Module 2 - Workplace Hazardous Materials Information System (WHMIS)

1
Module 2 - Workplace Hazardous Materials
Information System (WHMIS)

• Wayne Wood
• Environmental Safety Office
• Chancellor Day Hall, Room 615
• 398-4563
• Waynew_at_hr.lan.mcGill.ca
• http//www.mcgill.ca/eso/

2
No employer may allow the use, handling or
storage of a Controlled Productin a workplace
unless the product carries a label and a material
safety data sheet which meet the requirements of
this Act and the regulations and unless the
worker has received the training and information
required to carry out the work entrusted to him
safely- Article 62.1, An Act respecting
occupational health and safety R.S.Q., S-2.1
3
What are Controlled Products?
Class A Compressed Gas
Class B Flammable and Combustible Material
4
Controlled Products
Class C Oxidizing Material
5
Class D Controlled Products
Division 1 Materials Causing Immediate and
Serious Toxic Effects
Division 2 Materials Causing Other Toxic Effects
Division 3 Biohazardous Infectious Materials
6
Controlled Products
Class E Corrosive Material
Class F Dangerously Reactive Material
7
Not Classified as Controlled Products
explosives
radioactive materials
8
Not Classified as Controlled Products
domestic goods
cosmetics
9
Not Classified as Controlled Products
Food food additives
Drugs diagnostic chemicals
10
Not Classified as Controlled Products
pesticides
hazardous waste
11
WHMIS Main Elements

• Labels
• supplier
• workplace
• laboratory

DIMETHYL MEGADEATH

• Material safety data sheets
• supplier
• workplace

• Training
• core
• job specific

12
Suppliers Label
PRODUCT IDENTIFIER
TOLUENE SULFONIC ACID
RISK PHRASES Highly irritating to skin, eyes,
and nose HEALTH HAZARD DATA Strong Acid Treat
as sulphuric acid EFFECTS OF OVEREXPOSURE ACUTE
ABC Chemicals 123 Chemical Drive Chemical
City 1-800-CHE-MICAL
Supplier identifier
PRECAUTIONARY MEASURES PERSONAL PROTECTIVE
EQUIPMENT EYE Face shield and goggles GLOVES
Rubber OTHER CLOTHING AND EQUIPMENT Rubber
apron, rubber boots
FIRST AID EYES Flush with water for 15 minutes.
Consult with physician SKIN Flush with water as
per sulphuric acid INGESTION Treat as per
sulphuric acid. Consult with physician
Refer to Material Safety Data Sheet
FRANCAIS AU VERSO
13
Workplace Label
PRODUCT IDENTIFIER
Methyl Alcohol
Precautions Use in well ventilated area Avoid
contact with skin and eyes Keep away from spark
and flame
Refer to Material Safety Data Sheet
FRANCAIS AU VERSO
14
Workplace Labels Required

• On controlled products produced and used in the
  workplace,
• if the label becomes illegible.
• received from a supplier and transferred to
  another container

not required if transferred material is used in
its entirety prior to the end of the work shift
15
Workplace Labelsin Research Labs

• Product identifier (name)

• MSDS must be available
• Not to be transported out of lab

Agent Green
16
Material Safety Data Sheets

• Supplier must provide
• Accessible to ALL workers in the workplace
• Must be kept up to date
• Must be made available to doctor in the event of
  exposure

17
Whats in an MSDS?

• 1. Product Information
• Item Name VARSOL-1 SOLVENT
• Company's Name EXXON CO, 800 BELL ST., HOUSTON,
  TX, US, 77252-2180
• Emerg Ph 713-656-3424
• /800-424-9300(CHEMTREC)
• Part Number 131030-00627

18
Whats in an MSDS?

• 2. MSDS Preparation
• Date MSDS Prepared 12APR95
• Safety Data Review Date 13JUN96
• MSDS Preparer's Name MARKETING TECHNICAL SER
• Preparer's Company EXXON COMPANY, USA
  (713-656-5949)

19
Whats in an MSDS?

• 3. Ingredients
• Ingredient STODDARD SOLVENT
• Ingredient Sequence Number 01
• Percent 100
• CAS Number 8052-41-3
• OSHA PEL 500 PPM
• ACGIH TLV 100 PPM

