24 pp., 15 color photos, 4 tables, 5 illustrationsSoil is an important component of an on-site wastewater treatment system. This publication explains the composition of soils, the sizing of soil particles, and the ways soil particles are analyzed to determine whether a site is suitable for a wastewater treatment system. Color photographs illustrate important processes such as analyzing gravel and determining soil texture. A worksheet details the bouyoucos hydrometer method of measuring soil particle size. There are also helpful data sheets for recording information
