Memorial Sloan-Kettering, located in New York City, is known to focus on a variety of types of asbestos cancer, including the  pleural and peritoneal varieties. It ranked the No. 2 cancer center in the nation, according to U.S. News & World Reports.
On average, concrete slabs can cost anywhere from $75 to $110 per square metre. That's still quite a spread, but it gives you a starting point for comparing quotes. If your slab is going on a flat block of land with easy access, expect the price to be on the lower end of the scale.
For a concrete retaining wall expect to pay: 1  $450 to $700 per square metre for reinforced concrete blocks. 2  $550 to $750 per square metre for concrete besser blocks.