2000 February: Johns Hill Plant Kallista. Pesticides detected: Aldrin, Lindane and Heptachlor

Johns Hill Plant 7/2/00 (Kallista) for; Aldrin 0.02 ug/L, Lindane 0.02ug/L Heptachlor 0.013 ug/L

Johns Hill Plant was supplied via closed pipeline from Silvan Reservoir, which raises the question was the source of the organochlorines Silvan and if so why were the pesticides detected at Johns Hill and not at Silvan?