47. Not later than the third trimester of the 29th post-closure year, the owner of the contaminated soil burial site must have a certified and independent professional prepare an assessment of the burial site and where applicable, its impact on the environment and have it forwarded to the Minister.
The owner of the contaminated soil burial site shall be released from the obligations imposed upon him under paragraph 3 of section 43 where the assessment proves that the burial site remains in every way compliant with the standards applicable and that it is no longer likely to be a source of contamination.
In the opposite case, the obligations prescribed by section 43 for the post-closure period shall continue to apply for as long as the owner of the contaminated soil burial site is unable to demonstrate conformity as provided in the second paragraph.