(4) the apparatus or equipment is installed and operated at one of the following sites or during one of the following activities:(a) a flour mill or other establishment for processing grain;
(b) a distillery or brewery;
(c) a powdered food plant;
(d) a concrete plant;
(e) a closed storage site;
(f) a sandblasting workshop;
(g) a drilling operation other than the drilling of a well to supply drinking water;
(h) the crushing or sieving of waste brick, concrete, cement, bituminous concrete or architectural stone;
(i) the transfer, fall or handling of sawdust and wood chipsi. in a cement works, for its sporadic emission sources, except for a clinker kiln and cooler;
ii. in a plant for the primary processing of wood and wood products;