Specifications include, but are not limited to: The work described herein pertains to testing, repairs, design, reporting, and troubleshooting cathodic protection systems for steel underground storage tanks (USTs). Work activities performed will be conducted in accordance with the following specifications and will be billed in accordance with the unit costs listed in the offer section. The Vendor will work on an on-call basis with the State of New Hampshire (the State) and will be available to provide work schedules to the State within five (5) business days of the request and to conduct cathodic protection testing within ten (10) business days of the request. The Vendor shall design a new cathodic protection system for existing steel underground storage tanks. Cathodic protection systems shall be designed to provide effective and long lasting corrosion protection. Criteria for protection of steel underground storage tanks and piping systems shall be based on a structure-to-electrolyte potential within a range of -0.850 volts to -1.100 volts relative to a copper-copper sulfate electrode.