WAC 173-360-365
Investigation due to offsite impacts. When required by the department or delegated agency, owners
and operators of UST systems shall follow the procedures in
WAC 173-360-370 to determine if the UST system is the source
of offsite impacts. These impacts include the discovery of
regulated substances (including but not limited to the
presence of free product or its constituents in soils,
basements, sewer and utility lines, groundwater, and/or
surface water) that has been observed by the department or
delegated agency or brought to their attention by another
person.
[Statutory Authority: Chapter 90.76 RCW. 90-24-017, §
173-360-365, filed 11/28/90, effective 12/29/90.]