WATER BASICS
Aquifers are considered this type of water source.
What is groundwater?
The purpose of coagulation is to remove this.
What are particles?
Convert 20°C to Fahrenheit.
What is 68°F?
Lock Out Tag Out stands for this safety procedure.
What is LOTO?
Chlorine + ammonia forms this.
What are chloramines?
The cloudy appearance of water caused by suspended solids.
What is turbidity?
This process follows coagulation and gently mixes particles together.
What is flocculation?
1 psi equals how many feet of head?
What is 2.31 feet?
This document provides chemical hazard information.
What is an SDS?
Chlorine residual is defined as this.
What is chlorine remaining after demand is satisfied?
Groundwater is typically free of this type of contamination.
What are suspended solids and microbial contamination?
This prevents short circuiting in basins.
What are baffles?
A tank reads 35 psi. What is the water depth?
What is ~81 feet?
Safety is whose responsibility?
What is everyone’s?
Hydrogen sulfide smells like this.
What are rotten eggs?
The process where water travels deeper into the ground.
What is percolation?
Backwashing a filter means doing this.
What is reversing the flow through the filter?
A system uses 150 lbs chlorine over 2.25 MG. What is dose (approx)?
What is ~8 mg/L?
Lead action level is this concentration.
What is 0.015 mg/L?
Most particles in water carry this charge.
What is negative?
Lakes that mix twice per year are called this.
What is dimictic?
The first step to fixing taste and odor problems.
What is finding the source?
A well pumps 320 gpm with 25 ft drawdown. What is specific capacity?
What is 12.8 gpm/ft?
Backflow prevention method NOT considered one of the main three.
What is Pressure Vacuum Breaker (PVB)?
The chemical used to neutralize chlorine.
What is sodium thiosulfate?