answer all the questions

3. In terms of percent, chemical plant accidents have been observed to follow the following pattern: Fires: % Fires with Explosions: % Vapor cloud explosions/toxic releases: % 4. Toxicity is the property of a physical or chemical agent that describes its effect on 5. List the four entry routes of toxicants into the body: 6. The American Conference of Governmental Industrial Hygienists (ACGIH) identifies Threshold Limit Values (TLV) to protect workers. Define and describe the following three TLVs: TLV-TWA: TLV-STEL: TLV-C