ED1 Session 14 Recap

According to the EPA 1990 definition, what constitutes contaminated land?

• Land with any trace of chemical presence
• Land where significant harm is being caused or likely to be caused
• Land with underground storage tanks
• Land used for industrial purposes

In the source-pathway-receptor model, what does 'pathway' specifically represent?

• The original contamination source
• The target of contamination
• The means by which contamination could move
• The legal documentation of contamination

What is WHOPES primarily responsible for?

• Developing agricultural pesticides
• Testing and evaluating public health pesticides
• Manufacturing chemical weapons
• Regulating international chemical trade

Which remediation strategy involves using bacteria to clean pollutants?

• Physical remediation
• Chemical remediation
• Biological remediation
• Mechanical remediation

What makes nuclear fission particularly energy-efficient?

• 1 kg of uranium-235 equals energy from 300 tonnes of coal
• 1 kg of uranium-235 equals energy from 3,000 tonnes of coal
• 1 kg of uranium-235 equals energy from 30 tonnes of coal
• 1 kg of uranium-235 equals energy from 300,000 tonnes of coal

What is a key environmental concern with hydraulic fracturing (fracking)?

• Excessive oxygen production
• Potential groundwater contamination
• Increased bird populations
• Reduction in methane emissions

Which renewable energy source requires specific wind speeds to operate efficiently?

• Solar
• Geothermal
• Wind
• Tidal

What makes biomass potentially CO2 neutral?

• It uses fossil fuels
• It burns plant products
• It creates nuclear energy
• It generates wind power

In the investigation of contaminated land, what does Phase I typically involve?

• Intrusive soil sampling
• Desk study and site reconnaissance
• Immediate remediation
• Chemical treatment

What is a potential disadvantage of solar photovoltaic energy?

• Intermittent nature

• Requires no surface area
• Generates constant electricity
• Minimal landscape impact