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Hazard Communication (Employee Right-to-Know)


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Title: Hazard Communication (Employee Right-to-Know)

Hazard Communication (Employee Right-to-Know)
  • AEE Safety Training Program
  • 2008

Employee Right-to-Know
  • OSHAs Hazard Communication Standard (HCS) is
    based on a simple conceptthat employees have
    both a need and a right to know the hazards and
    identities of the chemicals they are exposed to
    when working. They also need to know what
    protective measures are available to prevent
    adverse effects from occurring. OSHA designed the
    HCS to provide employees with the information
    they need to know.
  • The HCS standards common name is Employee

Purpose Scope
  • In order to ensure chemical safety in the
    workplace, information must be available about
    the identities and hazards of the chemicals.
    OSHA's Hazard Communication Standard (HCS)
    requires the development and dissemination of
    such information
  • Chemical manufacturers and importers are required
    to evaluate the hazards of the chemicals they
    produce or import, and
  • Prepare labels and material safety data sheets
    (MSDSs) to convey the hazard information to their
    downstream customers.
  • All employers with hazardous chemicals in their
    workplaces must have labels and MSDSs for their
    exposed workers, and train them to handle the
    chemicals appropriately.

Four Major Elements of the Program
  • Material Safety Data Sheets (MSDS) and Inventory
    of Chemicals
  • Labels
  • Written Program
  • Training

  • Office Locations
  • Implementation of this program is the
    responsibility of the local management (Unit
    Manager, Laboratory Manager, Office Manager)
  • Field Activities
  • Implementation of this program is the
    responsibility of the Project Manager.

Hazardous Material Inventory
  • Maintain a hazardous material inventory that
    lists all of the hazardous materials used at each
    workplace (i.e., office/lab/field location). Use
    chemical names consistent with the applicable
  • File a copy of the chemical inventory with the
    Project Safety Plan or with the Health and Safety

Material Safety Data Sheets (MSDS's)
  • Obtain a MSDS for each chemical before it is
  • Review each MSDS when it is received to evaluate
    whether the information is complete and to
    determine if existing protective measures are
  • Maintain a collection of all applicable and
    relevant MSDS's where they are accessible at all
  • Replace MSDS sheets when updated sheets are
    received (or at least every 3 years).
  • Communicate any significant changes to those who
    work with the chemical.
  • MSDS's are required for all hazardous materials
    used on site by project personnel.

  • Unless each container has appropriate labeling,
    label all chemical containers with
  • Identity of the hazardous chemical(s),
  • Appropriate hazard warnings, and
  • Name and address of the chemical manufacturer,
    importer, or other responsible party.

Hazardous Non-routine Tasks
  • Periodically, employees are required to perform
    hazardous non-routine tasks. Prior to starting
    work on such projects, provide each employee with
    information about hazards to which they may be
    exposed during such an activity.
  • This information will include
  • Specific chemical hazards.
  • Protective/safety measures which must be
  • Measures that have been taken to lessen the
    hazards including ventilation, respirators,
    presence of another employee and emergency

Informing Contractors/Subcontractors
  • Provide contractors/subcontractors the following
    information on chemicals used by or provided to
    AEE personnel
  • Names of hazardous chemicals to which they may be
    exposed while on the jobsite.
  • Precautions the employees may take to lessen the
    possibility of exposure by usage of appropriate
    protective measures.
  • Location of MSDSs and written chemical

HAZCOM Training
  • Conduct training of all employees potentially
    exposed to hazardous materials on the following
  • Before new employees begin their jobs.
  • Whenever new chemicals are introduced into the
    workplace, or
  • Annually thereafter.
  • Document both online and site-specific training

Content of This Online Training
  • HAZCOM program
  • Compliance checklist
  • Applicable regulatory requirements
  • Labeling
  • Chemical inventory
  • How to read an MSDS

Content of Site-Specific Training
  • Names of those responsible for implementing this
  • Unit manager
  • Lab Manger
  • Project Manager
  • SHE Coordinator
  • Location of the program, chemical inventory and
  • Chemicals used locally, their hazards (chemical
  • Safe work practices using chemicals.

