Replies

To: Red Badger

The EPA approves the use of coal fly ash for mixing with concrete to seal water wells.

18 posted on 10/03/2013 8:03:48 AM PDT by cripplecreek (REMEMBER THE RIVER RAISIN!)

To: cripplecreek

Ash is a great component for concrete. The Romans used volcanic ash...............

19 posted on 10/03/2013 8:13:22 AM PDT by Red Badger (It is dangerous to be right in matters where established men are wrong. .....Voltaire)

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