Another question is how much contamination to allow.
The company later traced the contamination to a chemical used in the cleaning of transportation pallets.
The investigators knew of no way to contain the contamination — to halt its advance.
The government passed my questions about contamination to the Environment Agency (EA).
The national planning policy framework sets out clear requirements for new housing developments facing land contamination to be cleared up".
Senator Lieberman faulted both the health department and the Postal Service for not revealing the extent of contamination to workers.
Mr. Cahill confirmed that his agency faxed notice of the site's contamination to Tutor Time in March 2001.
'The UMRC appears to consider a small, highly localised area of contamination to present a large health risk.
Environmental groups criticize the market-based proposal, saying it would allow hot spots of mercury contamination to build up.
An investigation traced the contamination to several bottles that had been stored in a cardboard box beneath an empty house.
"There is a greater potential for contamination to occur in some developing countries where growing standards differ from U.S. standards," Dr. Doyle said.
