Document 85Xjz0ZgorLQ947KKwE70RK8B

r N o K) fO Lead in Urine; Oo O- in N35563 mg./liter o k> o Winter Jan-M ar Spring A pr-Jun Summer J u l- Sep Fall Oct-Dec f Lead in Urine: o o o o Pro ; o 2 a a> o iQ 3 CD IO K> 4^ 3 C c </ 5 Q CO CD < Q r~ Q CaCOL <r </> <0 O 3 < <0_ (/}