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• Wastewater Design, Installation and Maintenance Guidelines
• Field Design (Excel Spreadsheet)
• Soil and Site Considerations
• Drain-down and fill time - a paper presented at WOSSA
• Flushing Design (Excel Spreadsheet)
• Flushing Velocities – a discussion
• Product Details
• Operations & Maintenance - PDF
• Septic tank effluent - PDF
• Field Book for Describing and Sampling Soils by the USDA - PDF
• Nutrient Update Various Crops EPA Table 4–11