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<br />TABLE I <br />ACCEPTABLE SURF`l(~ CODII'ANLiNATICN LEUf~S <br />N[~LIDESa <br />Alpha emissions from <br />U-nat, U-235, U-238, <br />and associated decay <br />products <br />Alpha emissions from <br />Transuranics, <br />Pa-226, Fa-228 <br />Th-230, Th-228, Pa-231, <br />Ac-227, I-125, I-129 <br />Alpha emissions from <br />Th-nat, Zh-232, Sr-90 <br />Ih-223, Fa-224, U-232, <br />I-126, I-131, I-133 <br />Beta-gamma emitters <br />AVERAGEb c f MAXIMUMb d f g~,~pRT Fb o f <br />5,000 dpm 15,000 dpm <br />100 cm2 100~cmr2 <br />100 dpm 300 dpm <br />r <br />Pe <br />100 cm2 100 cm2 <br />1,000 dpm <br />Per <br />100 cm2 <br />20 dpm <br />per . <br />100 cm2 <br />1,000 dpm 3,000 dpm 200 dpm <br />100 cm2 100 cm2 lO~Orrnn2 <br />(nuclides with decay 5,000 dpm 15,000 dpm 1,000 dpm <br />modes other than alpha per per per <br />emission or spontaneous 100 cm2 100 cm2 100 cm2 <br />fission) except Sr-90 and <br />others noted above. <br />a Yfiere surface contamination by Loth alpha and betajgaimna-emitting nuclides <br />exists, the limits established for alpha and beta/ganmia-emitting nuclides <br />should apply independently. <br />b As used in this table, dpm (disintegrations per minute) means the rate of <br />emission 1R' radioactive material as determined by correcting the counts <br />per minute observed by an appropriate detector for background, efficiency, <br />and geometric factors associated with the instrumentation. <br />VII -30- <br />