SITE INFORMATION AND CORRESPONDENCE

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ORDERNO. 5-00-119 2 GENERAL ORDER FOR DISCHARGE OF GROUNDWATER FROM CLEANUP OF PETROLEUM FUEL POLLUTION TO SURFACE WATERS These wastewaters may be produced and treated on a continuous or batch basis. The Board may prescribe requirements for any discharge,in accordance with Section 13263 of the California Water Code. . 7. A Notice of Intent must be filed for each discharge in order to be eligible for coverage under this Order. The Notice of Intent shall consist of.the Report of Waste Discharge, filing fee and at a minimum, the contents detailed in Attachment A, Application Requirements. 8. This Order shall apply to individual property owners and/or operators ("Discharger") to whom a Notification of Applicability has been issued by the Executive Officer. Individual Dischargers are not•covered by'this Order until they have been issued a Notification of Applicability by the Executive Officer. If significant public comments are received during the 15 day public commenting period,the proposed discharge may be_considered for an individual permit or for coverage under this General Order at a meeting of the Regional Board. The public commenting period is generally limited to 15 days upon notice of the Discharger's proposed action. Those actions and public notification procedures are described in the:application process contained in Attachment A. 9. The primary pollutants in petroleum products are: Total Petroleum Hydrocarbons (gasoline, diesel, kerosene, fuel oil and heavier ranges);Benzene; Toluene;Ethylbenzene;Xylene;Naphthalene; Polynuclear.Aromatic Hydrocarbons (PAHs); Ethylene Dichloride; Ethylene Dibromide;Methyl Tertiary Butyl Ether(MTBE),Methanol and other,oxygenates; and Organic Lead. Other oxygenate compounds which have been or maybe used Iin petroleum fuel formulations include Ethanol,Tertiary Butyl Alcohol (TBA),Di-isopropyl Ether (D1PE),Ethyl Tertiary Butyl Ether(ETBE),'and Tertiary Amyl Methyl Ether(TAME). Monitoring for these compounds is required by this Order. Additional oxygenate compounds or other additives or problematic components of petroleum fuels maybecoine evident in.groundwater.Effluent limitations and/or receiving water limitations have not yet been developed for these constituents. In the event that such limitations are developed,this General Order maybe reopened and effluent limitations and receiving water limitations included in this Order for those compounds. If this Order is.reopened and new and/or more stringent effluent limits imposed, a phase-in period may be allowed if needed for existing discharges to allow for adjustment of treatment processes. 10. Existing wastewater treatment technology,primarily utilizing air stripping and/or activated carbon, is capable of dependably removing these constituents to concentrations that are non- deteciable by current analytical technology, The commonly achieved reporting levels are as follows: