California Code, Government Code - GOV § 8351

(a) “Drug-free workplace” means a site for the performance of work done in connection with a specific grant or contract described in Article 2 (commencing with Section 8355) of an entity at which employees of the entity are prohibited from engaging in the unlawful manufacture, distribution, dispensation, possession, or use of a controlled substance in accordance with the requirements of this chapter.

(b) “Employee” means the employee of a grantee or contractor directly engaged in the performance of work pursuant to the grant or contract described in Article 2 (commencing with Section 8355).

(c) “Controlled substance” means a controlled substance in schedules I through V of Section 202 of the Controlled Substances Act (21 U.S.C. Sec. 812).

(d) “Grantee” means the department, division, or other unit of a person or organization responsible for the performance under the grant.

(e) “Contractor” means the department, division, or other unit of a person or organization responsible for the performance under the contract.