ANSWERS!!
The primary threat from malfunctioning OSSF systems is - ANSWER water born
disease
Wastewater disposal and OSSF systems are regulated in order to protect - ANSWER
Public health and environment
A ______ is a disease-causing microorganism - ANSWER Pathogen
A groundwater chemical contaminant that can result from septic tanks and leachfields is
which can cause_____in infants - ANSWER Nitrates and methoemoglobinmia
Statewide regulation of OSSF began in - ANSWER 1989 Sept
The state agency responsible for regulating OSSF is - ANSWER TECQ
The desired method or level of OSSF regulation in Texas is _______regulation -
ANSWER Local
pH measures whether wastewater is ______\or_________ - ANSWER Acidity Basicity
List six diseases that might be transmitted by inadequately treated sewage . - ANSWER
Typhoid Paratyphoid Polio meningitis Hepatitis Cholera
Identify the following terms TSS DO BOD - ANSWER Total Suspended solids
Dissolved Oxygen
Biochemical oxygen demand
Identify the most common chemical elements of sewage - ANSWER Solids
Gases
Fats and greases
DO
BOD
PH
What is the criteria that can be used to determine if a subsurface OSSF system is
functioning properly ? - ANSWER The Plumbing system must drain
No Water is surfacing or pooling above ground
There are no odors
The waste water must receive nearly complete treatment
, List the soil treatment mechanisms important in treating wastewater - ANSWER filtering
or straining
Adsorption
Biological
A very common reason for soil absorption system failures is inadequate - ANSWER lot
Size
When systems fail in urban or suburban areas , there is a serious threat of the spread of
- ANSWER Water born disease
Lots served by individual wells should be a minimum of ________acre in size for a
septic tank system - ANSWER one acre
Lots served by a public water supply should be a minimum of _______ acre in size for
installation of a septic tank system - ANSWER one - half
When minimum lot size cannot be met , an on site system must be designed by a
_______ or a _________ - ANSWER Pro engineer or a Pro Sanitarian
When evaluating a topography site _________and potential for ________are key
considerations - ANSWER Slope floodind
A major reason for wastewater system failure is
a homeowner waste
b . inadequate planning
c . hydraulic overloading
d . oils grease and fats - ANSWER c . hydraulic overloading grease
The size of OSSF systems are normally based upon the
a . lot size
b . soil profile
c . hydraulic loading
d . homeowner's preference - ANSWER c . hydraulic loading
Some malfunctioning OSSF systems can be made to function properly with minimal
cost by implementing - ANSWER Water
The first step in reducing the wastewater load is - ANSWER Elimination of leaks
List four water - saving plumbing devices that can be used in a home - ANSWER
Reduce flow shower head
Faucet aerators
Reduce flow faucet
Pressure reducinh valves