"Possible contaminating activity (PCA)" means a human activity that is an actual or potential origin of contamination for a drinking water source and includes sources of both microbiological and chemical contaminants that could have adverse effects upon human health.
Cal. Code Regs. Tit. 22, § 64400.93
1. New section filed 6-17-2021; operative 7-1-2021 pursuant to Government Code section 11343.4(b)(3) (Register 2021, No. 25). Transmission deadline specified in Government Code section 11346.4(b) extended 60 calendar days pursuant to Executive Order N-40-20. Note: Authority cited: Sections 116271, 116275 and 116350, Health and Safety Code. Reference: Sections 116271, 116275 and 116350, Health and Safety Code.
1. New section filed 6-17-2021; operative 7/1/2021 pursuant to Government Code section 11343.4(b)(3) (Register 2021, No. 25). Transmission deadline specified in Government Code section 11346.4(b) extended 60 calendar days pursuant to Executive Order N-40-20.