Laboratory and Field Glossary
There are 196 entries in this glossary.H
Term | Definition |
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Hazardous Waste |
any waste stream determined by an Owner approved laboratory to exceed the regulatory thresholds for lead hazardous waste.
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HEPA Filter |
a filtering system capable of trapping and retaining at least 99.97% of all mono
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HEPA Vacuum |
A vacuum system furnished with HEPA filtration.
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Hilum |
A marking or scarring indicating where a spore was once attached to a conidiogenous cell.
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Homogeneous application |
An application of surfacing material, thermal system insulation material, or miscellaneous material that is uniform in color, texture, and vintage of application.
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HUD |
United States Department of Housing and Urban Development
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HVAC |
Heating, Ventilation, and Air Conditioning system.
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Hyaline |
Lacking color. Can also describe cells that are translucent or seemingly clear.
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Hypha/Hyphae (plural) |
Differentiated or Undifferentiated filaments/branches of a mycelium.
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Hyphomycete |
Taxonomic grouping of widespread anamorphic fungi. Contains approx. 1800 genera and 9000 species (or more as findings continue!)
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