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Designated Representative OSSF Exam 2|Questions with 100% Correct Answers Rated A+
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Designated Representative OSSF Exam2|Questions with 100% Correct Answers Rated
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OSSF permit application should include: - ✔- Site Evaluation
- Legal description of property
- Affidavits as required
- Maintenance contract
- Design Calculations
- Equipment/Material Specifications
- Scale drawing showing all features effecting operation of disposal system
- Criminal Penalties
- Injunction or civil suit
- Administrative Penalties - ✔Legal Penalties for violating OSSF rules
Criminal Penalties - ✔Initiated in court through district or county attorney by
either authorized agent or TCEQ. Often misdemeanors.
Injunction or Civil Suit - ✔Can only be initiated by TCEQ through Attorney General. Local
government may request TCEQ to initiate enforcement or pursue civil action. TCEQ may choose
not to.
Administrative Penalites - ✔May be assessed by TCEQ against a person in violation of
the rules, regulations, or OSSF permit. May request enforcement from Attorney General.
,Installers can plan - ✔Standard, conventional, gravel-filled standard drainfields, lined
and unlined ET beds, gravelless pipe, leaching chambers
Requires a Professional Designer - ✔Surface application, low-pressure dosing, mounds, non
standard systems. All systems in Edwards Aquifer recharge zone. Al multi-unit developments.
All systems in floodways. All systems with variance. Small lots with less than 1/2 acre on
public water or 1 acre without public water. Multiple systems on large tract
Risers on any kind of tank in an OSSF must: - ✔- have inside diameter equal to or larger
than clean-out
- be permanently fastened with watertight connection to tank lid
- have removable watertight caps protected against unauthorized access
6" to 12" - ✔Clean-out ports must have risers that extend to the surface except for
septic tanks, where clean-out port or riser can be from __________ below surface.
A padlock
A cover that requires tools for removal
A cover with a minimum net weight of 65lbs set into recess of the tank lid - ✔Acceptable
protective measures to prevent unauthorized access
greater than 5 feet - ✔depth at which an excavation must be sloped, shored, or
otherwise supported
Angle of repose - ✔The angle closest to the perpendicular at which the soil will remain at rest
Waterborne diseases caused by pathogens - ✔Typhoid, Paratyphoid, Cryptosporosis,
Bacillary Dysentery, Cholera, Amoebic Dysentery, Giardiasis, Hepatitis, Polio, Meningitis
, Inorganics that appear to affect health - ✔Arsenic, cadmium, cyanide, fluoride, lead,
mercury, nitrate, and selenium
Methemoglobinemia (Blue Baby Syndrome) - ✔A serious, sometimes fatal poisoning in
infants after ingesting water with nitrate. Nitrate impairs the oxygen-carrying capacity of
blood.
Three primary routes of contamination: - ✔1) Neighborhood Pollution
2) Groundwater Contamination
3) Surface Water Pollution
Illegal systems in Texas that may not be installed or used: - ✔Cesspools, seepage pits,
bore holes, and injection wells
Physical characteristics of fresh domestic wastewater: - ✔Light dishwater color, slight
fecal odor, visible floating and suspended solids . DO is present
Physical characteristics of septic water: - ✔Dark gray/black, strong odor, solids are hard to
see, gas bubbles. DO is not present, decomposition begins with formation of odorous gas.
Organic materials in sewage made of: - ✔Compounds containing carbon with other
elements, primarily hydrogen and oxygen
Inorganic materials in sewage include: - ✔sand, grit, minerals
As temperature rises, DO ______________________ - ✔decreases
What is the average pH of raw household sewage? - ✔6.5 to 8
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