PO Environmental Monitoring & Emissions

Question 1

What does a Continuous Emissions Monitoring System (CEMS) measure?

Accepted Answer

Real-time stack emissions such as SO2, NOx, CO, and opacity

Answer

Process feed composition only

Answer

Cooling water temperature

Answer

Plant electrical consumption

Question 2

What is the primary environmental concern with flaring of hydrocarbon gases?

Accepted Answer

Flaring releases CO2, unburned hydrocarbons, SO2, and NOx into the atmosphere

Answer

Flaring is completely clean and has no environmental impact

Answer

Flaring only produces water vapor

Answer

Flaring creates noise pollution only

Question 3

Under the EPA's Spill Prevention, Control, and Countermeasure (SPCC) rule, facilities must develop a plan if they:

Accepted Answer

Store oil in quantities that could reasonably discharge to navigable waters if a spill occurred

Answer

Have any chemical storage regardless of volume

Answer

Process more than 1,000 barrels per day

Answer

Have more than 10 employees

Question 4

Which regulation primarily governs the management and disposal of hazardous waste at US industrial facilities?

Accepted Answer

Resource Conservation and Recovery Act (RCRA)

Answer

Clean Air Act (CAA)

Answer

Safe Drinking Water Act (SDWA)

Answer

Clean Water Act (CWA)

Question 5

What is a Leak Detection and Repair (LDAR) program designed to do?

Accepted Answer

Identify and fix fugitive VOC emissions from process equipment components

Answer

Detect and repair leaks in cooling water circuits

Answer

Monitor groundwater around the plant perimeter

Answer

Inspect structural integrity of storage tanks

Question 6

When a process unit exceeds its permitted air emission limit, the operator must:

Accepted Answer

Document the exceedance and notify the appropriate regulatory authority within the required timeframe

Answer

Continue operation and report at the next annual report

Answer

Permanently shut down the unit

Answer

Increase scrubber flow to compensate retroactively