Liquid waste containing radioactive material shall be in compliance with the following rules before it is released into sewers:1.the radioactive material must be soluble in water;2.for radioactive material released into sewers in any single month, the ratio for the total activity to the amount of water shall not exceed the concentrations specified in Schedule IV-2; and3.the total activity of radioactive material released into sewers in a year shall not exceed 1.85E+11 Bq of tritium, 3.7E+10 Bq of carbon-14 and 3.7E+10 Bq of all other radioactive materials combined.Schedule IV Control limits for radionuclides(to+Schedule+IV-1).PDFSchedule IV Control limits for radionuclides(to+Schedule+IV-1).docSchedule IV Control limits for radionuclides(to+Schedule+IV-2).PDFSchedule IV Control limits for radionuclides(to+Schedule+IV-2).doc