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ENVIRONMENT CROSSWORD - Safety Week December 2022

Horizontales
Effluent operators must be notified when evaporator bodies are washed with a certain chemical. What is the chemical ? See WI-444-008
Equipment where lime (calcium oxide) and water are added to form a lime slurry (calcium hydroxide). This reaction releases heat.
What is the last information to enter in an Environmental Clean-Up Request Form ? See RR-555-001
What should be increased by dewatering operator when emptying dump tanks ? See WI-362-001
Verticales
What are nitrogen and phosphorus to bacteria in O2 reactor ? The flow adjustment is based on PCO COD loading.
What equipment is used for emergencies, flow control and leachate collection ?
E1 is one stream sent to anaerobic reactor. What is the second stream ?
Bacteria that grow best at high temperature : 55-65 degrees celsius
Dry-weight of suspended particles, that are not dissolved, in a sample of wastewater that can be trapped by a filter. Current legal limit - 10,440 kg/d.
What is the amount of oxygen needed by aerobic microorganisms to break down organic matter present in wastewater referred as ? Current legal limit - 5740 kg/d.
In anaerobic reactor, bacteria converts dissolved biodegradable COD into Volatile Fatty Acids, including hydrogen and acetate. What is the abbreviation used in test results for Volatile Fatty Acids?
What flow should be increased to absorption tower when there is a “green tail” ? See WI-362-009