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74 Cards in this Set

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A representative sample is: 1. Collected during minimum flows. 2. Obtained when industrial representatives are present. 3. Similar to the larger body of wastestream being sampled. 4. Transported to a laboratory for analysis.
3. A representative sample is similar to the larger body of wastestream being sampled.
What is the main focus of pollution prevention? 1. Disposing of the waste generated. 2. Minimizing the amount of waste generated. 3. Recycling the waste generated. 4. Treating the waste generated.
2. The main focus of pollution prevention is minimizing the amount of waste generated.
What do industrial wastewater discharge permits do? Grant permission to an industrial user to discharge its wastewater into the 1. Centralized waste treatment facility. 2 Environment. 3. Pretreatment facility. 4. Wastewater collection system.
4. Permits allow discharge to wastewater collection system.
What is the best method to determine what industrial dischargers are placing in the collection system? 1. Field test kits. 2. Laboratory chemical analyses. 3. Results of industrial self-monitoring. 4. Visual observations.
2. Laboratory chemical analyses are best to determine industrial discharges.
What does a spill containment program require? 1. Channels carrying leaks to the storm sewer. 2. Drains within a berm connected directly to the pretreatment plant. 3. Sumps within the berm for pumping leaks to the sanitary sewer. 4. Tanks located within a berm that will prevent leaks from reaching a sewer.
4. Tanks must be within berm that prevents leaks from reaching a sewer.
EPA recognized what two types of dischargers in its efforts to control the flow of pollutants into water? 1. Direct and indirect. 2. Municipal and industrial. 3. Raw and treated. 4. Sanitary and storm.
1. Direct and indirect are two types of discharges recognized by EPA.
Which pollutant is a conventional pollutant? 1. Ammonia. 2. Chromium. 3. Cyanide. 4. Oil and grease.
4. Oil and grease are conventional pollutants.
What are receiving water standards based on? 1. Best available technology economically achievable. 2. Categorical standards. 3. Technology-based standards. 4. Tolerance of stream to pollutants.
4. Receiving water standards are based on tolerance of stream to pollutants.
Why should inspectors be on close working terms with sewer maintenance crews? So that 1. Inspectors and maintenance crews can work together. 2. Inspectors become familiar with sewer maintenance methods. 3. Potential problems can be detected and corrected. 4. Potential sources of inflow and infiltration will be recognized by inspectors.
3. Inspectors work with sewer maintenance crews to detect and correct potential problems.
What is the purpose of an unannounced industrial inspection? 1. To check on effluent quality. 2. To meet with POTW's normal contact person. 3. To review paper work. 4. To test response of industry.
1. The purpose of an unannounced industrial inspection is to check effluent quality.
What happens when a clarifier's capacity to hold solids or oil is exceed? 1. Depth measurements must be collected. 2. Materials must be pumped out. 3. Materials must be washed out in effluent. 4. Wastestream must be diverted to another clarifier.
2. When a clarifier's capacity to hold solids or oil is exceeded, materials must be pumped out.
Why are floor drains NOT allowed in chemical storage areas? 1. Because they are not necessary. 2. Due to risk of spills. 3. To avoid plugging drains. 4. To prevent hydraulic overloads.
2. Floor drains are NOT allowed in chemical storage areas due to risk of spills.
What should you do if you encounter an unsafe condition or situation? 1. Correct the condition or situation. 2. Leave the area and wait for condition or situation to be corrected. 3 Prevent others from encountering condition or situation. 4. Remove yourself from the area and warn others.
4. Remove yourself from the area and warn others.
What is the most common toxic gas that is encountered during sampling work? 1. Carbon monoxide. 2. Hydrogen cyanide. 3 Hydrogen sulfide. 4. Methane.
3. The most common toxic gas encountered during sampling work is hydrogen sulfide.
What are composite samples collected to measure? 1. Average amount of pollutants. 2. Maximum concentration of pollutants. 3. Pollutant discharge at specific time. 4. Pollutants of specific concern.
