The Spill Prevention and Contingency Plan Regulation, under the Environmental Protection Act came into force September 1, 2008. This regulation requires those currently subject to Ontario Regulation 222/07 (Environmental Penalties), also referred to as MISA companies, to review plans on a yearly basis. On January 1, 2009, regulated entities were required to prepare a written statement regarding adequacy of the plans. This statement must be retained at the plant for five years.

For further information please see the regulation at:  

http://www.e-laws.gov.on.ca/html/source/regs/english/2007/elaws_src_regs_r07224_e.htm