For the purposes of this article, the following definitions shall apply:

1. (a) “Management” means disposal, storage, packaging, processing, pumping, recovery, recycling, transportation, transfer, treatment, use, and reuse.
2. (b) “Perchlorate” means all perchlorate-containing compounds.
3. (c) “Perchlorate facility” means all contiguous land, and the structures, appurtenances and improvements on the land, that has been used for the management of perchlorate material. A perchlorate facility may consist of one or more units, or combination of units, that is or has been used for the management of perchlorate material.
4. (d) “Perchlorate material” means perchlorate and all perchlorate-containing substances, including, but not limited to, waste perchlorate and perchlorate-containing waste.
5. (e) “Public drinking water well” has the same meaning as defined in paragraph (1) of subdivision (a) of Section 25299.97.