1. Composite samples measure average amount of pollutants.
What is the main goal of sample storage procedures? 1. To accumulate a large enough sample for analysis. 2. To allow samples to accumulate before analysis. 3. To efficiently use analyst's time. 4. To maintain integrity of sample until analysis.
4. Storage is to maintain integrity of sample until analysis.
What is meant by chain of custody? 1. A record of criminal action against an industrial discharger. 2. A record of each agency action leading to a notice of violation. 3. A record of every person who has access to a sample. 4. A record of every sample submitted to the laboratory.
3. Chain of custody is a record of every person who has access to a sample.
What are the characteristics of a properly operating flume? 1. Distinct and easy to observe. 2. Fluctuating and difficult to measure. 3. Submerged hydraulic jump. 4. Uniform and flat.
1. Characteristics of a flume are distinct and easy to observe.
How is the flow depth measured in a Palmer-Bowlus flume? 1. Channel bottom to water surface at measure point 2. Channel bottom to water surface at throat. 3. Floor of flume to water surface at measuring point 4. Floor of flume to water surface at throat.
3. Measure floor of flume to water surface at measuring point.
What is the purpose of a bubbler? 1. Aerate flowmeter channel. 2. Break down foam on water surface. 3. Measure depth of water. 4. Mix water in stilling well.
3. A bubble measures depth of water.
How do electromagnetic flowmeters measure flows? They measure the _____ created by the movement of water. 1. Area. 2. Depth. 3. Pressure differential. 4. Voltage.
4. Electromagnetic flowmeters measure flows by measuring voltage.
What are compatible pollutants? 1. Pollutants normally found in a concentrated wastestream. 2. Pollutants normally found in a diluted wastestream. 3. Pollutants normally removed by a physical-chemical treatment system. 4. Pollutants normally removed by a POTW treatment system.
4. Compatible pollutants are those normally removed by a POTW treatment system.
What is the most heavily used toxic pollutant in leather tanning? 1. Chromium. 2. Copper. 3. Cyanide. 4. Phenol.
1. Chromium is the most heavily used toxic pollutant in leather tanning.
Which acid is an organic acid? 1. Acetic. 2. Nitric. 3. Phosphoric. 4. Sulfuric.
1. Acetic acid is an organic acid.
Where are the sources of pollutants in storm water run-off? 1. Drag out dripping on the floor. 2. Products which have spilled on the grounds. 3. Rinse waters. 4. Scrubber wastewater.
2. Products spilled on the grounds are the sources of pollutants in storm water runoff.
How should the release of spilled chemicals in storage areas be prevented? 1. Install some type of containment around the storage areas. 2. Place chemicals in leakproof containers. 3. Purchase chemicals that do not flow. 4. Use floor drains to prevent release.
1. Prevent release of chemicals by installing some type of containment.
Equalization basins have the capability to… 1. Allow physical treatment of wastes. 2. Develop biological treatment cultures. 3. Increase the effectiveness of downstream treatment equipment. 4. Provide opportunity for chemical treatment.
3. Equalization basins increase the effectiveness of downstream treatment equipment.
Why does industry use packaged inclined plate (lamella) settlers? 1. Cost more than traditional circular tank clarifier. 2. Flocculation section near inlet is not needed. 3. Plates provide same surface area in smaller vessel than clarifier. 4. Plates provide surface area for biological treatment.
3. Lamella settlers require less space than traditional clarifier with same area.
Where are the residues remaining after incineration disposed of? 1. In a land disposal facility. 2. In a sludge digester. 3. In the POTW's sewer. 4. In the receiving waters.
1. Residues remaining after incineration are disposed of in a land disposal facility.
What should be done before entering an industrial facility for a pretreatment inspection? 1. Collect wastewater samples. 2. Notify receptionist of your intent to inspect. 3. Phone industrial contact for an appointment. 4. Park in an appropriate place outside the facility.
