I2 TOXIC CONTAMINATION (3) << Present Status >> None << Main contaminants and their concentrations >> In water YEAR: 1986 [ppm] Name of contaminant T-Hg Cd Cr (VI) CN Pb As PCB Pesticide (org-P) Concentrion <.0005 <.005 <.02 N.D. <.005 <.02 N.D. N.D.