Hazardous Substances The words "Hazardous Substances" mean materials that, because of their quantity, concentration or physical, chemical or infectious characteristics, may cause or pose a present or potential hazard to human health or the environment when improperly used, treated, stored, disposed of, generated, manufactured, transported or otherwise handled. The words "Hazardous Substances" are used in their very broadest sense and include without limitation any and all hazardous or toxic substances, materials or waste as defined by or listed under the Environmental Laws. The term "Hazardous Substances" also includes, without limitation, petroleum and petroleum by-products or any fraction thereof and asbestos.
TOXIC SUBSTANCES Each Contractor furnishing a toxic substance as defined by Section 875 of the Labor Law, shall provide such Authorized User with not less than two copies of a material safety data sheet, which sheet shall include for each such substance the information outlined in Section 876 of the Labor Law. Before any chemical product is used or applied on or in any building, a copy of the product label and Material Safety Data Sheet must be provided to and approved by the Authorized User agency representative.
Controlled Substances Has current controlled substances registrations issued by the State of Colorado and the U.S. Drug Enforcement Administration, which registrations have not been surrendered, suspended, revoked or restricted in any manner;
Use of Hazardous Materials Lessee shall not cause or permit any Hazardous Materials to be brought upon, kept or used in, on or about the Project by Lessee, its agents, employees, contractors, licensee, guests, visitors or invitees without the prior written consent of Lessor. Lessor shall not unreasonably withhold such consent so long as Lessee demonstrates to Lessor's reasonable satisfaction that such Hazardous Materials are necessary or useful to Lessee's business and will be used, kept and stored in a manner that complies with all applicable Environmental Laws. Lessee shall, at all times, use, keep, store, handle, transport, treat or dispose all such Hazardous Materials in or about the Property in compliance with all applicable Environmental Laws. Prior to the expiration or earlier termination of this Lease, Lessee shall remove from the Property all Hazardous Materials used or brought onto the Property during the Lease Term by anyone other than Lessor, its agents, employees or contractors.