“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.

Note: Authority cited: Sections 116271 and 116375, Health and Safety Code. Reference: Sections 116275 and 116375, Health and Safety Code.

History

1. Renumbering of former section 64400.47 to new section 64400.49, including amendment of Note, filed 5-28-2021; operative 7-1-2021 (Register 2021, No. 22).