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Exam (elaborations)

OSTDS - BASIC CONCEPTS 1 & 2 EXAM 2025 QUESTIONS AND ANSWERS

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Advantages and importance of OSTDS (6) - ANS - simple and effective - minimal moving parts - Less environmentally disruptive installation - treatment alternative to central sewer systems - groundwater recharge - relatively low cost Reality of OSTDS (2) - ANS - no longer considered temporary installations - permanent approaches Onsite systems are viable if properly...(5) - ANS - planned - designed - installed - operated - maintained Approximate number of Florida septic systems - ANS 2.67 million Florida housing units - ANS 8.8 million OSTDS - BASIC CONCEPTS 1 & 2 EXAM 2025 QUESTIONS AND ANSWERS COPYRIGHT © 2025 THESTAR ALL RIGHTS RESERVED 2 FOG (stands for) - ANS Fats, Oils and Greases - constituents in waste water FOG problems (3) - ANS clog system Increases odors increases BOD BOD [C] - ANS 420 mg/L Escherichia coli causes... - ANS gastroenteritis Salmonella causes... - ANS Salmonellosis Vibrio cholerae causes - ANS cholera Percentage of Florida housing units served by septic - ANS > 30% Florida sewage flow per day - ANS 465 million gallons approximate number of bacteria in human waste per gram - ANS 10^12 bacteria/1 gram feces Indoor water use process that creates MOST use per day - ANS Toilet = 26.7% or ~ 18.5gal/day Indoor water use process that creates most gallons per use - ANS Washing machine = 21.7% or ~15gal/day

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Uploaded on
June 16, 2025
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Written in
2024/2025
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Questions & answers

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  • ostds basic concepts 1 2 exam 2025 questions a

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OSTDS - BASIC CONCEPTS 1 & 2 EXAM
2025 QUESTIONS AND ANSWERS




Advantages and importance of OSTDS (6) - ANS - simple and effective
- minimal moving parts
- Less environmentally disruptive installation
- treatment alternative to central sewer systems
- groundwater recharge
- relatively low cost



Reality of OSTDS (2) - ANS - no longer considered temporary installations
- permanent approaches



Onsite systems are viable if properly...(5) - ANS - planned
- designed
- installed
- operated
- maintained



Approximate number of Florida septic systems - ANS 2.67 million



Florida housing units - ANS 8.8 million


COPYRIGHT © 2025 THESTAR ALL RIGHTS RESERVED 1

, FOG (stands for) - ANS Fats, Oils and Greases - constituents in waste water



FOG problems (3) - ANS clog system
Increases odors
increases BOD



BOD [C] - ANS 420 mg/L



Escherichia coli causes... - ANS gastroenteritis



Salmonella causes... - ANS Salmonellosis



Vibrio cholerae causes - ANS cholera



Percentage of Florida housing units served by septic - ANS > 30%



Florida sewage flow per day - ANS 465 million gallons



approximate number of bacteria in human waste per gram - ANS 10^12 bacteria/1 gram
feces



Indoor water use process that creates MOST use per day - ANS Toilet = 26.7% or ~
18.5gal/day



Indoor water use process that creates most gallons per use - ANS Washing machine = 21.7%
or ~15gal/day


COPYRIGHT © 2025 THESTAR ALL RIGHTS RESERVED 2
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