- (a) Information shall be collected to prepare a lithologic sample log of each borehole drilled and a geophysical log of each borehole to be converted to a piezometer.
- (b) All pertinent information, such as the depth at which water was encountered, shall be included on the log.
- (c) Depth of water in boreholes shall be measured at the time of drilling and again 24 hours later.
Added at 20 Ok Reg 1151, eff 6-1-03