Adjacent properties
 4. (1) Two properties are adjacent for the purposes of this Regulation if the boundary of one property touches or, were it not for an intervening highway, road allowance, railway line, railway allowance or utility corridor, would touch the boundary of the other property.  O. Reg. 419/05, s. 4 (1). (2) For the purposes of this Regulation, except section 46, two or more properties on which different sources of contaminant are located shall be deemed to be a single property if each of the properties is adjacent to one or more of the other properties and, (a) the persons responsible for the sources of contaminant have jointly notified the Director in writing that they wish the properties to be deemed to be a single property with respect to all contaminants; (b) the Director has reasonable grounds to believe that a contravention of section 19 or 20 may occur as a result of discharges of a contaminant from the different sources of contaminant if the properties are deemed to be a single property, and the Director has given written notice of that belief to the persons responsible for the sources of contaminant; (b.1) the persons responsible for the sources of contaminant are required to prepare a report to which subsection 22 (1.1) applies, the Director has reasonable grounds to believe that a contravention of section 19 may occur as a result of discharges of a contaminant from the different sources of contaminant if section 19 applies and the properties are deemed to be a single property, and the Director has given written notice of that belief to the persons responsible for the sources of contaminant; or (c) the persons responsible for the sources of contaminant are required to prepare a report to which subsection 22 (1.2), 23 (3), 24 (2), 30 (5) or 33 (6) applies, the Director has reasonable grounds to believe that a contravention of section 20 may occur as a result of discharges of a contaminant from the different sources of contaminant if section 20 applies and the properties are deemed to be a single property, and the Director has given written notice of that belief to the persons responsible for the sources of contaminant.  O. Reg. 419/05, s. 4 (2); O. Reg. 605/05, s. 1 (1, 2); O. Reg. 507/09, s. 2; O. Reg. 282/11, s. 3. (2.1) Subject to subsection (2.2), clause (2) (a) does not begin to apply until 60 days after the Director receives the notice referred to in that clause.  O. Reg. 605/05, s. 1 (3). (2.2) Clause (2) (a) does not apply if the Director has reasonable grounds to believe that an adverse effect may occur if one or more of the properties are excluded from the single property and gives written notice of that belief to the persons responsible for the sources of contaminant.  O. Reg. 605/05, s. 1 (3). (2.3) The Director shall not give a person a notice under subsection (2.2) unless the Director first gives the person a draft of the notice and an opportunity to make written submissions to the Director during the period that ends 30 days after the draft is given.  O. Reg. 605/05, s. 1 (3). (3) Before the Director gives a person a notice under clause (2) (b), (b.1) or (c), the Director shall give the person a draft of the notice and an opportunity to make written submissions to the Director during the period that ends 30 days after the draft is given.  O. Reg. 419/05, s. 4 (3); O. Reg. 516/07, s. 2. (4) Subsection (2) applies only if every property on which a source of contaminant is located, (a) uses raw materials, products or services from one or more of the other properties on which the sources of contaminant are located; or (b) provides raw materials, products or services to one or more of the other properties on which the sources of contaminant are located.  O. Reg. 419/05, s. 4 (4). (5) Clause (2) (c) only applies for the purpose of preparing the report referred to in that clause.  O. Reg. 419/05, s. 4 (5).