James Repetski wrote:
We did a radon test on our house and found it to be elevated to 6. We were
told that it should have read 4.

It is a big deal to correct this problem. We live in Central New Jersey
near Morristown,

Thank you
Jim

Look at the Building Science Corporation web site.
They have a diagram of their suggested solution.

Since you haven't told us anything about the way your house is
arranged,
there is no way we can tell you if it is " a big deal " or not.

TB