UMD-EHSO Biological Safety Program

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Environmental Health and Safety Office

Introduction

Purpose

Policy

Responsibilities

Safe Laboratory Practices

Laboratory Biosafety Level Criteria

Table1: Summary of Recommended Biosafety Levels for Infectious Agents

Table1a: Summary of Vertebrate Animal Biosafety Levels (ABSL)

Biological Emergencies

Biosafety Cabinets (BSC's)

Types of BSC's

Comparison of BSC's Characteristics

Selection of a BSC Through Risk Assessment

IBC Application Forms

Biosafety Levels Criteria

The essential elements of the four biosafety levels for activities involving infectious microorganisms and laboratory animals are summarized in Table1 and Table1a. The levels are designated in ascending order, by degree of protection provided to personnel, the environment, and the community.

The following links will provide you with a more elaborate description of the necessary requirement and condition under which work may be conducted per biosafety level.

Biosafety Levels for Work with Infectious Microorganisms.

Biosafety Levels for Activities in Which Experimentally or Naturally Infected Vertebrate Animals Are Used.

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