NORM/TENORM Example: Ship TANKER SLUDGE NORM Ra-226 < 0.006 Bq/g (Original activity) Ra-228 < 0.004 Bq/g TECHNOLOGICAL PROCESS INCINERATION SLUDGE ASH TENORM Ra-226 = 0.12 Bq/g (Activity became Ra-228 = 0.15 Bq/g concentrated)