Checklist for Compliance
  • Obtained a copy of the OSHA Standard.
  • Read and understood the requirements.
  • Assigned responsibility for tasks.
  • Prepared an inventory of chemicals.
  • Ensured containers are labeled.
  • Obtained MSDS for each chemical.
  • Prepared written program.
  • Made MSDSs available to all workers.
  • Conducted training of workers.
  • Established procedures to maintain current
  • Established procedures to evaluate effectiveness.

Checklist for Compliance 1 2
  • Obtain a copy of the standard.
  • Safety Coordinators, Unit, Laboratory and Office
    Managers should print and review a copy of OSHA
    Hazard Communication Standard 29 CFR 1910.1200
  • 1910.1200, Hazard communication
  • Appendix A, Health hazard definitions (Mandatory)
  • Appendix B, Hazard determination (Mandatory)
  • Appendix C, Information sources (Advisory)
  • Appendix D, Definition of "trade secret"
  • Appendix E, Guidelines for employer compliance
  • OSHA Document 3111 (2000) Hazard Communication
    Guidelines for Compliance http//osha.gov/Publicat
    CFR 1910.1200) http//osha.gov/dsg/hazcom/ghd05310
  • Read and understand the requirements.

Checklist for Compliance - 3
  • Assign responsibility for tasks at the local
  • Local management (unit manager, office manager,
    laboratory manager) are responsible for the
    overall implementation of the hazard
    communication program
  • Corporate Safety Department provides
    coordination, company-wide policy, generic
    company-wide training, and monitors compliance
    with the program
  • Qualified Local Safety Coordinators or designated
    HS professionals are responsible for local
    implementation of the program and site-specific
  • Designated employees are responsible for
    particular program elements such as chemical
    inventory development and labeling (should be
    appointed by the local management)

Checklist for Compliance - 4
  • Prepare an inventory of chemicals
  • Date
  • Location
  • Chemical name/product name
  • Quantity
  • Is it labeled?
  • Do you have MSDS?

Prepare an inventory of chemicals
  • Any hazardous material in any quantity on AEE
    property or sites will be identified on a list by
    the SHE Coordinator (for office locations), SHSC
    (for sites), supervisor (for work areas), or
    designee. The information on the list includes
    the substance name (as referenced on the MSDS),
    storage location, and quantity. The inventory may
    be compiled for the workplace as a whole or for
    individual work areas.
  • The inventory will be updated quarterly, or more
    frequently, as necessary.

Checklist for Compliance - 5
  • Ensure containers are labeled
  • "... the employer shall ensure that each
    container of hazardous chemicals in the work
    place is labeled, tagged or marked with... (i)
    Identity of the hazardous chemicals...and (ii)
    Appropriate hazard warnings, or alternatively,
    words, pictures, symbols or combination
    thereof,...to...provide the employees with the
    specific information regarding the physical and
    health hazards of the hazardous chemicals."

Example of acceptable label
  • (2 - Propanol)
  • ABC Chemical Co.
  • 123 Main St.
  • City, State Zip

Ensure containers are labeled
  • Employees and contractors will be informed that
    they should check all incoming hazardous material
    container labels for the following information
  • identity of product appropriate hazard warning
  • name and address of chemical manufacturer,
    importer, or other responsible party
  • Labels must be legible and prominently displayed.
    No existing label will be removed or defaced on
    containers of hazardous materials.

