What is the definition of "toxicologist"?
A scientist trained to study the nature and effects of chemicals on living organisms.

Learn more about toxicologist in the class MSDS and Hazard Communication 160 below.


Safety Training


Class Information
Tooling U classes are offered at the beginner, intermediate, and advanced levels. The typical class consists of 12 to 25 lessons and will take approximately one hour to complete.
Class Name:MSDS and Hazard Communication 160
Description:This class covers different types of chemical hazards, standards for hazardous chemicals, and how information about chemical hazards reaches the employee, including through MSDS. Includes an Interactive Lab.
Prerequisites: none
Difficulty:Beginner
Number of Lessons:19
Language:English, Spanish

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Below are all the competencies and job programs that contain the class MSDS and Hazard Communication 160. Job programs are our traditional class lists organized according to common job functions. Competencies are our latest job-specific curricula that help tie online learning to practical, hands-on tasks.

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Class Outline
  • Objectives
  • Hazard Communication
  • What Is a Chemical?
  • Physical Hazards
  • Systemic Health Hazards
  • Target Organ Health Hazards
  • Hazard Determination
  • Labeling Requirements
  • Labeling Exceptions
  • Material Safety Data Sheets
  • MSDS Content
  • MSDS Distribution
  • Employee Information and Training
  • Hazard Communication Program
  • Hazard Communication Requirements: Inventory
  • Hazard Communication Requirements: Labeling
  • Hazard Communication Requirements: MSDS
  • Hazard Communication Requirements: Training
  • Summary
  
Class Objectives
  • Describe the purpose of hazard communication.
  • Define chemical.
  • Identify types of physical hazards.
  • Identify types of systemic health hazards.
  • Identify types of target organ hazards.
  • Identify the steps chemical manufacturers and importers use to make hazard determinations.
  • Describe OSHA’s labeling requirements for hazardous chemicals.
  • Describe instances in which chemicals do not require labeling.
  • Identify requirements for MSDS.
  • Describe OSHA’s requirements for MSDS content.
  • Describe MSDS distribution requirements.
  • Describe the hazardous chemical information and training requirements.
  • Describe the hazard communication program.
  • Describe the hazardous chemical inventory.
  • Describe the labeling requirements necessary for a hazardous communication program.
  • Describe the MSDS requirements necessary for a hazardous communication program.
  • Describe the training requirements necessary for a hazardous communication program.

