206. The modification of any apparatus or equipment intended to treat wastewater that is covered by an authorization and to which discharge standards apply is eligible for a declaration of compliance if the modification leads to a level of performance and efficiency at least equivalent to those obtained before the modification for the treatment of the contaminants present in the wastewater.
In addition to the elements provided for in section 41, the declaration of compliance must include a declaration from an engineer attesting that the modification to the apparatus or equipment allows the following objectives to be achieved:
(1) ongoing compliance with the standards of the Acts and the regulations under it, as well as with the conditions, restrictions and prohibitions set out in the operator’s authorization;
(2) the equivalent or improved performance and efficiency of the apparatus or equipment, compared to those of the original apparatus or equipment.
Not later than 60 days from the modification of the apparatus or equipment, the applicant must file with the Minister an attestation from an engineer stating that the work was performed in accordance with the information and documents filed in the declaration of compliance or, if changes have occurred, that the modification to the apparatus or equipment allows the objectives referred to in subparagraphs 1 and 2 of the second paragraph to be achieved.