Tree bark, poor quality wood chips, sawdust and other clean wood-based waste products that cannot be converted into solid wood products or pulp and paper products; used as fuel to generate steam and electricity.

Weight in grams of one square metre of paper or board; also basis weight.

Wood fibre never before used to make pulp, paper or board. Also known as primary fibre.

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British Columbia’s ‘A’ level ambient odour objective is two parts per billion average or less over a 24-hour day. Percentage compliance with this objective is a measure of the percentage of days in the year during which the daily average was at or below two parts per billion.

A measure of ambient levels of fine particulates of less than or equal to 2.5 microns. British Columbia’s PM2.5 objective is 25 micrograms per cubic metre (24-hour average).

A measure of ambient levels of fine particulate of less than or equal to 10 microns. British Columbia’s PM10 objective is 50 micrograms per cubic metre (24-hour average).

A measure of the amount of chlorine bound to an organic substance; occurs in kraft bleaching process.

The weight of a standard amount of paper cut to a standard size; measured in grams per square metre or pounds.

A measure of the amount of oxygen used during biodegradation of effluents over a five-day period.