Guest
A quick search on Google brings:
http://bio.colstate.edu/hendricks/Envs1105/Diagrams/septic.html
http://www.co.thurston.wa.us/thurston/enhealth/septic/inspect.htm
http://www.ruralhometech.com/septic/
http://www.swopnet.com/engr/Septic_Tanks/Septic_FixQ.html
http://www.montana.edu/wwwpb/pubs/mt9401.html
http://ces.soil.ncsu.edu/soilscience/publications/farmassist/homeassist/Septic/
http://www.homebase.com/what’s_happening/UncloggingDrains/FIUnclogTip3.html
