Each of the following shall be a "Tariff Re-Opener Event":
(a) the Occurrence of an Exceptional Raw Water Quality Deterioration Event;
(b) if due to causes not attributable to either Party the amount of Raw Water available falls below [specify water levels] and remains at such levels for [specify period];
(c) the occurrence of a Force Majeure Event that results in losses that are not covered by insurance that the Company is required to obtain and maintain under this Agreement; or
(d) a change in the Treated Water Specifications due to a Change in Law.