Results of the RSDP of the BPA


Bonneville Power Administration

Washington State Testing Results for the RSDP of the BPA

Experimental GroupMean Rn Levels (pCi/L +/- Std. Dev.)
Three-month, single familyTotal: 1.27 +/- 2.69, MCS: 1.62 +/- 3.17, Cntl: 0.97 +/- 2.13
Twelve-month, single familyTotal: 1.24 +/- 2.64, MCS: 1.63 +/- 3.39, Cntl: 0.90 +/- 1.65
Three-month, multifamilyTotal: 0.89 +/- 1.28, MCS: 0.78 +/- 1.05, Cntl: 1.55 +/- 1.44
Twelve-month, multifamilyTotal: 0.62 +/- 0.63, MCS: 0.50 +/- 0.28, Cntl: 1.49 +/- 0.65
Source: Office of Conservation and Power Resources, BPA, U.S. Dept. of Energy.