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r <br /> 1 <br /> REFERENCES CITED <br />' American Petroleum Institute, 2000, No-Purge Groundwater Sampling An Approach to Long- <br /> Term Monitoring, 10 p <br />' Los Angeles Regional Water Quality Control Board, 1997, Subject of Non purge Method for <br /> Sampling Groundwater Monitoring Wells at Gasoline Impacted Sates April 23, 1997 letter to all <br />' interested parties,4 p <br /> Santa Ana Regional Water Quality Control Board, 1997, Subject Utilization of Unpurged <br /> Methods for Sampling Hydrocarbon Constituents an Groundwater May 21, 1997 letter to All <br />' interested Parties, UST Program Local Oversight Program Agencies, Local Implementing <br /> Agencies, 2 p <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br />