"Haloacetic acids (five)" or "HAA5" means the sum of the concentrations in milligrams per liter (mg/L) of the haloacetic acid compounds (monochloroacetic acid, dichloroacetic acid, trichloroacetic acid, monobromoacetic acid, and dibromoacetic acid), rounded to two significant figures after addition.
Cal. Code Regs. Tit. 22, § 64400.49
Note: Authority cited: Sections 116271 and 116375, Health and Safety Code. Reference: Sections 116275 and 116375, Health and Safety Code.