No concern shall add to or mix with any registered chemical any other chemical or substance excepting a thinning or penetrating agent approved by the chemical manufacturer.
Cal. Code Regs. Tit. 19, § 1293
No concern shall add to or mix with any registered chemical any other chemical or substance excepting a thinning or penetrating agent approved by the chemical manufacturer.
Cal. Code Regs. Tit. 19, § 1293