A juggling act with values of maximum permissible concentration of radionuclides in air and water.
Morgan
K Z
KZ
D000398:Air Pollution, Radioactive / Q000331:legislation & jurisprudence*; D008452:Maximum Allowable Concentration; D011868:Radioisotopes; D014481:United States; D014878:Water Pollution, Radioactive / Q000331:legislation & jurisprudence*
D011868:Radioisotopes