NFPA 704 Hazard Identification System
  • The National Fire Protection Agency (NFPA), in
    section 704 of the National Fire Code, specifies
    a system for identifying the hazards associated
    with materials. Although the system was developed
    primarily with the needs of fire protection
    agencies in mind, it is of value to anyone who
    needs to handle potentially hazardous material.
  • The hazard identification signal is a color-coded
    array of four numbers or letters arranged in a
    diamond shape. You will see hazard diamonds like
    this on trucks, storage tanks, bottles of
    chemicals, and in various other places. The blue,
    red, and yellow fields (health, flammability, and
    reactivity) all use a numbering scale ranging
    from 0 to 4. A value of zero means that the
    material poses essentially no hazard a rating of
    four indicates extreme danger. The fourth value
    (associated with white) tends to be more
    variable, both in meaning and in what letters or
    numbers are written there.

NFPA Diamond
HMIG -- Hazardous Material Identification
Guide HMIS -- Hazardous Material Information
  • The OSHA Hazard Communication Standard (HCS)
    requires all chemicals in the workplace to be
    labeled in a manner that warns of any hazards the
    chemical may present. The actual format and
    method of labeling is not specified, so there are
    several different formats in use. The NFPA hazard
    diamond is one such method. Two other HCS
    compliance systems that are very similar to one
    another are described here.
  • The Hazardous Material Identification Guide
    (HMIG) is a labeling system developed and sold
    through Lab Safety Supply Inc. The Hazardous
    Material Information System (HMIS) is a labeling
    system developed by the National Paint and
    Coatings Association (NPCA) and sold through
    Labelmaster Inc. Both systems use a label with
    four color bars and a space at the top where the
    name of the chemical should be written (see
    figure this page). The blue, red, and yellow
    colored bars indicate, respectively, the health,
    flammability, and reactivity hazard associated
    with the material. These three bars use a
    numbering scale ranging from 0 to 4. A value of
    zero means that the material poses essentially no
    hazard a rating of four indicates extreme
    danger. Although the details of how numbers are
    assigned may vary somewhat between systems, this
    is essentially the same overall scheme as is used
    in the NFPA system. (But see also the note on
    differences between NFPA and HMIG.) The fourth,
    white bar is marked "protective equipment" in the
    HMIG system, and "personal protection" in the
    HMIS system. Both systems (HMIG and HMIS) place a
    letter in this bar to indicate the kind(s) of
    personal protective equipment (PPE) that should
    be used in order to handle the material safely.
    The letters used are A - K and X. Meanings of the
    letters are the same in both systems, and both
    systems augment the letter code with icons or
    pictograms showing the kinds of PPE to be used.
  • A significant difference between the HMIG and
    HMIS systems is that the 1995 revised HMIS system
    includes a second box on the blue (health hazard)
    bar. If this second box holds an asterisk (),
    then the health hazard associated with the
    material is a chronic (long-term) effect.

HMIG Labels
HMIG Label
Similarities and Differences between NFPA and HMIS
  • Both the NFPA Hazard Identification System and
    the Hazardous Material Identification Guide (HMIG
    or HMIS) may be used to comply with the labeling
    requirement of the OSHA Hazard Communication
    Standard (HCS). These systems, although similar,
    differ in some important respects.
  • Similarities
  • Both systems have three color-coded fields to
    indicate the flammability (red), health (blue),
    and reactivity (yellow) hazards associated with
    the material.
  • Both use a system of five numbers, ranging from 0
    to 4, to indicate the severity of hazard, with 0
    being the least and 4 being the most hazardous.
  • Differences
  • They differ in layout -- NFPA uses four diamonds,
    HMIG uses vertically stacked bars.
  • The differ in interpretation of the fourth, white
    field (special handling in the NFPA system
    protective equipment in the HMIG system).
  • Possibly the most significant difference,
    however, has to do with the intended audience for
    each of the systems. The HMIG (or HMIS) was
    devised as an HCS compliance tool, and has
    employees who must handle hazardous chemicals in
    the workplace as the intended audience. The NFPA
    system was designed to alert fire fighters
    arriving on the scene of a fire to the hazards
    associated with materials present at that
    location. Therefore, the numbers assigned in the
    NFPA system assume that a fire is present. No
    such assumption holds in the HMIG/HMIS system.
    For this reason, the numbers that are assigned to
    the flammability, health, and reactivity hazards
    may differ between the NFPA and HMIG systems,
    even for the exact same chemical.

