Long Kang reference to the national standard septic tank concrete septic tanks Atlas Atlas 03S702, 92S213 production house with a septic tank, villas with biological septic tanks, household-type glass fiber reinforced plastic septic tanks, septic tanks finished villa has been replaced with brick septic tank is now widely used to successfully avoid the brick septic leakage, poor operating conditions of septic tanks, groundwater contamination, and other social and environmental problems, increasing social and environmental benefits.