Spring Waste Rock Storage Area Seepage Survey Case File, Ekati Diamond Mine (BHP Billiton, July to August 2000)

BHP Diamonds Inc. Spring 2000 Waste Rock Storage Area Seepage Survey Report submitted to the Mackenzie Valley Land and Water Board (Melody Macleod), under Water Licence Application NFL2-1616, August 9 2000. Includes ENVIRO-TEST Chemical Analysis lab reports (Edmonton) of seepage samples for sulfate (SO4 — 2180 mg/L peak), total suspended solids, turbidity, pH, conductivity, total alkalinity, ammonia-N, nitrate, uranium (U), vanadium (V), zinc (Zn), and other metals, plus an Enhanced Monitoring and Confirmation Plan emphasizing sulphide content tracking in the Panda pit.