Chapter:	311B	Title:	AIR POLLUTION CONTROL (DUST AND GRIT EMISSION) REGULATIONS	Gazette Number:
Regulation:	2	Heading:	Interpretation	Version Date:	30/06/1997

In these regulations, unless the context otherwise requires-
"dust" (塵埃) means particles of solid matter which will pass through a sieve of 75 micrometre nominal aperture in conformity with BS 410: 1986 of the British Standards Institution; (L.N. 262 of 1987)
"grit" (砂礫) means particles of solid matter which are retained in a sieve of 75 micrometre nominal aperture in conformity with BS 410: 1986 of the British Standards Institution; (L.N. 262 of 1987)
"person using a liquid fuel" (使用液體燃料的人) includes a person who is the owner or has possession or control of the burner of the furnace, oven or industrial plant in which the liquid fuel is used;
"rated capacity" (額定功率) in relation to a burner of any furnace, oven or industrial plant means the manufacturer's published capacity rating of the burner or, if such capacity rating is not available, the capacity rating of the burner as measured by a method approved by the Authority; (17 of 1983 s. 50)
"sample" (樣本) means a gross sample composed of a number of increments taken separately or cumulatively;
"viscosity" (黏度) in relation to a liquid fuel means the strength or resistance of the liquid fuel offered to shear, such strength or resistance being determined by the rate of flow of the liquid fuel in given circumstances and at given temperatures expressed in centistokes or by any of the test procedures contained in the First Schedule. (L.N. 262 of 1987)