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7/31/2019 MSDS MHK
http://slidepdf.com/reader/full/msds-mhk 1/21
M ATERIAL S AFETY D ATA SHEET
Manzurul H [email protected]
MSDS
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IN ALL WORKPLACE BE IT A LAB, A STORE OR A LAB ALLCONCERNED HAS TO KNOW WHAT CATEGORIES OF
CHEMICALS ARE IS USE?
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Everyone has a right to know what you may beexposed to and how to protect yourself
Everyone is entitled to a safe and healthy place towork,
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HAZARDOUS CHEMICALS MAY INCLUDE:
laboratory reagents, flammable solvents, gas cylinders, andwater treatment chemicals.
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HAZARDOUS CHEMICALS INLABORATORIES MAY CONSIST OF:
Corrosives - Nitric Acid Oxidizers - Silver Nitrate
General OrganicCompounds - Aniline
Caustics - Calcium Oxide Reactive Metals -
Sodium
Explosive Anhydridesand AnhydrousCompounds - SodiumPeroxide
Ketones - Acetone
Poisons - PotassiumCyanide
General InorganicCompounds - CalciumCarbide
Flammable Metals -Magnesium
Flammables - Ethanol,Butanol, Ethyl Ether
Carcinogens -Formaldehyde
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MATERIAL SAFETY DATA SHEETS
(MSDS’S)
Chemical document put out bymanufacturer detailingphysical and health hazards
One for every hazardouschemical on campus
Master file located in EHSDept.
Review before working withany chemical
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WHO USES MSDS?
Employees who may be exposed at work.
Employers who need to know proper storagemethods.
Emergency responders (fire fighters,hazardous material crews, emergencymedical technicians).
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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.
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INFORMATION ON MSDSS
Identity and date ofpreparation
Manufacturer’
s name,address, and telephonenumber
Hazardous ingredients
Physical and chemicalproperties - flash pt.,appearance and odor,etc.
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INFORMATION ON MSDSS
Control measures
Physical hazards
Routes of entry intobody
Acute and chronichealth effects
Carcinogenicity Handling and
storage precautions
7/31/2019 MSDS MHK
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HAZARD IDENTIFICATION
Blue = health Hazard.
Red = flammability.
Yellow =reactivity.
White =other hazard 0 = no or minimal hazard
1 = slight hazard2 = moderate hazard
3 = serious hazard4 = extreme hazard
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DEFINITIONS Flammable: ANY substance
easily ignited and quick burning, including liquids with a flash pointbelow 95 degrees Fahrenheit.
Toxic: ANY substance (alone
or via chemical reaction) ableto cause harm/produce injuryto the body throughabsorption, ingestion,
inhalation, or injection. Caustic: ANY substance able
to burn, damage or destroyorganic tissue by chemical
reaction; Corrosive.
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DEFINITION CONT’D
Flash point--the lowesttemperature at which a liquidproduces enough vapor toignite.
Density--(% of Water & Air);Specific Gravity
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DEFINITION CONT’D
PEL – -Permissible Exposure Limit is the
standard recognized by industry as the maximum amount or concentration of achemical that a worker may be exposed to.
TLV — Threshold Limit V alue is arecommended limit for chemical substance
exposures, similar to the PEL but most oftenmore restrictive than the PEL.
TWA – -an 8-hour Time-Weighted Average is the concentration the average worker canbe exposed during an 8-hour workday, dayafter day, without harmful effects.
STEL — “Short Term Exposure Limit” is a15 minute period.
Ceiling—the maximum (C) concentrationnever to be exceeded.
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DEFINITION CONT’D
Lethal Dose50 (LD50) is theamount of a substance that,when administered by a definedroute of entry (e.g. oral ordermal) over a specified periodof time, is expected to cause
the death of 50% of a definedanimal population.
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DEFINITION CONT’D
Lethal Concentration50 (LC50) isthe amount of a substance inair that, when given byinhalation over a specifiedperiod of time, is expected tocause the death in 50% of a
defined animal population.
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READING THE MSDS
ò Identity The chemical name, tradename and manufacturers name, addressand emergency phone number can befound here.
Ingredients Includes: substance,
% content, CAS Number, Classification,EINECS
Hazards Identification Dangers for
humans and the environment such as: Most important hazards & Specific hazards
ò First Aid gives instructions on what todo in case of eye contact, skin contact oringestion
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READING THE MSDS CONT’D
Fire Fighting Suitable extinguishingmedia, Unsuitable extinguishingmedia, Special hazards in fire,Required special protective equipmentfor fire-fighters
Accidental Release Measures/SpillClean-up Personal precautions,Environmental precautions, Methodsfor cleaning
Handling and Storage Exposure
Controls and Personal Protection Information on proper PPE to use, howto store and temperature limits
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READING THE MSDS CONT’D
Physical and Chemical PropertiesAppearance, Odor, pH, Boiling point,Melting point, Flashpoint, Explosiveproperties, Vapor pressure, Relative
density, Solubility Stability and Reactivity Conditions
to avoid, Materials to avoid, Hazardousdecomposition products
Toxicology Acute toxicity, Localeffects. Excessive exposure may affect
human health as follows: Skin contact,Eye contact, Inhalation/ingestion.
Ecological Information Lists anydangers to the environment
Disposal Lists any special disposalmethods
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READING THE MSDS CONT’D
Transport Information lists codesindicating the dangers and the type oftransport which may be needed
Regulations Lists any agency that mayregulate this product
Other InformationRecommendations/restrictions, Sources ofkey data used to compile Safety Data Sheet