NFPA and HMIG Labels
  • NFPA and HMIG labels can be obtained, for
    example, from
  • http//www.labsafety.com/store/Signs_-_Labels_-_Ta
    pes/Labels/RTK_-_Chemical_Labels/60373/ or
  • http//www.shippinglabels.com/RTK/chemical_labels.
  • or generated internally

Write On HMIG Labels Can be Obtained from
Use HMIG Write-On Labels to identify hazard
ratings quickly and easily on containers in your
workplace. Two sizes of self-adhesive paper
Labels help you warn workers about dangers. Small
Labels have room for you to write in the chemical
name, manufacturer, date and rating. Large Labels
allow you to add all the same information as the
Small Labels plus room for the common name. Roll
of 1000. http//www.labsafety.com/store/Signs_-_L
Checklist for Compliance - 6
  • Obtain MSDS for each chemical
  • Manufacturers/suppliers are required by law to
    provide a copy of MSDS for every product
  • You probably can find your MSDS on the Internet
  • All MSDSs in your inventory should be less then
    three years old
  • A separate section of this training is dedicated
    to reading and understanding MSDSs

Checklist for Compliance 7, 8
  • Prepare written HSC program.
  • Made MSDSs available to all workers.
  • At AEE written HSC program is included in SHE
    Volume VI, SOP H-8 Hazard Communication Written
    Program (this link is to the intranet site and
    will not work outside of restricted AEE network)
  • Please note that this program needs to be locally
    customized at every location to include NAMES of
    local responsible parties
  • Written program and MSDS should be placed in
    Right-to-Know Center easily accessible by all
    employees various options for RTK Centers are
    listed here http//www.labsafety.com/store/Signs_-
  • Field HASPs should include a section on HSC and
    all MSDS for all chemicals to be used in the field

Checklist for Compliance 9, 10, 11
  • Conduct training of workers.
  • Establish procedures to maintain current program.
  • Establish procedures to evaluate effectiveness
  • The following portion of this training is
    dedicated to reading and understanding MSDS
  • Please make sure that our HSC program is active,
    employees are trained, chemicals are labeled,
    MSDS are current and available to all employees
    and subcontractors
  • The Corporate Safety Department will continue
    auditing our programs and making sure they are

Understanding MSDS
  • for OSHA Hazard Communication and WHMIS Training
  • AEE Training Program
  • 2008

Understanding MSDS
  • The information provided in this presentation
    supplements Canadian WHMIS and the US Hazard
    Communication training
  • Typical MSDS is reviewed using acetone as an
  • This detailed approach should be used when
    providing chemical-specific part of the training.
    Each MSDS for ALL products used by every employee
    should be reviewed and discussed in details
  • Emergency response planning for incidental
    exposure, including availability of FA/CPR
    trained personnel, first aid stations, eye wash
    stations, emergency showers, and proper storage
    and use requirements should be included as well
    as spill response planning

OSHA Recommended Format for Material Safety Data
Sheets (MSDSs)
  • In 1985, US Occupational Safety health
    Administration (OSHA) established a voluntary
    format for MSDSs (OSHA Form 174) to assist
    manufacturers and importers who desired guidance
    on organizing MSDS information.
  • When completed correctly, an MSDS prepared using
    Form 174 contains all of the information required
    by OSHA Hazard Communication Standard
  • However, Form 174 does not use the more organized
    and comprehensive 16-section format.
  • more from http//www.osha.gov/dsg/hazcom/msdsform

Minimum MSDS Content Form 174
  • Identity
  • Hazardous Ingredients
  • Physical/Chemical Characteristics
  • Fire and Explosion Hazard Data
  • Reactivity Data
  • Health Hazard Data
  • Precautions for Safe Handling and Use
  • Control Measures

OSHA Form 174 Sections 1, 2
OSHA Form 174 Section 3, 4, 5
OSHA Form 174 Section 6
OSHA Form 174 Section 7, 8
ANSI 16-section MSDS Format
  • OSHA believes that use of a consistent format
    will improve the effectiveness of MSDSs by making
    information easier for the reader to find,
    regardless of the supplier of the MSDS.
  • Because the 16-section format is accepted by
    consensus as the most appropriate format, OSHA no
    longer endorses that Form 174 be used for the
    preparation of MSDSs.
  • Use of Form 174, however, is still acceptable
    under the HCS if it is completed correctly.

