Blue Bell Termite &Pest Control
 
 
 
 
 
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PO Box 96, Jamison PA 18929 | jgoldsworthy@comcast.net
 
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Radon Testing

We perform DEP certified radon testing.

Radalink radon monitors are used in the testing procedure. These are continuous radon monitors that only measure alpha-radiation. They factor out all types of other background radiation.
 
Radon is measured in terms of pico-curies per liter (pCi/l). Four pCi/l of radon or lower is the standard that the Pennsylvania DEP has set as the acceptable level with which the house is measured.

Radon is an invisible, odorless, radioactive gas produced by the decay of naturally occurring radium in rock and soil. Because it has no odor or taste, radon can only be detected with special monitoring equipment. Medical studies have linked radon exposure to cancer. Since the discovery in recent years of homes in New Jersey and Pennsylvania containing alarmingly high levels of radon, scientists have been taking a closer look at the impact of radon on the health of residents with homes demonstrating these levels.
 
radon-chart
 
 

Radon Decay Series Chart

The following is an updated chart of the lifetime risk of lung cancer death per person from radon exposure in homes (excerpted from the updated radon risk assessment).
pCi/LNever SmokersCurrent SmokerscGeneral Population
2036 out of 1,00026 out of 10011 out of 100
1018 out of 1,00015 out of 10056 out of 1,000
815 out of 1,00012 out of 10045 out of 1,000
473 out of 10,00062 out of 1,00023 out of 1,000
237 out of 10,00032 out of 1,00012 out of 1,000
1.2523 out of 10,00020 out of 1,00073 out of 10,000
0.473 out of 100,00064 out of 10,00023 out of 10,000
   a.    Assumes constant lifetime exposure in homes at these levels.
   b.   Estimates are subject to uncertainties as discussed in Chapter VIII of the risk assessment.
   c.   Note: BEIR VI did not specify excess relative risks for current smokers
Radon is a gaseous radioactive element having the symbol Rn, the atomic number 86, an atomic weight of 222, a melting point of -71ºC, a boiling point of -62ºC, and (depending on the source, there are between 20 and 25 isotopes of radon - 20 cited in the chemical summary, 25 listed in the table of isotopes); it is an extremely toxic, colorless gas; it can be condensed to a transparent liquid and to an opaque, glowing solid; it is derived from the radioactive decay of radium and is used in cancer treatment, as a tracer in leak detection, and in radiography. (From the word radium, the substance from which it is derived.) Sources: Condensed Chemical Dictionary, and Handbook of Chemistry and Physics, 69th ed., CRC Press, Boca Raton, FL, 1988.

EPA's Integrated Risk Information System profile on Radon 222 [CASRN 14859-67-7] is located at: a.gov/iris/subst/0275.htm
 
Radon is an invisible, odorless, radioactive gas produced by the decay of naturally occurring radium in rock and soil. Because it has no odor or taste, radon can only be detected with special monitoring equipment. Medical studies have linked radon exposure to cancer. Since the discovery in recent years of homes in New Jersey and Pennsylvania containing alarmingly high levels of radon, scientists have been taking a closer look at the impact of radon on the health of residents with homes demonstrating these levels.
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