1. Collect wastewater samples before entering an industrial facility.
What should an inspector do with regard to violations discovered during an inspection? 1. Discuss violations with the industry before leaving site. 2. Help industry fix violations before leaving site. 3. Make a note of violations for future reference. 4. Notify enforcement authority of violations.
1. Inspector should discuss violations with industry before leaving site.
Before entering an industrial facility for an inspection, why should you first visit the sampling points and collect wastewater samples? 1. To allow collection of an unbiased wastewater sample. 2. To ensure following proper chain of custody procedures. 3. To minimize time required of the industrial contact. 4. To present the industrial contact with the results of the analysis of sample.
1. Collect samples first to obtain unbiased samples.
What types of wastes are treated by centralized waste treatment facilities? 1. Agricultural wastes. 2. Oily wastes. 3. Spent activated carbon. 4. Waste activated sludge.
2. Oily wastes are treated by centralized waste treatment facilities.
How should an inspector be able to activate emergency response procedures? 1. By calling the police and fire departments. 2. By contacting local TV and radio stations. 3. By making one call to a person in the home office. 4. By phoning the collection system and treatment plant superintendents.
3. Inspector should activate procedures by calling one person in home office.
Why should an inspector keep notes during an emergency? Notes will be useful in preparing… 1. A briefing for public officials. 2. A case for court if enforcement action is initiated. 3. A meeting for new media. 4. An informational pamphlet for the public.
2. Notes will be useful for court if enforcement action is initiated.
What type of pump must be used when drawing liquid out of a sewer? 1. Centrifugal pumps. 2. Explosion-proof pumps. 3. Submersible pumps. 4. Trash pumps.
2. Explosion-proof pumps must be used when drawing liquid out of a sewer.
How should an inspector respond when an unknown material that is neither flammable nor asphyxiating is found in a collection system? 1. Assume the unknown material was an accidental spill. 2. Disregard unknown material until next time. 3. Try to trace unknown material back to industrial source.. 4. Wait for unknown material to arrive at treatment plant.
3. Try to trace unknown material back to industrial source.
A representative sample is: 1. Collected during minimum flows. 2. Obtained when industrial representatives are present. 3. Similar to the larger body of wastestream being sampled. 4. Transported to a laboratory for analysis.
3. A representative sample is similar to the larger body of wastestream being sampled.
What is the main focus of pollution prevention? 1. Disposing of the waste generated. 2. Minimizing the amount of waste generated. 3. Recycling the waste generated. 4. Treating the waste generated.
2. The main focus of pollution prevention is minimizing the amount of waste generated.
What do industrial wastewater discharge permits do? Grant permission to an industrial user to discharge its wastewater into the 1. Centralized waste treatment facility. 2 Environment. 3. Pretreatment facility. 4. Wastewater collection system.
4. Permits allow discharge to wastewater collection system.
What is the best method to determine what industrial dischargers are placing in the collection system? 1. Field test kits. 2. Laboratory chemical analyses. 3. Results of industrial self-monitoring. 4. Visual observations.
2. Laboratory chemical analyses are best to determine industrial discharges.
What does a spill containment program require? 1. Channels carrying leaks to the storm sewer. 2. Drains within a berm connected directly to the pretreatment plant. 3. Sumps within the berm for pumping leaks to the sanitary sewer. 4. Tanks located within a berm that will prevent leaks from reaching a sewer.
4. Tanks must be within berm that prevents leaks from reaching a sewer.
EPA recognized what two types of dischargers in its efforts to control the flow of pollutants into water? 1. Direct and indirect. 2. Municipal and industrial. 3. Raw and treated. 4. Sanitary and storm.
1. Direct and indirect are two types of discharges recognized by EPA.
Which pollutant is a conventional pollutant? 1. Ammonia. 2. Chromium. 3. Cyanide. 4. Oil and grease.
4. Oil and grease are conventional pollutants.
What are receiving water standards based on? 1. Best available technology economically achievable. 2. Categorical standards. 3. Technology-based standards. 4. Tolerance of stream to pollutants.
