Sewer Disposable Liquid Scintillation Cocktails

There are only three LSC products currently approved by the State of Washington Department of Ecology for disposal down the sanitary sewer. They are soluble (or readily dispersible) in water and contain less than 10% non-ionic surfactants.

All releases to the environment of radioactive material must be recorded and the records kept for inspection by the Washington State Department of Health. Disposal of radioactive material into the sanitary sewer is subject to sanitary sewer disposal limits (Call Radiation Safety at (206)543-6328 for more information).

Do not put LSC in liquid radioactive waste pails (even sanitary sewer disposable fluids). It is against regulations to bury LSC (which is what happens to the radioactive waste pails). The only material allowed in such pails is liquid radioactive waste in aqueous solution and the required absorbent material.