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Measurements between 4 and 10 pCi/L warrant a long-term radon test. Measurements over 10 pCi/L warrant only another short-term test so that abatement measures are not unduly delayed. The EPA has advised purchasers of real estate to delay or decline a purchase if the seller has not successfully abated radon to 4 pCi/L or less. [13]
Measurements between 4 and 10 pCi/L warrant a long-term radon test. Measurements over 10 pCi/L warrant only another short-term test so that abatement measures are not unduly delayed. Purchasers of real estate are advised to delay or decline a purchase if the seller has not successfully abated radon to 4 pCi/L or less. [95]
The curie (symbol Ci) is a non-SI unit of radioactivity originally defined in 1910. According to a notice in Nature at the time, it was to be named in honour of Pierre Curie , [ 1 ] but was considered at least by some to be in honour of Marie Curie as well, [ 2 ] and is in later literature considered to be named for both.
Retesting is specifically recommended in several situations. Measurements between 4 and 10 pCi/L (148 and 370 Bq/m 3) warrant a follow-up short-term or long-term radon test before mitigation. Measurements over 10 pCi/L (370 Bq/m 3) warrant only another short-term test (not a long-term test) so that abatement measures are not unduly delayed.
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Working level (WL) is a historical unit of concentration of radioactive decay products of radon, applied to uranium mining environment. [1] One working level refers to the concentration of short-lived decay products of radon in equilibrium with 3,700 Bq/m 3 (100 pCi/L) in air. These decay products would emit 1.3 × 10 5 MeV in complete decay. [2]
The becquerel (/ ˌ b ɛ k ə ˈ r ɛ l /; symbol: Bq) is the unit of radioactivity in the International System of Units (SI). One becquerel is defined as an activity of one per second, on average, for aperiodic activity events referred to a radionuclide.
Curie (unit) (Ci), unit of radioactivity; Curie (lunar crater) Curie (Martian crater) Curie (rocket engine), a liquid-propellant engine designed by Rocket Lab; Curie temperature, also known as the Curie point; Curie's law; Intel Curie, a sub-miniature x86/Quark-based platform for wearable applications; Curium, a synthetic chemical element with ...