In cases where chemicals cannot be applied by spray, brush, or immersion, but must be applied by a specialized plant process, they shall be registered only for such method of application. Samples of both the treated and untreated fabric or material of sufficient size for test shall be submitted to an approved laboratory.
Cal. Code Regs. Tit. 19, § 1214
Note: Authority cited: Section 13120, Health and Safety Code. Reference: Sections 13100- 13132, Health and Safety Code.