“Intrinsic Tracer” means a substance or attribute present in the recharge water at levels different from the receiving groundwater such that the substance in the water applied at the GRRP can be distinctly and sufficiently detected in the groundwater downgradient of the GRRP to determine the underground retention time of the water.

Note: Authority cited: Sections 13521, 13562 and 13562.5, Water Code; and Sections 131052 and 131200, Health and Safety Code. Reference: Sections 13520, 13522, 13522.5, 13523, 13523.1, 13524, 13560, 13561 and 13562.5, Water Code.

History

1. New section filed 6-18-2014 as an emergency; operative 6-18-2014. Submitted to OAL for filing and printing only. This adoption is not subject to OAL review and shall remain in effect until revised by the Department of Public Health pursuant to Water Code section 13562.5 (Register 2014, No. 25).