definiens: means any and allLaws or other legally enforceable requirements ( including, without limitation, common law ) of any Governmental Entity, regulating, relating to or imposingliability or standards of conduct concerning protection of the environment or ofhuman health, or employee health and safety ; ( ii ) meansany report, study, assessment or audit that addresses any issue of actual orpotential noncompliance with, actual or potential liability under or costarising out of, or actual or potential impact on the business of the Company orany of its Subsidiaries in connection with, any Environmental Law or anyproposed or anticipated change in or addition to any Environmental Law relatingto the Company or any of its Subsidiaries or any entity for which any of themmay be liable ; ( iii ) means any gasoline orpetroleum ( including crude oil or any fraction thereof ) or petroleum products, polychlorinated biphenyls, urea - formaldehyde insulation, asbestos, pollutants, contaminants and radioactivity that is regulated pursuant to or could result inliability under any Environmental Law ; and ( iv ) means anyaction to ( A ) investigate, clean up, remove or treat any Materials ofEnvironmental Concern, or ( B ) prevent the release or threat of release of anyMaterials of Environmental Concern