1G1 - ORDINANCE RELATING TO ENVIRONMENTAL PROTECTION IN THE INCORPORATED AND UNINCORPORATED AREAS; AMENDING SECTION 24-44 OF THE CODE OF MIAMI-DADE COUNTY, FLORIDA; PROVIDING FOR APPROVAL OF NON-RECORDED INSTITUTIONAL CONTROLS FOR — NO FURTHER ACTION WITH CONDITIONS — SITE CLOSURES IN CONNECTION WITH CONTAMINATED SITE CLEANUPS UNDER CERTAIN CIRCUMSTANCES; MAKING TECHNICAL AND CLARIFYING CHANGES; PROVIDING SEVERABILITY, INCLUSION IN THE CODE, AND AN EFFECTIVE DATE