During compliance testing, what is the acceptable level for hydrocarbon emissions?

• A. Typically less than 0.2 lbs of hydrocarbons per 1,000 gallons of fuel dispensed
• B. Typically less than 1.0 lbs of hydrocarbons per 1,000 gallons of fuel dispensed
• C. Typically less than 0.6 lbs of hydrocarbons per 1,000 gallons of fuel dispensed
• D. There is no specific limit on hydrocarbon emissions

Answer: (C)

The correct answer specifies that the acceptable level for hydrocarbon emissions during compliance testing is typically less than 0.6 lbs of hydrocarbons per 1,000 gallons of fuel dispensed. This threshold is established to ensure that vapor recovery systems are functioning effectively and minimizing environmental impact. By maintaining emission levels below this figure, facilities can help protect air quality and comply with regulatory standards designed to control air pollution.

This level reflects an industry standard that balances technological capabilities with environmental considerations. The threshold not only aims to reduce harmful emissions but also encourages the adoption of best practices in fuel handling and storage operations.

The other options present significantly higher figures, which could potentially indicate non-compliance with environmental regulations and a lack of effective vapor recovery measures. Additionally, not having a specific limit on hydrocarbon emissions would imply that there are no standards or regulations to guide the operation of vapor recovery systems, which contradicts regulatory practices aimed at pollution control.