Chapter 3701-29 Household Sewage Disposal Systems: Terms Study Guide Exam With Advanced Answers.
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Module
ENGR 3701
Institution
ENGR 3701
AASHTO - correct answer The American Association of State Highway and Transportation Officials
Alter or Alteration - correct answer Includes (but not limited to) a change in the nature of influent waste strength; a change ...
AASHTO - correct answer The American Association of State Highway and
Transportation Officials
Alter or Alteration - correct answer Includes (but not limited to) a change in the
nature of influent waste strength; a change in system components; an expansion of teh treatment or
dispersal system, and may include a change in volume of the daily design flow
ANSI - correct answer American National Standards Institute
Approved Leaching Trench Products Utilizing a Non-gravel Fines-Free Distribution System - correct
answer Products which have received the approval of the director through one of
the two processes described in rule 3701-29-12 of the Administrative Code
Aquifer - correct answer A consolidated or unconsolidated geologic formation or
series of formations that are hydraulically interconnected and that have the ability to receive, store, or
transmit water
ASTM - correct answer American Society for Testing and Materials or ASTM
International
Average Daily Flow - correct answer The actual average flow of sewage through the
sewage treatment system in a 24 hour period, typically assumed to be 60% of the daily design flow
Bedrock - correct answer Hard stratum that underlies unconsolidated surface
materials or soil
, Bedroom - correct answer A room that is designed or used as a sleeping room or
any room that could reasonably be used as or finished as a sleeping room as determined by the Board of
Health. The Board of Health may consider the room's architectural features when making the
determination
Biochemical Oxygen Demand, Five-Day or BOD5 - correct answer The quantitative
measure of the amount of oxygen consumed by bacterial while stabilizing, digesting, or treating
biodegradable organic matter under aerobic conditions over a 5 day incubation period; expressed in
milligrams per liter (mg/L)
Board of health - correct answer The board of health of a city or general health
district or the authority having the duties of a board of health in any city as authorized by section
3709.05 of the Revised Code, or the authorized representative of such a board or authority
Black Water - correct answer Portion of the wastewater stream that originates from
toilet fixtures, dishwashers, dish sinks, and food preparation sinks
BNQ - correct answer Bureau de normalisation du Quebec
Carbonaceous Biochemical Oxygen Demand or CBOD5 - correct answer An index of
the amount of oxygen that will be consumed by the decomposition of organic matter in sewage. The
CBOD5 test is one of the commonly used indicators of waste strength
CEN - correct answer European committee for standardization
Cesspool - correct answer An excavation (deeper than it is wide) which receives
sewage and from which the sewage seeps into the surrounding soil through the bottom and openings in
the side of the pit
CFU - correct answer The number of bacteria colony forming units, or colonies, or
individual bacteria that can be counted or estimated in a membrane filter coliform test
Coarse aggregate - correct answer Materials that meet AASHTO standard M43 sizes
four through 57 and shall be washed with not more than 5% passing the number 200 (75 micrometers)
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