
AUSTRIA/EUROPE
Tel./Fax:	+43-1-4955308
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e-mail:		schoenho@via.at