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Material Safety Data Sheets (MSDS). By: Jerome Kalo. What is a Material Safety Data Sheet?. Form providing detailed information about hazardous materials present at the worksite. Hazards addressed: Chemical Health hazards Reactivity and fire Environmental . Blue = health Hazard.

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what is a material safety data sheet
What is a Material Safety Data Sheet?
  • Form providing detailed information about hazardous materials present at the worksite.
  • Hazards addressed:
    • Chemical
    • Health hazards
    • Reactivity and fire
    • Environmental
hazard identification
Blue = health Hazard.

Red  = flammability.

Yellow  =reactivity.

White =other hazard

0 = no or minimal hazard1 = slight hazard2 = moderate hazard3 = serious hazard4 = extreme hazard

Hazard Identification
who uses msds
Who uses MSDS?
  • Employees who may be exposed at work.
  • Employers who need to know proper storage methods.
  • Emergency responders (fire fighters, hazardous material crews, emergency medical technicians).
responsible for msds
Responsible for MSDS
  • General Contractor/Employer:
    • Communicates hazards to employees at risk.
    • Ensures MSDS is readily accessible during each work shift.
    • Passes all MSDS to owner upon completion of project.
  • Project manager:
    • Receives the MSDS from each subcontractor or supplier.
osha regulations
OSHA Regulations
  • Regulations 1926.59 & 1910.1200.
  • General Industry Standards for Hazard Communication.
  • MSDS must be available to employees for potentially harmful substances handled in the workplace.
msds format
MSDS Format
  • No standard format.
  • Two main formats utilized:
    • OSHA
    • ANSI
  • Can be hardcopy, computer, fax, etc.
  • Must contain basic informational requirements.
overview required information


Protective Equipment

Spill hazard procedures

ID organization responsible for preparing the MSDS

Overview: Required Information
  • Identity
  • Physical properties
  • Toxicity/Carcinogen
  • Reactivity
  • Health effects
  • Exposure limits
  • First aid
required information
Required Information
  • Identity & Physical Properties:
    • Name of product/ chemical name.
    • Flash point, melting point, boiling point, etc.
  • Toxicity:
    • Defined in OSHA 29 CFR 1910.1200 Appendix A
    • Lethality of a substance in albino rats; how dangerous it is and method of poisoning (inhalation, skin contact, ingestion).
    • Whether chemical is considered a carcinogen.
required information11
Required Information
  • Health effects:
    • Detrimental effects of a substance on the human body.
  • First aid:
    • Information which would help in rendering medical assistance.
required information12
Required Information
  • Storage:
    • Proper handling and storage techniques.
  • Disposal:
    • Most substances cannot go down the drain or in the trash can.
required information13
Required Information
  • Reactivity:
    • Potential hazards of reaction with other substances (air, water, chemicals).
  • Protective Equipment:
    • Listing of equipment to use when working with the chemical (respirator, goggles, gloves, apron).
additional required information
Additional Required Information
  • Contact information for the manufacturer of the substance.
  • Important facts not included in previous sections:
    • radioactivity
location of msds on jobsite
Location of MSDS on Jobsite
  • Compiled by site safety or management personnel.
  • Kept in a binder in jobsite trailer.
  • Must ALWAYS be available onsite.
examples relevance
Examples & Relevance
  • Drillers, sandblasters, drywall sanders, and brick masons: risk inhaling particles of dust, sand, and crystalline silica, which can lead to lung cancers, tuberculosis, and silicosis.
  • Welders and other metalworkers: risk inhaling metal fumes, which can cause lung ailments, airway disorders, and cancer.
  • Asphalt used in paving and roofing has been linked to throat irritation, nausea, and chronic lower respiratory infections.
examples relevance17
Examples & Relevance
  • Finishing work: can breathe in toxic fumes from paints, adhesives, floor finishes, and other materials.
  • Renovation and demolition of old buildings exposes workers to lead paint, asbestos, and toxic molds.
online resources
Online Resources
  • To prevent accidents on the jobsite related to hazardous substances, it is mandatory to have MSDS available to employees.
  • MSDS is also outlines ways to treat incidences related to exposure of a hazardous substance.


National Safety Council. (1985). The facts about the hazard communication standard: A guide book.

Illinois: National Safety Council.