Consider the question. Congress banned the use of lead-based paint in 1971, and the Consumer Product Safety Commission followed with implementing regulations, effective in 1978. Additional regulations regarding lead abatement, testing and related issues have been issued by the Environmental Protection Agency (EPA).

When did the use of lead paint end?
If the answer is '1978'; explain the reasoning:
To answer this question, we should know that: Congress banned the use of lead-based paint in 1971, and the Consumer Product Safety Commission followed with implementing regulations, effective in 1978.