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§144. 36) . The permittee will be authorized to inject for a 10-year period beginning on the effective date of this permit. The draft permit contains a condition which states that EPA may, for cause, modify, revoke and reissue, or terminate the permit in accordance with any applicable amendments to the Safe Drinking Water Act (SDWA) . Additionally, the draft permit requires the permittee to conduct mechanical integrity testing prior to commencing injection and annually thereafter to demonstrate that underground sources of drinking water (USDWs) are being protected. The California Division of Oil and Gas has granted the Facility a permit to drill an exploratory well. The exploratory well is being drilled to determine the true value of the TDS (Total Dissolved Solids) content in the proposed injection zone. The well will be drilled to the proposed primary injection zone and samples of the formation fluids will be taken to a lab for analysis. If the TDS value is less than 10, 000 ppm, this zone would be classified as a USDW (Underground Source of Drinking Water) and therefore would not qualify for a Class I injection well permit. In such a case, the exploratory well will be drilled to a deeper, alternate zone. Information gathered from sampling and testing conducted during the entire drilling and construction of the exploratory well will be sent to the EPA for review. The EPA Class I non-hazardous waste injection well permit will allow the use of the exploratory well as an injection well provided it is drilled and constructed in accordance with the requirements of this permit and 40 CFR §146The exploratory well will not be authorized for wastewater disposal purposes until a final permit is issued and in effect pursuant to the Underground Injection Control regulations of the U.S. Environmental Protection Agency. 4