The long term financial costs of remediating pollution caused by landfilling waste are often not taken into consideration.

Mr. Floyd and Mr. Lloyd will discuss testing methods, manual and automated testing tools, other available resources and share best practices for conducting Section 508 testing and remediating non-compliance.

"Its provisions are all factors that can help tip the scales in favor of remediating and redeveloping sites," said Ira Whitman, who heads an environmental consulting and engineering concern bearing his name in East Brunswick.

"These things can kill a deal," said R. Gregory Jones, a Long Valley, N.J., public-relations consultant who recently walked away from a $280,000 house when the owner insisted that he contribute to the cost of remediating low to moderate radon levels.

It now produces lime for agricultural lime used for farming canola and grains; agricultural lime is used for remediating soil acidity, a major problem threatening the productivity and sustainability of agriculture in many parts of the state.