23-0489: A resolution approving a proposed Second Amendatory Agreement between the City and County of Denver and Trihydro Corporation to continue environmental site assessment, brownfields redevelopment, leaking underground storage tank removal and other environmental services, citywide. Amends an on-call contract with Trihydro Corporation by adding $1,000,000 for a new total of $3,000,000 and 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 (ENVHL-202056457-02/ ESEQD-202367397-02). The last regularly scheduled Council meeting within the 30-day review period is on 6-5-2023. The Committee approved filing this item at its meeting on 5-3-2023.