5 Things You Should Know About Phase I Environmental Site Assessments By Jose Almanzar of Periconi, LLC posted in Superfund (CERCLA & State Superfund) on Wednesday, December 19, 2018. Tenant Liability Exemption under CERCLA Broadens in 2018 Congressional Appropriations Law By James Periconi of Periconi, LLC on Wednesday, August 1, 2018. What Is Required to Retain the Bona Fide Prospective Purchaser Exemption from CERCLA Liability? By James Periconi of Periconi, LLC posted in environmental due diligence on Thursday, January 15, 2015. Have you been in the market to buy property, but learned that the property was contaminated? There are steps that you can take to avoid opening yourself up to liability.