Calcium hypochlorite Study guides, Class notes & Summaries

Soil permeability procedure involves evaluating a soil core or test pit. What does the procedure yield? a. Permeability estimated seepage rate b. Permeability estimated application rate c. Permeability estimated range - b. Permeability estimate How does chlorine kill microorganisms and bacteria? a. By weakening enzymes and destroying internal organelles b. By attacking lipids in cell walls and destroying enzymes and structures inside c. By breaking bonds and poisoning the cell - b. By att...

Procedures that are used to change the chemical, physical, or microbiological quality of water - correct answer Water Treatment A process of killing infectious agents outside the body by direct exposure to chemical or physical agents. - correct answer Disinfection A water treatment process that uses chlorine or a chlorine compound. - correct answer Disinfection A total contact time of at least ____ minutes is required for satisfactory water disinfection. - correct answer 30 minutes _...

calcium hypochlorite, lithium hypochlorite, trichlor, dichlor liquid chlorine sodium hypochlorite (NaOCl) how active is gas chlorine 100% the active killing form of chlorine in water hypochlorous acid (HOCl) HOCl = ______ H+ (hydrogen ion) + OCl- (hypochlorite ion) most common granular chlorine (pH range) calcium hypochlorite (8.5 - 11, used to super chlorinate water) not common form of chlorine due to low active strength (pH) lithium hypochlorite (10.8) tablet/stick chlori...

Field Sanitation Team responsibility is to "construct and maintain" field waste disposal facilities? - correct answer False! Responsible for Supervising the placement, construction, and maintenance of waste facilities. Details are responsible for constructing and maintaining. Steps of purifying a one-quart canteen with Calcium Hypochlorite? - correct answer 1. Fill canteen with clean water 2. fill canteen cup half full of water and add Calcium Hypochlorite from one ampule. Stir until di...

REHS Exam Questions with A Grade Solutions Which of the following organisms are most resistant to unfavorable environmental conditions and indicate past of possibly intermittent pollution? a. fecal streptococci b. eschericha coli c. aerobacter aerogenes d. clostridium sporulates - Answer-clostridium sporulates The presence of which of the following is most easily identified by laboratory analysis in water contaminated by feces? a. shigella dysenteriae b. coliform c. entamoeba h...

EFMB Final Exam Study Guide with Verified Answers| 100% Correct| Rated A+ Procedures that are used to change the chemical, physical, or microbiological quality of water - Water Treatment A process of killing infectious agents outside the body by direct exposure to chemical or physical agents. - Disinfection A water treatment process that uses chlorine or a chlorine compound. - Disinfection A total contact time of at least ____ minutes is required for satisfactory water disinfection. - 30 ...

State Agency responsince 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 contaminated, harmful bacteria may be present, possible pathogenic organi...

CPO Test with elaborated answers 2023 11 reasons why the health dept will close your pool - CORRECT ANSWER-1. danger to the public 2. no lifeguard on the deck 3. main drain not visible 4. free chlorine, bromine, pH or cyanuric acid are other than specified 5. recirculating equipment not working for more than 1 hour 6. chemical disinfectant feeder has not been functional for over 24 hours 7. bathhouse drainage system is blocked to render the bathhouse unusable 8. inspector denied ent...

whole range chlorine in a pool: ____ to _____ (Ans- 1, 5 ideal range chlorine in a pool: ____ to _____ (Ans- 2, 4 whole range chlorine in a spa: ____ to _____ (Ans- 2, 10 ideal range chlorine in a spa: ____ to _____ (Ans- 3, 5 4 types of solid chlorine (Ans- calcium hypochlorite, lithium

You are assigned as one of the company's Field Sanitation Team members. Your commander told you that it is your responsibility to construct and maintain field waste disposal facilities. How do you respond to your commander? The mission of the unit field sanitation team is to assist commanders in maintaining the health and the well-being of the Soldiers assigned to the unit. They accomplish this by: *SUPERVISING the placement, construction, and maintenance* of unit-level garbage disposal faci...