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MONITORING AND REPORTING PROGRAM -g- SOILS RECYCLING FACILITY WESTERN SOILS RECYCLING CALIFORNIA WASTE REMOVAL SYSTEMS SAN JOAQUIN COUNTY appropriate statistical procedures. Statistical procedures shall apply one or more of the following test methods in accordance with the U. S. Environmental Protection Agency publication, Statistical Ana lysis of Ground-Water Monitoring Data at RCRA Facilities--Interim Final Guidance, dated April 1989, or a more recent edition of that document: a) analysis of variance (ANOVA) , b) tolerance or prediction interval tests, c) control chart tests, and/or d) another statistical test submitted by the Discharger and approved by the Board. PRECIPITATION AND DRAINAGE CONTROLS The Discharger shall submit an annual report to the Board by 15 November of each year describing measures taken to prevent erosion or flooding of the facility and to prevent surface drainage from contacting or percolating through wastes in compliance with Specification No. 27 of the waste discharge requirements. WATER QUALITY PROTECTION STANDARD The Discharger shall submit by 1 October 1993 a Water Quality Protection Standard. The Water Quality Protection Standard, as defined in §2550.2 of Chapter 15, shall consist of constituents of concern, their concentration limits, the point of compliance, and all water quality monitoring points. Constituents of concern shall include all waste constituents, reaction products, and hazardous constituents that are reasonably expected to be in or derived from waste contained in the surface impoundments. Concentration limits in each medium shall consist of background concentrations of each constituent of concern or concentrations greater than background pursuant to Section 2550.4 of Chapter 15. The Discharger shat l implement the above monitoring program on the effective date of this Order. Ordered by WILLIAM H. CROOKS, Executive Officer 26 June 1992 WJM (Date)