4. Receiving water standards are based on tolerance of stream to pollutants.
Why should inspectors be on close working terms with sewer maintenance crews? So that 1. Inspectors and maintenance crews can work together. 2. Inspectors become familiar with sewer maintenance methods. 3. Potential problems can be detected and corrected. 4. Potential sources of inflow and infiltration will be recognized by inspectors.
3. Inspectors work with sewer maintenance crews to detect and correct potential problems.
What is the purpose of an unannounced industrial inspection? 1. To check on effluent quality. 2. To meet with POTW's normal contact person. 3. To review paper work. 4. To test response of industry.
1. The purpose of an unannounced industrial inspection is to check effluent quality.
What happens when a clarifier's capacity to hold solids or oil is exceed? 1. Depth measurements must be collected. 2. Materials must be pumped out. 3. Materials must be washed out in effluent. 4. Wastestream must be diverted to another clarifier.
2. When a clarifier's capacity to hold solids or oil is exceeded, materials must be pumped out.
Why are floor drains NOT allowed in chemical storage areas? 1. Because they are not necessary. 2. Due to risk of spills. 3. To avoid plugging drains. 4. To prevent hydraulic overloads.
2. Floor drains are NOT allowed in chemical storage areas due to risk of spills.
What should you do if you encounter an unsafe condition or situation? 1. Correct the condition or situation. 2. Leave the area and wait for condition or situation to be correction. 3 Prevent others from encountering condition or situation. 4. Remove yourself from the area and warn others.
4. Remove yourself from the area and warn others.
What is the most common toxic gas that is encountered during sampling work? 1. Carbon monoxide. 2. Hydrogen cyanide. 3 Hydrogen sulfide. 4. Methane.
3. The most common toxic gas encountered during sampling work is hydrogen sulfide.
What are composite samples collected to measure? 1. Average amount of pollutants. 2. Maximum concentration of pollutants. 3. Pollutant discharge at specific time. 4. Pollutants of specific concern.
1. Composite samples measure average amount of pollutants.
What is the main goal of sample storage procedures? 1. To accumulate a large enough sample for analysis. 2. To allow samples to accumulate before analysis. 3. To efficiently use analyst's time. 4. To maintain integrity of sample until analysis.
4. Storage is to maintain integrity of sample until analysis.
What is meant by chain of custody? 1. A record of criminal action against an industrial discharger. 2. A record of each agency action leading to a notice of violation. 3. A record of every person who has access to a sample. 4. A record of every sample submitted to the laboratory.
3. Chain of custody is a record of every person who has access to a sample.
What are the characteristics of a properly operating flume? 1. Distinct and easy to observe. 2. Fluctuating and difficult to measure. 3. Submerged hydraulic jump. 4. Uniform and flat.
1. Characteristics of a flume are distinct and easy to observe.
How is the flow depth measured in a Palmer-Bowlus flume? 1. Channel bottom to water surface at measure point 2. Channel bottom to water surface at throat. 3. Floor of flume to water surface at measuring point 4. Floor of flume to water surface at throat.
3. Measure floor of flume to water surface at measuring point.
What is the purpose of a bubbler? 1. Aerate flowmeter channel. 2. Break down foam on water surface. 3. Measure depth of water. 4. Mix water in stilling well.
3. A bubble measures depth of water.
How do electromagnetic flowmeters measure flows? They measure the _____ created by the movement of water. 1. Area. 2. Depth. 3. Pressure differential. 4. Voltage.
4. Electromagnetic flowmeters measure flows by measuring voltage.
What are compatible pollutants? 1. Pollutants normally found in a concentrated wastestream. 2. Pollutants normally found in a diluted wastestream. 3. Pollutants normally removed by a physical-chemical treatment system. 4. Pollutants normally removed by a POTW treatment system.
4. Compatible pollutants are those normally removed by a POTW treatment system.
What is the most heavily used toxic pollutant in leather tanning? 1. Chromium. 2. Copper. 3. Cyanide. 4. Phenol.
