Percolation tests for the fill material shall be conducted at the borrow pit. Only soils with a percolation rate between five and 30 minutes per inch shall be used for the fill material. Sands with greater than 10% by weight finer than 0.05...
http://www.inspectapedia.com/septic/altmound.htm
The Massachusetts Title 5 Septic Inspection criteria does a great job of defining a (at least possibly) what is required to assure a functional septic drainfield. The text explains the role of the biomass below the absorption bed, sets soil...
http://www.inspectapedia.com/septic/Soil_Perc_Test_3.ht...
In specifying the size and type of absorption field (leach field, seepage pits, galleys, other) a septic engineer or health department official will require that a soil percolation test or "soil perc test" be performed. You may he...
http://www.inspectapedia.com/septic/perctests.htm
If the property you are purchasing does not have city sewers available and you must install a septic system, you need to have a perk test performed which is normally overseen by the local building/sanitation official. If the test fails, the...
http://www.merchantcircle.com/answers/q/17676/How-can-I...
How a perc test is run is usually set by the state and has to be done by a certified person. You need to talk with someone in your area who installs septic systems. They will have the facts for your area.
http://answers.yahoo.com/question/index?qid=20090615121...
because when there are a lot of rocks in the soil the water needs time to percolate down and when there are few rocks then the rate is fast.
http://wiki.answers.com/Q/How+is+percolation+rate+relat...
When a clay soil is amended, the goal is to increase the size of the air spaces in these tight clay soils. There are many different things you can use for this purpose. For years, composted manures have been used, not for the nutrients, but...
http://www.ag.auburn.edu/landscape/Black_Belt_Soil.html...