The owner is the party who control the site.

In accordance with section 2 of the Air Pollution Control Ordinance, the owner of the premises in the following capacity:

(a) 業主；
the owner;

(b) 就該建築物或處所而言，是該建築物或處所的承租人或佔用人；
in relation to the building or premises, the lessee or occupier of the building or premises;

(c) 為進行建造工程而管有該處所的承建商；
the contractor who has possession of the premises for the purposes of construction work;

(d) 就該建築物的公用地方而言，是該建築物的管理委員會或負責該建築物的管理或管轄的其他團體。
in relation to the common area of the building, the management committee or other body responsible for the management or control of the building.