1981 Original signed by B. Marr Deputy Minister Environment February 3, 1986.
All characteristics apply to unfiltered water.
The average is calculated from at least 5 weekly samples taken in a period of 30 days. The process for establishing water quality objectives is more fully outlined in Principles for Preparing Water Quality Objectives in British Columbia , copies of which are available from Water Quality Section of the Water Management Branch. Neither guidelines nor objectives which are derived from them, have any legal standing. The objectives, however, can be used to calculate allowable limits or levels for contaminants in waste discharges. These limits are set out in waste management permits and thus have legal standing.