Lab Safety Training Toxics
Great new laboratory Safety series created in PowerPointtm. These new customizable courses provide comprehensive coverage of important lab safety topics in a complete course package containing:
NEW! Version 2.0 programs
Editable presentation slides in Microsoft PowerPointtm.
Quality reproducible Student Workbook
End of Course Test and Answers
Completion Certificate (on disk)
Hard copies of slides for presentation notes.
Laboratories are the site of many potential hazards, including the many hazards presented by chemicals themselves. Toxicity is a hazard that almost every laboratory worker recognizes, but understands poorly. A simple explanation of toxicity is found in the dose-response model.
The dose-response model is simply stated that the higher the dose of the chemical received by the body, the more severe the response. The three items influencing the dose is explained in detail: relative toxicity, concentration and time of exposure. Acute and chronic doses are explained, also. The following terms are defined as related to relative toxicity:
LD50
LC50
TLV
TLV-TWA
TLV-STEL
STEL
PEL
IDLH
How chemicals enter our bodies to cause harmful health effects are considered in detail.
Inhalation
Absorption
Ingestion
Injection
Seven specific methods to minimize the risk of toxic chemicals are covered in detail.
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