BACKFILL
Soil or other material (e.g. hardcore) which is replaced in an area that was previously excavated.
Soil or other material (e.g. hardcore) which is replaced in an area that was previously excavated.
Extremely small (generally from 0.4-10 microns in diameter), single-cell microscopic organisms. They are the most numerous organisms on earth and are formed everywhere, especially in soil. Because they are microscopic, they easily become airborne.
A substance that kills specific bacteria, both pathogenic and non-pathogenic, though not necessarily all their spores (e.g., chlorine bleach, quaternary ammonium chloride), when used according to label directions.
A substance, usually chemical, that prevents the growth of specific bacteria but does not necessarily kill them or their spores when used according to label directions.
A party which accepts the property of another into its care and custody.
Insurance purchased to cover the bailey?s legal liability for loss to property belonging to others, while in the bailey?s care and custody.
The equalization of evaporation and dehumidification. An ideal drying situation in which the rate of evaporation of moisture from structure and contents is equal to or slightly less than the rate of dehumidification or moisture removal from the material being dried.
On a gable roof or dormer, the trim which finishes the sloped sides of the rafters or overhang.
see _alkali_
Usually the lowest story of a building, either partly or entirely below ground level.