Envirco NSF Biohazard Cabinet Manuel d'utilisateur télécharger pdf (Page 35)

XXI. GLOSSARY

Aerosol: A colloid of liquid or solid particles suspended in a gas, usually air.

Ambient: Surrounding on all sides.

Biohazard: A contraction of the words biological and hazard. Infectious agents

presenting a risk or potential risk to the well being of man, or other animals, either

directly through infection of indirectly through disruption of the environment.

Carcinogen: A substance or agent producing or inciting cancer.

Etiologic: Relating to all of the causes of a disease of abnormal condition.

HEPA Filters: High efficiency particulate air filters. These have a nominal

efficiency of 99.99% removal of 0.3 micron particles from air.

Laminar Air Flow: Air flow in which the entire body of air within a designated

space moves with uniform velocity in a single direction along parallel flow lines.

Plenum: A chamber for conveying or containing air.

Linear Feet Per Minute (lf/m): A unit of measurement for air velocity.

NSF Standard 49: National Sanitation Foundation standard for Class II (Laminar

Flow) Biohazard Cabinetry. This standard covers cabinetry design to minimize

biohazards inherent in work with low and moderate risk biological agents. It does

not cover equipment included for use with high risk biohazards. It includes the basic

requirements of design, construction, and performance necessary for reliability of

function and safety, and adequate personnel and product protection.

NCI: National Cancer Institute.

NIH: National Institutes of Health.

Oncogenic: Tending to cause the formation of tumors.

OSHA: Occupational Safety and Health Administration or Act.

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Envirco NSF Biohazard Cabinet Manuel d'utilisateur Page 35