20
Definition Threshold Limit Value

• TLV (TWA) is an 8-hour time-weighted average
  believed to be the average concentration to which
  most workers can be exposed during an 8-hour
  workday, day after day, without harmful effects.
• TLV (STEL) is a 15 minute short term exposure
  limit
• Ceiling (C) is a maximum concentration never to
  be exceeded

21
Stoddard Solvent?

• Ingredient C7-C10 saturated hydrocarbon,
  Percent 83.0
• Ingredient 1,2,4-trimethylbenzene. Percent 4.0
• Ingredient C8 aromatics, Percent 17.0

22
Whats in an MSDS?

• 4. Physical Properties
• Appearance and Odor clear water-white liquid,
  mineral spirits odor.
• Boiling Point 315F,157C
• Melting Point lt0F,lt-18C
• Vapor Pressure (MM Hg/70 F) 1.6MM _at_20C

23
Whats in an MSDS?

• 4. Physical Properties (contd)
• Vapor Density (Air1) 3.5
• Specific Gravity 0.80
• Evaporation Rate And Ref 0.1 (N-butyl acetate1)
  
• Solubility In Water negligible
• Percent Volatiles By Volume 100
• pH NEUTRAL

24
Whats in an MSDS?

• 5. Fire and Explosion Data
• Flash Point 104F,40C
• Flash Point Method TCC
• Lower Explosive Limit 2.1
• Upper Explosive Limit 13.3

25
Definition Flash Point

• The flash point is the lowest temperature at
  which a liquid produces enough vapour to ignite
  in the presence of a source of ignition.
• The lower the flash point, the greater the risk
  of fire.

26
Flash Points oC

• acetone -18
• ether (diethyl) -45
• natural gas - 88
• ethyl alcohol 13
• methyl alcohol 11
• gasoline -43
• varsol 40

27
Whats in an MSDS?

• 5. Fire and Explosion Data, contd
• Extinguishing Media foam, H2O spray(fog), dry
  chem, CO2
• Special Fire Fighting Proc keep fire-exposed
  containers cool w/H2O
• Unusual Fire And Expl Hazards liq is
  volatile/gives off invisible vapour may settle
  in low areas

28
Whats in an MSDS?

• 6. Product Reactivity
• Stability YES
• Cond To Avoid keep product away from ignition
  sources such as heat,sparks,pilot lights,static
  electricity, open flames.
• Materials To Avoid strong oxidants e.g.,
  chlorine O2, sodium and calcium hypochlorite.

29
Whats in an MSDS?

• 6. Product Reactivity
• Hazardous Decomposition Products fumes, smoke,
  CO, sulfur oxides, aldehydes
• Hazardous Polymerization? NO

30
Whats in an MSDS?

• 7. Toxicological information
• LD50-LC50 Mixture ORAL LD50 (RABBIT) gt3.16G/KG
  OF BODY WT
• Route Of Entry - Inhalation YES
• Route Of Entry - Skin YES
• Route Of Entry - Ingestion NO

31
Definition LD50

• LD50 (Lethal Dose50) is the amount of a substance
  that, when administered by a defined route of
  entry (e.g. oral or dermal) over a specified
  period of time, is expected to cause the death of
  50 per cent of a defined animal population.

32
Definition LC50

• LC50 (Lethal Concentration50) is the amount of a
  substance in air that, when given by inhalation
  over a specified period of time, is expected to
  cause the death in 50 per cent of a defined
  animal population.

33
Whats in an MSDS?

• 7. Tox. information, contd
• Signs/Symptoms Of Overexp high vap concentration
  (gt1000ppm) irritation of eyes, resp tract.
• headaches, dizziness, anesthesia, drowsiness,
  unconsciousness, other CNS effects including
  death.

34
Whats in an MSDS?

• 7. Tox. information, contd
• Carcinogenicity - IARC NO
• Carcinogenicity - OSHA NO

35
Whats in an MSDS?

• 8. Preventive measures
• Respiratory Protection none specified by
  manufacturer.
• ventilation use only w/venti sufficient to
  prevent exceeding recommended exposure limit
• limit buildup of explo concen. No smoke/flame
  use/ign source.

36
Whats in an MSDS?

• 8. Preventive measures contd
• ProtectiveGloves chem-resist gloves.
• Eye Protection splash gogg,face shields.
• Other Protective Equipment chem-resist
  apron/other imperv cloth if needed.

