Section 30.596 - Completion and Certification of Post-closure Care(1) No later than 60 days after completion of the established post-closure care period for each hazardous waste management unit or facility subject to the requirements of 310 CMR 30.590, the owner or operator shall submit to the Department, either by hand-delivery or by certified mail, a certification signed by both the owner or operator and by an independent Massachusetts registered professional engineer that (a) post-closure care was performed for the hazardous waste management unit or facility, as applicable, for the required period in compliance with the requirements of 310 CMR 30.000 and of the approved post-closure plan, and(b) the survey plat required by 310 CMR 30.586 has been recorded in the appropriate Registry of Deeds or, if the land in question is registered land, in the registry section of the land court for the district wherein the land lies, and copies of the plat have been submitted to the Department and to the Board of Health of the city or town wherein the land lies, in compliance with 310 CMR 30.586.(c) the notices required by 310 CMR 30.040 and 30.594 have been recorded in the appropriate Registry of Deeds or, if the land in question is registered land, in the registry section of the land court for the district wherein the land lies, and copies of the notices have been submitted to the Department in compliance with 310 CMR 30.040 and 30.594.(2) Until the Department, pursuant to 310 CMR 30.906(8), notifies the owner or operator in writing that he is no longer required to maintain financial assurance for post-closure care of the facility, the owner or owner and the independent Massachusetts registered professional engineer who signed the certification required pursuant to 310 CMR 30.596(1) shall each promptly submit to the Department on request any documentation supporting said certification.(3) Post-closure care shall not be considered complete until so certified in writing by the Department.Amended by Mass Register Issue 1522, eff. 5/24/2024.