1. Chromium is the most heavily used toxic pollutant in leather tanning.
Which acid is an organic acid? 1. Acetic. 2. Nitric. 3. Phosphoric. 4. Sulfuric.
1. Acetic acid is an organic acid.
Where are the sources of pollutants in storm water run-off? 1. Drag out dripping on the floor. 2. Products which have spilled on the grounds. 3. Rinse waters. 4. Scrubber wastewater.
2. Products spilled on the grounds are the sources of pollutants in storm water runoff.
How should the release of spilled chemicals in storage areas be prevented? 1. Install some type of containment around the storage areas. 2. Place chemicals in leakproof containers. 3. Purchase chemicals that do not flow. 4. Use floor drains to prevent release.
1. Prevent release of chemicals by installing some type of containment.
Equalization basins have the capability to… 1. Allow physical treatment of wastes. 2. Develop biological treatment cultures. 3. Increase the effectiveness of downstream treatment equipment. 4. Provide opportunity for chemical treatment.
3. Equalization basins increase the effectiveness of downstream treatment equipment.
Why does industry use packaged inclined plate (lamella) settlers? 1. Cost more than traditional circular tank clarifier. 2. Flocculation section near inlet is not needed. 3. Plates provide same surface area in smaller vessel than clarifier. 4. Plates provide surface area for biological treatment.
3. Lamella settlers require less space than traditional clarifier with same area.
Where are the residues remaining after incineration disposed of? 1. In a land disposal facility. 2. In a sludge digester. 3. In the POTW's sewer. 4. In the receiving waters.
1. Residues remaining after incineration are disposed of in a land disposal facility.
What should be done before entering an industrial facility for a pretreatment inspection? 1. Collect wastewater samples. 2. Notify receptionist of your intent to inspect. 3. Phone industrial contact for an appointment. 4. Park in an appropriate place outside the facility.
1. Collect wastewater samples before entering an industrial facility.
What should an inspector do with regard to violations discovered during an inspection? 1. Discuss violations with the industry before leaving site. 2. Help industry fix violations before leaving site. 3. Make a note of violations for future reference. 4. Notify enforcement authority of violations.
1. Inspector should discuss violations with industry before leaving site.
Before entering an industrial facility for an inspection, why should you first visit the sampling points and collect wastewater samples? 1. To allow collection of an unbiased wastewater sample. 2. To ensure following proper chain of custody procedures. 3. To minimize time required of the industrial contact. 4. To present the industrial contact with the results of the analysis of sample.
1. Collect samples first to obtain unbiased samples.
What types of wastes are treated by centralized waste treatment facilities? 1. Agricultural wastes. 2. Oily wastes. 3. Spent activated carbon. 4. Waste activated sludge.
2. Oily wastes are treated by centralized waste treatment facilities.
How should an inspector be able to activate emergency response procedures? 1. By calling the police and fire departments. 2. By contacting local TV and radio stations. 3. By making one call to a person in the home office. 4. By phoning the collection system and treatment plant superintendents.
3. Inspector should activate procedures by calling one person in home office.
Why should an inspector keep notes during an emergency? Notes will be useful in preparing… 1. A briefing for public officials. 2. A case for court if enforcement action is initiated. 3. A meeting for new media. 4. An informational pamphlet for the public.
2. Notes will be useful for court if enforcement action is initiated.
What type of pump must be used when drawing liquid out of a sewer? 1. Centrifugal pumps. 2. Explosion-proof pumps. 3. Submersible pumps. 4. Trash pumps.
2. Explosion-proof pumps must be used when drawing liquid out of a sewer.
How should an inspector respond when an unknown material that is neither flammable nor asphyxiating is found in a collection system? 1. Assume the unknown material was an accidental spill. 2. Disregard unknown material until next time. 3. Try to trace unknown material back to industrial source.. 4. Wait for unknown material to arrive at treatment plant.
3. Try to trace unknown material back to industrial source.