definiens: shall mean ( A ) the least stringent industrial clean - up standards that are applicable to the Monte Villa Facility as of th e Closing Date and are allowed under applicable Environmental Law and ( B ) the least costly methods that are allowed under applicable Environmental Law and that are approved by or otherwise acceptable to applicable Governmental Entities to achieve such in dustrial standards, including monitored natural attenuation, in situ remediation, active remediatio n, engineering and institutional controls, deed not ices, property use restrictions to eliminate or minimize exposure pathways, including soil and groundwater u se restrictions, soil and groundwater management plans, and restrictions requiring the Monte Villa Facili ty to remain industrial and not be modified or redevelope d for residential, commercial or other non - industri al use . Purchaser agrees to accept and, if requested t o do so, record on the deed for the Monte Villa Fac ility, such controls, notices and restrictions . In the eve nt Purchaser changes, modifies, or expands the faci lities or operations at the Monte Villa Facility after the Closing Date, and such change, modification or expansion increases the cost of a Remedial Action r equired to satisfy Seller ’s indemnification obligat ions, Purchaser shall be responsible for such incremental increase in cost and, if Seller is conducting and controlling such Remedial Action, Purchaser shall r eimburse Seller for such incremental increase in co st