The site has two such massive slag dumps and there are more nearby.

Continuing to use slag for construction fill would effectively increase the longevity of the slag dump.

Initial investigations of soil around the duck farm indicated it may have been polluted by a nearby illegal furnace slag dump.

Since then, it is primarily engaged in the management of properties, such as the sale of commercial space on the recultivated slag dump at Kohlbusch.

Springs still feed the pond of water at the foot of Number One slag dump on East St. Paul Street.

The slag heaps framing this neighbourhood are in the process of being turned into green hills, disguising a century of slag dump build-up, 300m high.

Contoured plot of the density of slag (in kg/m3) recovered from a layer representating reworking of the slag dump.

In Pittsburgh's Squirrel Hill neighborhood, a former slag dump for steel mills was turned into a $243 million residential development called Summerset at Frick Park.

Last year, a major sewer line ordered by the Federal Environmental Protection Agency for the riverfront development was dug next to the site of PPG's old refinery and slag dump.

It is either rapidly quenched with water to form granules that can be re-used or discarded or alternatively, the slag is transported in a liquid state to a cleaning operation or slag dump.

The man-way proceeded past the sorting belts, then curved toward the foundries and fabricating plants, glided beside slag dumps, hoppers where barges unloaded raw ore, and a pair of maintenance hangars.

And last year, the city converted a onetime riverside slag dump where refuse from Pittsburgh's blast furnaces formed towers as high as 20-story buildings into the city's largest residential development since World War II.

From the west, the large, rocky mountain provided a sensational view of the INCO mining and smelting complex, including the nightly slag dump, while from the east one had a beautiful view of the city of Sudbury.

Elevated concentrations, above background, of Fe, Mg, Ca, Mn, Pb, Zn, and As in suspended and bottom sediments were observed at the Canadian shore in the vicinity of the Algoma Steel slag dump.

A field study of fungi growing in polluted sites in the Czech and Slovak Republics found that C. piperatus fruit bodies growing near lead smelters and on mine and slag dumps had the greatest ability to bioaccumulate the element antimony.