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A
Absorption - The process whereby one substance is physically taken into and
included within another substance, as the absorption of water by soil.
Additive - Any solid or liquid material or biological agent marketed primarily for
cleaning, treating, degreasing, unclogging, disinfecting, deodorizing or otherwise
affecting the performance of any component of an on-site system.
Adsorption - Attachment of a substance to the surface of a solid, such as soil
particles or sediment. Many different pollutants can adsorb to soil particles.
oxygen) to treat wastewater and reduce organic material.
Aggregate - Stones of various sizes surrounding soil absorption system. Allows
growth of aerobic sewage treatment bacteria.
Alternating Bed Systems - Also known as an alternating leachfield. An absorption
system designed with a backup absorption field for use while the primary
absorption field rests.
Approving Authority - Local Boards of Health are the primary regulatory
authorities. Click here for roster. MassDEP is involved in certain approvals; click
here for more information. MassDEP oversees local implementation of Title 5.
As-Built Plan - Plan that depicts an on-site system (including dimensions,
distances from dwellings, roads, surface water, wells) as it was built by a licensed
installer.
included within another substance, as the absorption of water by soil.
Additive - Any solid or liquid material or biological agent marketed primarily for
cleaning, treating, degreasing, unclogging, disinfecting, deodorizing or otherwise
affecting the performance of any component of an on-site system.
Adsorption - Attachment of a substance to the surface of a solid, such as soil
particles or sediment. Many different pollutants can adsorb to soil particles.
oxygen) to treat wastewater and reduce organic material.
Aggregate - Stones of various sizes surrounding soil absorption system. Allows
growth of aerobic sewage treatment bacteria.
Alternating Bed Systems - Also known as an alternating leachfield. An absorption
system designed with a backup absorption field for use while the primary
absorption field rests.
Approving Authority - Local Boards of Health are the primary regulatory
authorities. Click here for roster. MassDEP is involved in certain approvals; click
here for more information. MassDEP oversees local implementation of Title 5.
As-Built Plan - Plan that depicts an on-site system (including dimensions,
distances from dwellings, roads, surface water, wells) as it was built by a licensed
installer.
