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Texas Waste Water Treatment Ch#04 Industrial Waste Monitoring - Statistics
General Stats
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This quiz has been taken 95 times
53 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 | 91%
|
| There are two sample types: grab sample and _______ sample. | composite | 91%
|
| The National Pretreatment Program protects publicly owned treatment works (POTWs) and the environment from hazardous or toxic wastes discharged into the wastewater system. | True | 91%
|
| Problems prevented by pretreatment are: POTW operation interference, sludge contamination, chemical exposure to workers, and effluent pollutants. | True | 91%
|
| Monitoring involves scheduled, unscheduled, demand and self-monitoring. | True | 91%
|
| The reaction between waste streams is known as a ________ effect. | synergistic | 73%
|
| Operators must be alert to instructions regarding sample _______ and treatment. | preservation | 64%
|
| The equitable method for recovering program costs is a user charge system. | True | 64%
|
| A pretreatment program includes legal authority, procedures, monitoring, technical limits, industry survey and pay scales. | False | 55%
|
| Which of the following is not part of a typical waste water system use ordinance? | Private waste water use conditions | 55%
|
| Hazardous wastes are cyanide, _______, organics and gasoline. | sulfides | 55%
|
| Sampling tools and containers must be _______. | clean | 45%
|
| The national program regulations require POTWs, with flow greater than 50MGD, to establish an industrial pretreatment program as a permit condition. | False | 45%
|
| 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 | 45%
|
| Non-hazardous wastes are chlorides, alkalinity, color, phosphorus and _______. | iron | 45%
|
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