Texas Waste Water Treatment Ch#04 Industrial Waste Monitoring - Statistics

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General Stats

This quiz has been taken 92 times
50 since last reset
The average score is 10 of 15

Answer Stats

Question	Answer	% Correct
Which of the following industries that might contribute shock loads to the treatment plant?	All of the above	90%
There are two sample types: grab sample and _______ sample.	composite	90%
The National Pretreatment Program protects publicly owned treatment works (POTWs) and the environment from hazardous or toxic wastes discharged into the wastewater system.	True	90%
Problems prevented by pretreatment are: POTW operation interference, sludge contamination, chemical exposure to workers, and effluent pollutants.	True	90%
Monitoring involves scheduled, unscheduled, demand and self-monitoring.	True	90%
The reaction between waste streams is known as a ________ effect.	synergistic	70%
The equitable method for recovering program costs is a user charge system.	True	70%
A pretreatment program includes legal authority, procedures, monitoring, technical limits, industry survey and pay scales.	False	60%
Operators must be alert to instructions regarding sample _______ and treatment.	preservation	60%
Which of the following is not part of a typical waste water system use ordinance?	Private waste water use conditions	60%
Sampling tools and containers must be _______.	clean	50%
The national program regulations require POTWs, with flow greater than 50MGD, to establish an industrial pretreatment program as a permit condition.	False	50%
Discharge standards prohibit pollutants that create a fire hazard, have a pH >5.0 obstruct flow, upset treatment or raise wastewater temperature < 140° F entering the collection system.	False	50%
Hazardous wastes are cyanide, _______, organics and gasoline.	sulfides	50%
Non-hazardous wastes are chlorides, alkalinity, color, phosphorus and _______.	iron	40%

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