Cal. Public Resources Code § 42355.5

(a) The Legislature finds and declares that it is the public policy of the state that environmental marketing claims, whether explicit or implied, should be substantiated by competent and reliable evidence to prevent deceiving or misleading consumers about the environmental impact of plastic products. For consumers to have accurate and useful information about the environmental impact of plastic products, environmental marketing claims should adhere to uniform and recognized standards, including those standard specifications established by the American Society for Testing and Materials. (b) The Legislature further finds and declares that it is the public policy of the state that claims related to the recyclability of a product or packaging be truthful in practice and accurate. Consumers deserve accurate and useful information related to how to properly handle the end of life of a product or packaging.