Information on Radon

Natural

Většina in natural má, which further on further. Kromě group, whose are and their origin new. This and at, which natural.

Jedním from natural, which in all, is 238At. Radioaktivní from it 226Ra and from radon 222Rn. From radon origin. sold, are field and. Ty are on from gas radon, on and with to, where to. From is, that radon, which origin in natural from, in natural and that is from length in resources radon. Natural, radon, 55 %.

Map radon from subsoil

Map radon from subsoil was on basis Radon programme Czech Republic, from r. 1990 in cooperation with Meziresortní radon Czech Republic and Asociací Radon Riziko, which, measurement radon in subsoil and in building.

Podklad radon basis category (, and) and (up to for). Převažující radon in is on basis 8000 measurement area in (in 15 on each), Českou, in Asociaci Radon Riziko. Member Asociace Radon Riziko about measurement radon to and are their. Všechna measurement was, approved main Czech Republic in r. 1992. Measurement radon in subsoil are in radon Ústavu for and in Stone and gas from 0,8 m is in on area. Category radon from subsoil, in in 1: 50 000, in. Results measurement radon on therefore from this category, primarily and.

Využití radon from subsoil

Radon from subsoil, with is possible radon in. Main resources radon, to buildings, are in subsoil buildings. Higher category radon from subsoil in therefore and higher radon above 200 Bq.m-3 in building (radon). Zároveň and, is radon from subsoil at buildings.

Převažující category radon, that in during measurement radon on building land only with radon. Obvyklým is, that 20 % up to 30 % measurement radon in belongs to other category radon, is measurement area.

Is, that category radon on building land possible from, only measurement radon in subsoil on site, so that were, very.

And high radon in subsoil however, that in building on it radon. Very on - building. Jeden from radon in buildings on subsoil with. Results, that radon to buildings family house, built before r. 1960, with basis plaques in and. Naopak in building in with radon, and when is building on subsoil with. From is, that building, its from subsoil, may radon in building.

From follows, that subsoil is resources radon, which radon in building. Navržení protection building before radon from subsoil therefore radon measurement on building land.

Upozornění:

Map radon in for radon on building land in No.. 307/2002 Coll. (Ordinance Státního office for safety about protection)!

Radon and

Ivan Barnet, Jitka Mikšová
Czech, 11821 Praha 1, Klárov 3
Poznámka: From September 2001 is in accordance with new 184/1997 SÚJB (in present valid ordinance 307/2002 SÚJB) " radon " place " radon ". Map processing to.

Radon in natural environment

Radon Rn-222 origin At-238. Koncentrace in very. General, that in, with in, and history their origin. Nejvyšší are in, as are e.g.. granite, because already in time origin were. Sedimentární, which origin and are however from these and therefore, that during their origin to with. With thereby also radon in these.

Geologické subsoil Czech Republic is from more from and. From follows, that radon from subsoil and to buildings is.

Radon may to buildings one from and, which on in their basis, one from water, to buildings and from building materials, whose basis are natural. Building are however in present from, case their from past are and therefore is radon from them from subsoil. Also resources water are in present from radon and therefore is small, that by radon Union from water to buildings method radon in building. Main resources radon subsoil.

Uvolňování radon from subsoil

Uran is in in or in., which basis and (e.g.. in granite). Záleží on, are in. Čím is, thereby, from may be radon from to area and in. Odtud radon to direction to to.

This radon is on and and on and in soil. Pokud is soil well (e.g.. or), radon and may easily to and to buildings. Pokud is soil up to, radon is in origin in land. Soil and from more with. Pokud is land and are, radon may ní meeting and direction to, to party and in with. When basis building building and basis plaque is establishment in well, may building as, by which Union radon from subsoil.

Measurement radon

Template gas is from land from 80 cm to. Komora má, which during, on and on radon, issues. Ty are and is on radon in gas. This in.m-3. Hodnota e.g.. 20.m-3, that in gas to 20 000.

On each measurement is 15 gas, so that and land. Hloubka is, so that basis building and so that was during land (, and.). Objemová radon and are for category radon on building land. In Czech is and radon is according to. 1.

Během, that in category radon on building land, are template gas from 80 cm before or po basis. Nárůst radon with in all, e.g.. in granite is higher, in and. Case radon with is thereby, that to table for is 3. (75%) measurement. Also radon area to category, because radon are and.

Radon in

On basis measurement radon in is possible radon in gas. This however,. that measurement area in, without other, without importance, during origin and. Therefore are for radon according to these. Běžná measurement radon on building area about area, in are measurement according to and measurement radon in. Data about measurement radon in and radon are in.2.

From table is, that with belongs (and, and). Ty on territory Českého, which also radon, and therefore from importance. Silurské (), on which. Therefore in them with radon.

Permské radon, because is in them in which are. Territory (and) part Českého and in them radon. For, as are e.g.. or and, and are typical. Říční are very, very well and, and field and therefore category radon this on.

Further, which may radon, is. Přítomnost and in radon, because are and for radon. Zvýšení radon may and on contact with. Higher radon is and in with (e.g..), in case, when in their subsoil with radon (granite). In case category radon, e.g.. on building land, is therefore all available, because radon or contact may and in small area building land.

And high radon in subsoil however, that in building on it radon. Very on - building. Jeden from radon in buildings on subsoil with. Results, that radon to buildings family house, built before r. 1960, with basis plaques in and. Naopak in building in with radon, and when is building on subsoil with. From is, that building, its from subsoil, may radon in building.

From follows, that subsoil is resources radon, which radon in building. Navržení protection building before radon from subsoil therefore radon measurement on building land.

More information about radon is possible on:

Czech
Státní office for safety
Státní protection

Information from: www.geology.cz