This shows the specialized terms used in EarthWise Academy. This section contains all the definitions used in the various course glossaries used by each course.
90th Percentile Tap Sample Result
Identification of the 90th percentile tap sample result is accomplished by following two steps:
ACC - Alternative Compliance Criteria Alternative criteria that can be used to achieve either monthly or annual compliance with the enhanced coagulation requirements of the DBP Rule.
A condition in which a substance yields H+ ions when it dissociates in water, resulting in a lowering of pH.
A coagulant aid that is created on-site by neutralizing sodium silicate.
Acute health effects
Adverse effect on human health as a result of short-term exposure. Acute health effects occur within hours or days of the time that a person consumes a contaminant.
The accumulation of one material on the surface of another material through physical bonds
The gathering of a gas, liquid, or dissolved substance at the surface at the surface of solid bodies with which they are in contact.
(DBP40) Enhanced Coagulation – Basics (1280)