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North County Recycling Center and Sanitary Landfill Storm Water Pollution Prevention Plan Page 59 alluvium to have significant concentrations of aluminum and iron. Regional soil data from non-industrial locations have similar aluminum and iron concentrations. 4. Field observations of native soil show it to have a reddish hue (Figure 8), indicative of the presence of iron oxide. 5. Aluminum and iron are the only NAL exceedances and are closely associated, they mutually have NAL exceedances and never apart from one another. This is indicative of a common pollutant source. 12.3.3 Level 2 Return to Baseline Status A facility with parameters at Level 2 status will return to Baseline status for that Level 2 parameter if: 1. It submits an industrial activity BMPs demonstration which: • Includes a description of the industrial pollutant sources and corresponding industrial pollutants that are or may be related to the NAL exceedance(s). • Includes an evaluation of all pollutant sources associated with industrial activity that are or may be related to the NAL exceedance(s). • Where all of a facility’s implemented BMPs, including additional BMPs identified in the Level 2 ERA Action Plan, achieve compliance with the effluent limitations of the General Permit and are expected to eliminate future NAL exceedance(s); and • A facility shall provide a description and analysis of all implemented BMPs. 2. If results from four (4) subsequent consecutive QSEs sampled indicate no additional NAL exceedance(s) for the Level 2 parameter(s). If future NAL exceedances occur for parameter(s) at Baseline statue that were previously Level 2 status parameter(s), a facility’s Baseline status for that parameter will return to Level 2 status on July 1 in the subsequent reporting year during which the NAL exceedance(s) occurred and the facility will have to update the Level 2 ERA Technical Report as required above in General Permit section XII.D.3.c. 12.3.4 Level 2 Return to Baseline Status Ineligibility Facilities are not eligible to return to baseline status if they submit any of the following: 1. An industrial activity BMP demonstration which achieves General Permit compliance with the effluent limitations but are not expected to eliminate future NAL exceedance(s). 2. A non-industrial pollutant source demonstration; or, 3. A natural background pollutant source demonstration. (This is the demonstration that the County and its’ QISP chose for this facility.) 12.3.5 Level 2 ERA Implementation Extension Facilities that need additional time to submit the Level 2 ERA Technical Report shall be automatically granted a single time extension for up to six (6) months if requested via SMARTS in accordance with General Permit section VII.D.5.a. Requests for extensions that