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§ 8.30 <br /> <br /> be rolled into a wire .125-inch in diameter, the moisture content is above the plastic <br /> limit. If the soil is dry enough to be ridable and f~l)s apart when rolllng it into a <br /> wire, the moisture content is below the Iinfit and the soil may be manipulated. The <br /> standard method of determining the plastic limit is specified in .Axnerican <br /> Association of State I-Iighway O~cials (AASHO) Designation #T 90-61. <br /> <br /> Sand is a soft texture composed by weight of at least 25% of very coarse, <br /> coarse, and medi,rn sand varying in size from £ to 0.25 mm, ]ess than 50% of fine <br /> or very fine sand ranging ku size between 1.25 and 1.05 mm, and no more than 10% <br /> of particles ewe]let than 0.05 mm. <br /> <br /> Seepage Pit (or leaching pit or dry well) is an underground pit into <br /> which a sewage 1rank discharges sewage or other liquid waste and from which the <br /> liquid seeps into the surrounding soft through the bottom smd openings in the side <br /> of the pit. <br /> <br /> Setback is a separation distance measured horizontally. <br /> <br /> Sewage is any water-carried domestic, commercial, or aguSculturaI <br />waste, exclusive of footing and roof drainage or any residence, or any industry, <br />agricultural, or commercial establishment or other structure, whether treated or <br />untreated, and includes but is not ]~m~ted to liquid waste produced by bathing, <br />laundry, c~d~uary operations and liquid wastes from toilets and floor drains. <br /> <br /> Sewage Tank is a watertight tank used in the treatment of sewage and <br />includes, but is not llrn~ted to, septic teaks and aerobic tanks. <br /> <br /> Sewage Tank ]Effluent is that liqtfid wkich flows from a septic or <br />aerobic tank under normal operation. <br /> <br /> Septic Tank is any watertight covered receptacle designed and <br />constructed to receive the discharge of sewage from a building sewer, separate <br />solids from liquid, digest organic matter, and store sol, ds through a period of <br />detention, and allow the clarified liquids to discharge to a soil treatment. <br /> <br /> Shoreland means land located within the follow4ng distances from <br />public waters: <br /> <br /> a. 1,000 feet from the normal high water mark of a lake, pond or <br /> flowage; and <br /> <br /> b. 300 feet from a river or stream or the landward extend of a flood <br /> plain desiKnated by ordinance on such a river or stream, <br /> whichever is greater. <br /> <br />Site is the proposed on-site sewage treatment system area. <br />SI6'pe is the ratio of vertical rise or fa]~ to horizont~ distance. <br /> <br /> Soil Boring is any type of excavation capable of revealing in detail <br />characteristics of soils penetrated. <br /> <br /> Soil Characteristics, Limiting are those soil characteristics wtfich <br />preclude the installation of a standard system, including but not limited to exqdence <br /> <br />Page 238 <br /> <br />Printed 12/28/90 <br /> <br />I <br />! <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> <br />