Standard Values for Radiological Constituents
Constituents Activity Level (Bq/liter)
gross alpha activity 0.1 (excluding radon)
gross beta 1
radon 11(MCL)
Sampling Frequency Requirements for Radiological Constituents
Type Frequency Condition
Initial Four consecutive         quarters for one year
Routine One sample                    every 3 years If running average from four consecutive quarterly samples > 50% of MCL
Reduced One sample                    every 6 years If initial average is 50% of MCL

Related Posts :
PNSDW 2007 Minimum Frequency of Sampling
PNSDW 2007 – Priority Parameters for Monitoring
Philippine National Standards for Drinking Water 2007
Samsung Q7F QLED TV Review and Specs
Samsung Galaxy Note 7R released – Safety and Quality ensured