00783nam a2200193Ia 4500 CTU_23231 210402s9999 xx 000 0 und d 628.362 P448 Perkins, Richard J. Onsite wastewater disposal Richard J Perkins America Lewis 1989 This book provides easy-to understand methods of proper septic practices suited to abroad range of site conditions, and the reasons for using them. Potential problems, both with the system components and the people who regulate septic systems, are described and potential solutions provides. Sanitation,Sewage disposal Thơm Trung tâm Học liệu Trường Đại học Cần Thơ