For purposes of this part, the following definitions apply:

1. (a) “Department” means the California Department of Tax and Fee Administration.
2. (b) “Extraction” means the process of removing lithium from geothermal fluid, spodumene ore, rock, minerals, clay, or any other naturally occurring substance by a physical or chemical process.
3. (c) “Geothermal fluid” means naturally occurring groundwater, brines, vapor, and steam associated with, or derived from, a geothermal resource.
4. (d) “Geothermal resource” has the same meaning as defined in Section 6903 of the Public Resources Code.
5. (e) “In this state” means within the exterior limits of the State of California and includes all territory within these limits owned by, or ceded to, the United States.
6. (f) “Metric ton” means a unit of mass equal to 1,000 kilograms.
7. (g) “Minerals” has the same meaning as defined in Section 2005 of the Public Resources Code.
8. (h) “Producer” means any person who extracts lithium from geothermal fluid, spodumene ore, rock, minerals, clay, or any other naturally occurring substance in this state.
9. (i) “Committee” means the Lithium Extraction Tax Citizens Oversight Committee.