Tro bors background inv ba the ¢ it > peoatinral * 7) ‘7 aocrt in gurface waters, - ps ho the DES at the Columbia and Savannai Ri e a,sterma ia. - t Searing, and provide . agricuitparal, andindustria! Moe bho normal water from witer oc a2 ..cport : protective mech active omp The deyree it vf s a decortamiia' ootet yf soa view atfictency cf 4 my od ba ase 4 Depeche ise Pie adir me ? coomaval of radiniasctopes reat ems an the natiral 10 cart eat our. eater triat> tection ts - 4d —- t* rang the radio- affae Rmited protection, - oe ot 19% ty 98% removalt or- ‘..tor TAR, wore Rr - , M4 t Lo 8 Columbia Ziver studies. oy 9 Interim Report on the Savannah diverStudies, July.951s ha July 1952, 9 S Jepartment of TF’ Public Health ‘Service, 1954. 10 sy imitations of Water Treatment sMetheds for Removing Radioactive Contaminants’ ty > (1955). P 3tra.b abire Health Reports, No. . 70, 897 vite, ' </

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