Base Level means the following amounts plus the percentage
Working level (WL) means any combination of short-lived radon daughters in 1 liter of air that will result in the ultimate emission of 1.3E+5 MeV of potential alpha particle energy. The short-lived radon daughters are—for radon-222: polonium-218, lead-214, bismuth-214, and polonium-214; and for radon-220: polonium-216, lead-212, bismuth-212, and polonium-212.
Use Level means the maximum permitted use level for each Use Type, as specified in the applicable Notification Form.
RBC level means an insurer's company action level RBC, regulatory action level RBC, authorized control level RBC, or mandatory control level RBC where:
Barrier Level means the Barrier Level as specified in § 1 of the Product and Underlying Data.