Section 25299.91 Of Article 11. Commingled Plume Account From California Health And Safety Code >> Division 20. >> Chapter 6.75. >> Article 11.
25299.91
. As used in this article, the following terms have the
following meaning:
(a) "Commingled plume" means the condition that exists when
groundwater contaminated with petroleum from two or more discrete
unauthorized releases have mixed or encroached upon one another to
the extent that the corrective action performed on one plume will
necessarily affect the other. A commingled plume does not include
either of the following:
(1) Contaminated groundwater plumes resulting from unauthorized
releases or discharges from a single site.
(2) Soil contamination, unless it can be demonstrated that the
contaminated soil is an immediate threat to groundwater.
(b) "Contributing site" means a site on which an unauthorized
release or discharge of waste has occurred or is occurring and has
impacted or threatens to impact groundwater.