37
Whats in an MSDS?

• 8. Preventive measures contd
• Storage Keep cntnr clsd when not in use. Do not
  store near heat/sparks/flame/strong oxid.
  Effectively ground.
• NFPA Use approp eqmpt. NFPA-70.

38
Whats in an MSDS?

• 8. Preventive measures contd
• Spills elimnate ign sources. keep people away.
  Recover free portion. Add sand/earth/suitable
  absorbent. Min breath vap/skin contact. Venti
  confined spaces.Opn windows/doors. Keep out of
  sewers/ watercourses w/dike/impound. Conform to
  applicable govt regs.

39
Whats in an MSDS?

• 9. First Aid Measures
• Emergency/First Aid Procedure
• EYEflush w/clear water for 15mins/til irritation
  subsides. If irrit persists call physician.
• SKIN remove contaminated clothing. Wash skin
  w/soap/water.

40
Controlled Products - Characteristics and
Precautions
41
Class A Compressed GasCharacteristics

• Gas inside cylinder is under pressure
• The cylinder may explode if heated or damaged
• Sudden release of high pressure gas streams may
  puncture skin and cause fatal embolism

42
Class A Compressed GasPrecautions

• Transport and handle with care
• Make sure cylinders are properly secured
• Store away from sources of heat or fire
• Use proper regulator

43
Class B Flammable and Combustible
Material Characteristics

• May burn or explode when exposed to heat, sparks
  or flames
• Flammable burns readily at room temperature
• Combustible burns when heated

44
Class B Flammable and Combustible
Material Precautions

• Store away from Class C (oxidizing materials)
• Store away from sources of heat, sparks and flame
• Do not smoke near these materials

45
Class C Oxidizing Material Characteristics

• Can cause other materials to burn or explode by
  providing oxygen
• May burn skin and eyes on contact

46
Class C Oxidizing Material Precautions

• Store away from Class B (flammable and
  combustible) materials
• Store away from sources of heat and ignition
• Wear the recommended protective equipment and
  clothing

47
Class D, Division 1Materials Causing Immediate
and Serious Toxic EffectsCharacteristics
May cause immediate death or serious injury if
inhaled, swallowed, or absorbed through the skin
48
Class D, Division 1Materials Causing Immediate
and Serious Toxic EffectsPrecautions

• Avoid inhaling gas or vapours
• Avoid skin and eye contact
• Wear the recommended protective equipment and
  clothing
• Do not eat, drink or smoke near these materials
• Wash hands after handling

49
Class D, Division 2Materials Causing Other Toxic
EffectsCharacteristics

• May cause death or permanent injury following
  repeated or long-term exposure
• May irritate eyes, skin and breathing passages
  may lead to chronic lung problems and skin
  sensitivity
• May cause liver or kidney damage, cancer, birth
  defects or sterility

50
Class D, Division 2Materials Causing Other Toxic
EffectsPrecautions

• Avoid inhaling gas or vapours
• Avoid skin and eye contact
• Wear the recommended protective equipment and
  clothing
• Do not eat, drink or smoke near these materials
• Wash hands after handling

51
Class D, Division 3Biohazardous Infectious
MaterialCharacteristics
Contact with microbiological agents (e.g.,
bacteria, viruses, fungi and their toxins) may
cause illness or death
52
Class D, Division 3Biohazardous Infectious
MaterialPrecautions

• Wear the recommended protective equipment and
  clothing
• Work with these materials in designated areas
• Disinfect area after handling
• Wash hands after handling

53
Class E Corrosive MaterialCharacteristics

• Will burn eyes and skin on contact
• Will burn tissues of respiratory tract if inhaled

7
54
Class E Corrosive MaterialPrecautions

• Store acids and bases in separate areas
• Avoid inhaling these materials
• Avoid contact with skin and eyes
• Wear the recommended protective equipment and
  clothing

55
Class F Dangerously Reactive MaterialCharacteris
tics

• May be unstable, reacting dangerously to jarring,
  compression, heat or exposure to light
• May burn, explode or produce dangerous gases when
  mixed with incompatible materials

56
Class F Dangerously Reactive MaterialCharacteris
tics

• Store away from heat
• Avoid shock and friction
• Wear the recommended protective equipment and
  clothing