Question 1

What is the EPA limit for carbon tetrachloride in drinking water?

Accepted Answer

The EPA Maximum Contaminant Level (MCL) for carbon tetrachloride is 0.005 ppm. Public water systems must keep carbon tetrachloride below this level.

Question 2

What are the health effects of carbon tetrachloride in drinking water?

Accepted Answer

Carbon tetrachloride is classified as a probable human carcinogen (EPA Group B2) based on liver cancer in animal studies. The EPA MCL is 5 ppb. It is one of the most potent liver toxins among the VOCs, causing hepatocellular necrosis, fatty

Question 3

Where does carbon tetrachloride in drinking water come from?

Accepted Answer

Carbon tetrachloride was manufactured in large quantities from the 1920s through the 1980s. Its primary use was as a feedstock for CFC (Freon) production, which ended with the Montreal Protocol ozone layer protections. Historical uses as a

Question 4

How do I remove carbon tetrachloride from my drinking water?

Accepted Answer

Carbon Tetrachloride is effectively removed by: Activated Carbon, Aeration, Reverse Osmosis. Look for NSF-certified filters that explicitly list carbon tetrachloride reduction.

Carbon Tetrachloride in Drinking Water - EPA MCL, Health Effects