The California Department of Toxic Substances Control (DTSC) has proposed to amend its Safer Consumer Products (SCP) regulations by adding microplastics to the Candidate Chemicals List (Cal. Code Regs., tit. 22, § 69502.2). While this proposed action does not impose immediate compliance obligations, it has substantial implications because once microplastics are listed as Candidate Chemicals, DTSC may identify consumer products containing microplastics as Priority Products. The identification of a Priority Product triggers requirements under California law for manufacturers and entities throughout the supply chain, who must assess alternative product formulations and are subject to response measures prescribed by DTSC.

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