Class Vocabulary

Vocabulary TermDefinition
absorption The entrance of a substance into the body by passing through the pores of the skin or covering of the eyes.
acute reaction A response to chemical exposure that occurs suddenly or over a short period of time.
airborne A substance that is moved through or by the air. Dust and mist are examples of airborne substances.
batch ticket The documentation that accompanies a group or quantity of a product. Batch tickets are often used for inventory control.
blood toxin A chemical that causes damage to or disease in the blood or harms blood production. Blood toxins, known as hematopoietics, can prevent the blood from carrying oxygen to cells.
bonded Held together by a force of attraction. Bonding occurs between molecules in a chemical compound.
carcinogen A chemical that causes cancer.
chemical Any element, compound, or mixture of elements and/or compounds. Chemicals may be in the form of solids, liquids, or gases.
chemical compound A substance formed by chemically bonding two or more elements or ingredients together. Water is a compound of hydrogen and oxygen.
chemical importer A company or other entity that brings chemicals produced in other countries into the U.S.
chemical manufacturer A company or other entity that makes or produces chemicals.
chronic effect A response to a chemical that occurs after a long period of exposure.
compliance officer An OSHA representative who enforces OSHA standards through inspection and investigation.
cornea The clear, outer portion of the eye. The cornea is the covering over the iris.
corrosive A chemical that causes visible destruction to or permanent alteration of human tissue. Corrosives will "eat away" skin.
cutaneous hazard A chemical that causes damage to or disease in the skin or dermal layer, which is the body's largest organ.
dermal layer The skin of the human body. It is the largest human organ.
distributor A company or other entity that sells and ships chemicals produced by others to employers and worksites.
dosage A measurable amount of exposure to a substance or a hazard.
element A basic form of a substance that cannot be further subdivided by chemical methods. Oxygen, hydrogen, and carbon are examples of elements.
explosion hazard A chemical that is likely to blow up.
eye hazard A chemical that causes damage to or disease in the eyes.
fire hazard A chemical that is likely to burn or support fire.
hazard communication The means through which employers inform their employees about hazards in the workplace, including training and MSDS.
Hazard Communication Standard An established OSHA policy that sets guidelines for hazard communication. The HCS emphasizes labeling, MSDS, and training.
hazardous waste Waste that poses a risk to human health or the environment. Hazardous waste requires special types of storage and disposal to make it harmless or less dangerous.
health hazard A chemical that is capable of causing an acute reaction, a chronic effect, or both. Health hazards can affect the whole body or a particular organ.
hematopoietic toxin A chemical that damages the blood or blood production. Blood toxins can prevent the blood from carrying oxygen to cells.
hepatoxin A chemical that causes damage to or disease in the liver.
highly toxic agent A chemical that has been shown to cause death in lab rats that receive relatively low dosages.
industrial hygienist A person trained to anticipate, recognize, evaluate, and develop controls for occupational health and environmental hazards.
ingestion Eating or swallowing a substance.
inhalation Breathing in an airborne substance.
irritant A chemical that causes inflammation and swelling in human tissue. Irritation is generally a short-term effect.
label A printed form of identification that is attached to a container. OSHA requires chemical labels to have specific content.
material safety data sheet Mandatory information that must accompany almost every chemical in the workplace except for items like cleaning supplies. An MSDS includes details such as the hazards, precautions, and first-aid procedures associated with the chemical.
mineral spirits A common name for Stoddard solvent. Mineral spirits are frequently used to remove other chemicals and coatings from tools and other objects.
mixture A substance consisting of two or more separate substances that are mixed, but not chemcially bonded, together. Saltwater is a mixture of salt and water.
nephrotoxin A chemical that causes damage to or disease in the kidneys.
nervous system The system that includes the nerves, spinal cord, and brain. The nervous system controls all the body's functions.
neurotoxin A chemical that causes damage to or disease in the nervous system, which includes the brain and spinal cord.
organic peroxide A type of reactive hazard that can catch fire on its own.
OSHA Form 174 A sample form that serves as a skeleton document for developing MSDS.
personal protective equipment Any example of various safety equipment that workers wear or use to prevent injury in the workplace. Safety glasses are common personal protective equipment (PPE).
physical hazard A chemical hazard that can cause bodily harm or injuries such as burns. These injuries may occur when chemicals ignite or explode.
reactive hazard A chemical that is likely to catch fire or explode on its own or when exposed to water.
reproductive toxin A chemical that causes damage to or disease in male or female reproductive systems or organs, such as the ovaries, or harms unborn fetuses.
respiratory toxin A chemical that causes damage to or disease in the lungs or another part of the breathing system.
safety solvent A common name for Stoddard solvent. Safety solvent is frequently used to remove other chemicals and coatings from tools and other objects.
sensitizer A chemical that causes an allergic reaction, such as hives or breathing problems.
Stoddard solvent A chemical that is used to remove other chemicals and coatings from tools and other objects. Its common names are often "safety solvent" and "mineral spirits."
systemic effect A response to chemical exposure that affects the whole body. Systemic illnesses may cause symptoms in one or two areas, but the whole body is affected.
target organ effect A response to chemical exposure that affects a particular organ or system, such as the lungs or liver.
toxic agent A chemical that has been shown to cause death in lab rats that receive relatively high dosages.
toxicologist A scientist trained to study the nature and effects of chemicals on living organisms.
trade association A professional group that promotes a particular industry. Trade associations often offer assistance and training to members and develop industry standards.
unstable A chemical that can easily catch fire.
water reactive A chemical that will explode or catch fire when exposed to water.