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obtaining the samples. Samples obtained for laboratory analysis are properly <br />preserved upon collection to ensure accurate analytical results. <br />Data collection will cor.~tinue throughout the life of the mine. If the water <br />quality deviates significantly from baseline, sampling frequency may increase as <br />directed by the BLM. WRN will propose monitoring changes if variations in <br />water quality or flows are not natural fluctuations and are attributed to, or a <br />result of WRN's mining operation. This approach would base changes in <br />monitoring frequency on measured differences rather than from natural <br />occurrences unrelated to WRN's operation. WRN will continuously monitor <br />precipitation data with at least one station on the sodium lease area. <br />2.3 Monitoring Report; <br />Because of the delay in analysis and reporting surface water data, the reports are <br />submitted annually and generally 9-12 months after the end of the water year or <br />September 30. This report will be submitted to the BLM within 30 days of <br />receipt from the USGS. Pursuant to BLM stipulations WRN will notify the <br />authorized officer withni 10 days of the occurrence of any significant changes to <br />the hydrology system. <br />30 <br />