23-0485: A resolution approving a proposed Second Amendatory Agreement between the City and County of Denver and Pinyon Environmental, Inc. to continue environmental site assessment, brownfields redevelopment, leaking underground storage tank removal and other environmental services, citywide. Amends an on-call contract with Pinyon Environmental, Inc. by adding 2 years for a new end date of 12-31-2025 to continue environmental site assessment, brownfields redevelopment, leaking underground storage tank removal and other environmental services, citywide. No change to contract amount (ENVHL-202056463-02/ ESEQD-202367349-02).