G.2.6 Deep Infiltration Subsurface Investigation

Refer to Table II-5.4 to determine the minimum subsurface investigation requirements for a project. The deep infiltration subsurface investigation report shall be prepared by a licensed professional. Refer to report submittal requirements in Volume II, Chapter 1.

Table G.4. Deep Infiltration Subsurface Investigation Elements.

Minimum Investigation Depth	At least 10 feet below regional groundwater table or into aquitard underlying target soil
Characterization for each soil and/or rock unit (strata with the same texture, color/mottling, density, and type)	Same as G.2.4 Standard Subsurface Investigation
Detailed logs for each investigation	Same as G.2.4 Standard Subsurface Investigation