Georgia Residential Contractor Practice Exam

A grease trap is required when grease introduced into the system exceeds what concentration?

1. 25 milligrams/liter

2. 50 milligrams/liter

3. 75 milligrams/liter

4. 100 milligrams/liter

The correct answer is: 50 milligrams/liter

A grease trap is required when grease introduced into the plumbing system exceeds a concentration of 50 milligrams per liter. This threshold is crucial because grease can lead to blockages and clogs in sewage and drainage systems. By establishing this limit, regulations seek to prevent excessive grease from entering public sewer lines, which can cause issues for wastewater treatment facilities and the environment. Grease traps act as a pretreatment device, capturing and holding fats, oils, and grease, allowing cleaner water to flow into the sewage system. Adhering to this 50 milligrams per liter standard ensures that systems remain operational and reduces the risk of costly repairs and environmental damage associated with grease accumulation. This limit is typically endorsed by local codes and regulations aimed at maintaining public health and safety.