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Health and safety Stuff

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Health and safety Stuff A Couple of Definitions Health and ... is a summary of the important health related facts about a chemical used in our work or home ... – PowerPoint PPT presentation

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Title: Health and safety Stuff


1
Health and safety Stuff
  • A Couple of Definitions

2
Health and Safety Stuff Your Right (and need)
to Know
  • MSDS Material Safety Data Sheet
  • The Material Safety Data Sheet (MSDS) is a
    summary of the important health related facts
    about a chemical used in our work or home
    environment.
  • The purpose of the MSDS is
  • to inform industrial purchasers and users of
    hazardous chemicals of the reasonably foreseeable
    physical and chemical hazards that may arise from
    the use of those chemicals.
  • Most products we use in our day to day work and
    lives have MSDS
  • There is a generally accepted format for MSDSs
    --- BUT THEY ARE NOT ALL THE SAME.

3
Health and Safety Stuff Your Right (and need)
to Know
  • TLVThreshold Limit Value
  • TLV is the concentration of material to which a
    person can be exposed Day after Day without
    adverse effects
  • There three Kinds of TLVs
  • TLV TWA TWATime weighted Average --- for
    example an average over a 40 hour work week or
    over an 8 hour day
  • TLV-STEL The max concentration for 15 min
    exposures at most 4 times a day with at least 1
    hour between exposures
  • TLV-C Ceiling Limit NEVER EXCEED THIS LIMIT
    EVEN INSTANTANEOUSLYgt

4
Health and Safety Stuff Your Right (and need)
to Know
  • Immediately Dangerous to Life and Health (IDLH)
  • An atmosphere that poses immediate threat to
    life, would cause irreversible adverse health
    effects or would impair an individuals ability
    to escape from a dangerous atmosphere.
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