Organics Study guides, Revision notes & Summaries

What removes tastes, odors, and certain organics and gases, and oxidizes iron and manganese? This process includes the incorporation of air into the water by means of spray nozzles , steps or cascades, or trays of diffusers? - Aeration TCEQ regulation states that Shore installations , marinas, boats and houses on the watershed must have sewage? - disposal Water aerated or chlorinated at proper pH levels oxidizes the iron and manganese, turning them into solid? - particles Well casing and ...

Calcium Hypochlorite CORRECT ANSWER-A common chemical used in the disenfection of a small water supply is- A Cross Connection CORRECT ANSWER-A physical connection between a potable water supply and a house well would be- Demand CORRECT ANSWER-The amount of Chlorine in mg/L that is used by reacting with iron, organics, or bacteria is called? Greenish Yellow color Heavier than air Pungent, Penetrating odor Corrosive CORRECT ANSWER-All of the following are Physical characteristics of C...

A 6-in. pipeline needs to be flushed. If the desired length of pipeline to be flushed is 316 ft, how many minutes will it take to flush the line at 31 gpm? a. 10 minutes b. 15 minutes c. 30 minutes d. 60 minutes - ANSWER Answer: b. 15 minutes What is the area of a trench that is 22.4 ft long and 3.3 ft wide? a. 26 sq ft b. 74 sq ft c. 143 sq ft d. 187 sq ft - ANSWER Answer: b. 74 sq ft Which of the following is typically associated with trihalomethanes? a. High levels of car...

What is the hold time for soil samples? - 14 days What is the hold time for preserved GW GRO samples? - 14 days What does GRO stand for? - Gasoline Range Organics Is an ICC certification needed to install an AST? - No What does ICC stand for? - International Code Council What is the LFL of Gasoline? - 1.4% What is the UFL of Gasoline? - 7.6%

Principle Components of Soil -Air 25% -Water 25% ^ (healthy soil composition, those two vary from 50-0% to 0-50%) -minerals ~45% -Organics ~5% (again healthy soil it varies) % are by volume not mass Soil Dynamic natural body having properties due to the combined effects of climate and biota as modified by relief acting on parent material over time. 5 thing that affect soil Active: -climate -biota Passive: -parent material -time Modifying: -relief (topography) Bios...

WASTEWATER CLASS B OPERATOR EXAM 2024 WITH 100% CORRECT ANSWERS Bio-monitoring involves the use of aquatic life to test the toxicity of a wastewater treatment plant effluent. - correct answer TRUE The definition of an oxygen-deficient atmosphere is one that contains less than, what percentage of oxygen? - correct answer 19.5 1.) What is the function of a grit auger? - correct answer To Separate Organic from Inorganics 2.) Running a 30 min settling test is the best indication of wha...

A 6-in. pipeline needs to be flushed. If the desired length of pipeline to be flushed is 316 ft, how many minutes will it take to flush the line at 31 gpm? a. 10 minutes b. 15 minutes c. 30 minutes d. 60 minutes - Answer- Answer: b. 15 minutes What is the area of a trench that is 22.4 ft long and 3.3 ft wide? a. 26 sq ft b. 74 sq ft c. 143 sq ft d. 187 sq ft - Answer- Answer: b. 74 sq ft Which of the following is typically associated with trihalomethanes? a. High levels of c...

What is the biggest causes of injuries on the job Carelessness or horseplay Rags used to clean up solvents and oils must be disposed of in: An "Approved metal container" All personal protective equipment (PPE) must be: CSA Aproved A green tag on boots indicates that: The boots are CSA aprroved People that are the persons who have locks on a locked out piece of equipment are known as: Authorized people Double insulated tools are: Some hand-held tools which have an insulated handle or hous...

TCEQ class c water license Exam Questions And Answers State Agency responsible for enforcing the safe drinking water act in Texas Texas Commission on environmental Quality What minerals can cause water hardness Calcium and magnesium A public water system must at all times provide Adequate quantity of water, pressure, and disinfection A source groundwater would be aquifer Fecal coliform organisms sometimes found in water supplies are an indication that Water supply is ...

7A Pest Exam Questions and Answers Already Passed Integrated Pest Management a process that utilizes inspections and periodic monitoring to determine if any type of treatment is needed to reduce pest populations to tolerable levels Four Steps in an Integrated Pest Management Program 1. Inspect the site for pest problems. || 2. Set pest action thresholds. || 3. Apply pest management procedures. || 4. Monitor the pest management program (post-treatment) Action Threshold the level of...