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This site displays a prototype of a “Web 2.0” version of the daily Federal Register. It is not an official legal edition of the Federal Register, and does not replace the official print version or the ...

The apparatus as modified by Audus 2 has been used in the present investigations on the biological oxidation of iron in soil.

Available evidence suggests that cast iron pipes were used from 1870-1930; cement-lined cast iron from 1930-70; asbestos cement from 1950-70; ductile iron pipes from 1960 ... quality of pipe ...

Nearly every resident of a large city is aware of the fact that these pipes are made of iron, but we question if one in a hundred knows how they are made. They are taxed for their construction ...

Contaminated soil can also expose people to lead, as can drinking water that travels through corroded pipes. Other sources ... Lead can “outcompete” calcium and iron in the body in the ...

Planting on wet soil and over-tilling can cause soil compaction, but so do foot traffic, heavy equipment and a clay soil you’re trying to amend with sand. We discuss the main causes of compacted soil ...