California Code, Health and Safety Code - HSC § 11301

(a) Receive voluntarily provided samples of substances potentially containing controlled substances or controlled substance analogs.

(b) Possess, transport, transfer, or store a sample of a controlled substance or a controlled substance analog solely for the purpose of analyzing the substance to determine its chemical composition.

(c) Use available technologies to analyze the contents of samples to obtain timely and accurate information regarding the composition of controlled substances or controlled substance analogs.

(d) Provide results of analysis obtained from controlled substance checking equipment to the person requesting controlled substance checking services.

(e) Provide information and harm reduction services and advice to help individuals make informed decisions about use of controlled substances and controlled substance analogs.

(f) Disseminate data containing only the results of analysis and containing no personally identifiable information to community members at risk of overdose.

(g) If necessary, arrange for a sample of a substance to be tested by a laboratory for secondary verification, including transportation of samples.

(h) Purchase, obtain, possess, provide, transport, distribute, use, or evaluate the use of controlled substance checking equipment.

(i) Provide training and technical assistance concerning controlled substance checking equipment, the process of controlled substance checking, and the purpose of controlled substance checking.

(j) Work in collaboration with a local health officer, the State Department of Public Health, or a research institution to conduct or engage in any activities authorized by this article.