“Hazardous Materials” means # any “hazardous substance,” “pollutant,” “contaminant,” “hazardous waste,” “regulated substance,” “hazardous chemical” or “toxic chemical” as designated, listed or defined (whether expressly or by reference) in any Environmental Law; # any other pollutant, chemical, substance, toxic, infectious, carcinogenic, reactive, corrosive, ignitable or flammable chemical, or chemical compound, or hazardous substance, material or waste, whether solid, liquid or gas, that is subject to regulation, control or remediation under any Environmental Laws, including any quantity of asbestos in any form, urea, formaldehyde, polychlorinated biphenyls (PCBs), radon gas, petroleum, waste oil, crude oil, or any fraction thereof, all forms of natural gas, petroleum products or by-products or derivatives, and # any compound, mixture, solution, product or other substance or material that contains any hazardous substance or material referred to in [clause (a) and (b) above].

Tenant shall not cause or permit any Hazardous Materials (as defined below) to be brought upon, kept or used in or about the Premises, the Building or the Project in violation of Applicable Laws by Tenant or any of its employees, agents, contractors or invitees (collectively with Tenant, each a “Tenant Party”). If # Tenant breaches such obligation, # the presence of Hazardous Materials as a result of such a breach results in contamination of the Project, any portion thereof, or any adjacent property, # contamination of the Premises otherwise occurs during the Term or any extension or renewal hereof or any holding over by Tenant hereunder or # contamination of the Project occurs as a result of Hazardous Materials that are placed on or under or are released into the Project by a Tenant Party, then Tenant shall Indemnify the Landlord Indemnitees from and against any and all Claims of any kind or nature, including # diminution in value of the Project or any portion thereof, # damages for the loss or restriction on use of rentable or usable space or of any amenity of the Project, # damages arising from any adverse impact on marketing of space in the Project or any portion thereof and # sums paid in settlement of Claims that arise before, during or after the Term as a result of such breach or contamination. This Indemnification by Tenant includes costs incurred in connection with any investigation of site conditions or any clean-up, remedial, removal or restoration work required by any Governmental Authority because of Hazardous Materials present in the air, soil or groundwater above, on, under or about the Project. Without limiting the foregoing, if the presence of any Hazardous Materials in, on, under or about the Project, any portion thereof or any adjacent property caused or permitted by any Tenant Party results in any contamination of the Project, any portion thereof or any adjacent property, then Tenant shall promptly take all actions at its sole cost and expense as are necessary to return the Project, any portion thereof or any adjacent property to its respective condition existing prior to the time of such contamination; provided that Landlord’s written approval of such action shall first be obtained, which approval Landlord shall not unreasonably withhold; and provided, further, that it shall be reasonable for Landlord to withhold its consent if such actions could have a material adverse long-term or short-term effect on the Project, any portion thereof or any adjacent property. Tenant’s obligations under this Section shall not be affected, reduced or limited by any limitation on the amount or type of damages, compensation or benefits payable by or for Tenant under workers’ compensation acts, disability benefit acts, employee benefit acts or similar legislation. Notwithstanding the foregoing, Landlord shall Indemnify the Tenant Parties from and against any and all Claims arising from the presence of Hazardous Materials at the Project in violation of Applicable Laws as of the Execution Date, unless placed at the Project by a Tenant Party.

Are hazardous materials used or stored? If so, continue with the next question. If not, go to [Section 3.0].

Are hazardous wastes generated? Yes☐ No

Hazardous Materials. As of the Effective Date, Paragraph 57 of the Original Lease is hereby modified and amended # so as to clarify that the restrictions, obligations and liabilities of ​ pursuant to said Paragraph 57 shall be deemed to apply to both # the introduction by any person or entity (other than Landlord, its agents or contractors) of any Hazardous Materials in or on the Demised Premises during the Term of the Lease and # the introduction by ​ or any of ​’s Related Parties of any Hazardous Materials in, on or under any other portion of the Building or the Real Property; # to add the following paragraph to Paragraph 57 of the Original Lease:

Hazardous Activities. Notwithstanding any other provision of this Lease, Landlord, for itself and its employees, agents and contractors, reserves the right to refuse to perform any repairs or services in any portion of the Premises which, pursuant to Tenant’s routine safety guidelines, practices or custom or prudent industry practices, require any form of protective clothing or equipment other than safety glasses. In any such case, Tenant shall contract with parties who are acceptable to Landlord, in Landlord’s reasonable discretion, for all such repairs and services, and Landlord shall, to the extent required, equitably adjust Tenant’s Share of Operating Expenses in respect of such repairs or services to reflect that Landlord is not providing such repairs or services to Tenant.

Hazardous Materials. ​ and ​ agree as follows with respect to the existence or use of “Hazardous Materials,” as that term is defined in [Section 29.37.4], below, on the Project.

Hazardous Materials As used herein, the term “Hazardous Materials” means any hazardous, radioactive or toxic substance, material or waste which is or becomes regulated by any local governmental authority, the State of California or the United States

Hazardous Materials. Subtenant shall not use, store, transport or dispose of any Hazardous Materials (as defined in the Master Lease) in or about the Subleased Premises except as expressly permitted under the Master Lease, as incorporated herein, including Section 5.3 thereof. In the Shared Area, Subtenant shall not use, store, transport or dispose of any Hazardous Materials except for normal types and quantities of Hazardous Materials typically used in connection such space, which Subtenant may use in strict compliance with all applicable laws and regulations.

“Hazardous Substances” means any toxic, radioactive, caustic or otherwise hazardous substance, including petroleum, its derivatives and by-products and other hydrocarbons, or any substance having any constituent elements displaying any of the foregoing characteristics.