Table 2 (Cont'd) 1973 ID ¢ . 1974 1976 197) 1978 1979 - Jan. 1980 - Aug. | 90... 137, 90, 1370, 900. a7 90. 137... 90. 137, 90. 7, 90... Le 90. re Ucine Conc. Urine Conc. Urine Conc. Urine Conc. Ucine Couc. Urine Conc. Urine Conc. Urine Conc, Urine Conc. Urine Conc. Urine Conc. Urine Cone. Urine Conc. Urine Conc. Urine Conc. Urine Conc. pei/k uCi/t pci/Q ncift pci/t nci/h 6033 6018 3.0 0.60 y.at 0.6 2.8% 0.2 60694 pei/t ncift pcei/e nCi/e pcist 42 t 1.2 NA 7.6 4 0.91 NA WA 16 i 0.44 6066 2.38 0.2 0O.29t 0.06 2.9 £ 1.6 9.1 t 6.31 606? 5.6! 6.6 1.92 0.2 2.3% 0.73 NA 606? 2.8! 0.4 1.02 0.2 t 12 2.7 t 3? 0.61 10 i 1.3 NA 601) 1979 - May 6.2 0.90 60189 1.68 0.2 l.b ot 0,2 6001 4.ut 0.8 2.9 t 0,2 ? ae 1.2 6.9 £ 0.4 0.54 0.25 , nCi/h pci/h ft 5.2 0.10 3.1 2 1.2 2.7 ¢t 0.17 G.56t @.0l 4&.t 0.21 ¢t =—senCi/t 1.2 t 1.2 1.2 & 12 O.5i1£ 0.95 2.0 ¢ 0.09 4.6% 2.0 ft 1.4 0.13 pei/t ni/te