ANSI 16-section MSDS Format
  • In order to promote consistent presentation of
    information, OSHA now recommends that MSDSs
    follow the 16-section format established by the
    American National Standards Institute (ANSI)
    standard for preparation of MSDSs (Z400.1).
  • By following this recommended format, the
    information of greatest concern to workers is
    featured at the beginning of the data sheet,
    including information on chemical composition and
    first aid measures.
  • More technical information that addresses topics
    such as the physical and chemical properties of
    the material and toxicological data appears later
    in the document.
  • While some of this information (such as
    ecological information) is not required by the
    OSHA Hazard Communication Standard (HCS), the
    16-section MSDS is becoming the international

ANSI 16-section MSDS Format
  • Manufacturer and supplier identification, Contact
  • Hazard(s) identification
  • Composition/information on ingredients
  • First-aid measures
  • Fire-fighting measures
  • Accidental release measures
  • Handling and storage
  • Exposure controls/personal protection
  • Physical and chemical properties
  • Stability and reactivity
  • Toxicological information
  • Ecological information
  • Disposal considerations
  • Transport information
  • Regulatory information
  • Other information

Section 1 Chemical Product and Company
  • This section links the chemical name on the label
    to the MSDS. The MSDS also lists the name,
    address and the phone number of the company,
    manufacturer or distributor who provides the
  • Example Acetone
  • Product Identification
  • Synonyms Dimethylketone 2-propanone
    dimethylketal CAS No. 67-64-1 Molecular
    Weight 58.08 Chemical Formula (CH3)2CO
    Product Codes J.T. Baker 5008, 5018, 5356,
    5580, 5965, 5975, 9001, 9002, 9003, 9004, 9005,
    9006, 9007, 9008, 9009, 9010, 9015, 9024, 9036,
    9125, 9254, 9271, A134, V655 Mallinckrodt 0018,
    2432, 2435, 2437, 2438, 2440, 2443, 2850, H451,
    H580, H981

Section 2 Composition/Information on Ingredients
  • This section must identify all the hazardous
    ingredients of the material. For example,
  • Ingredient - Acetone
  • CAS 67-64-1
  • Percent 99 - 100
  • Hazardous Yes

Section 2 Composition/Information on Ingredients
  • MSDS should list the chemical components as
    follows (1910.1200(g)(2)(i)(C)(1))
  • The chemical and common name(s) of all
    ingredients which have been determined to be
    health hazards, and which comprise 1 or greater
    of the composition, except that chemicals
    identified as carcinogens shall be listed if the
    concentrations are 0.1 or greater

Section 3 Hazards Identification
  • This section discusses the health and safety
    hazards of the product. The section may include
    safety ratings of the material, safe storage
    guidelines, PPE recommended to handle the
    material, and potential health effects by the
    route of entry

Section 3 Hazards Identification
  • Emergency Overview
    SYSTEM. NFPA Ratings
  • Health Rating 2 Moderate
  • Flammability Rating 3 - Severe (Flammable)
  • Reactivity Rating 0 - None
  • Contact Rating 3 - Severe
  • Lab Protective Equip GOGGLES SHIELD LAB COAT
  • Storage Color Code Red (Flammable)

Section 3 Hazards Identification
  • Potential Health Effects Inhalation Inhalation
    of vapors irritates the respiratory tract. May
    cause coughing, dizziness, dullness, and
    headache. Higher concentrations can produce
    central nervous system depression, narcosis, and
    unconsciousness. Ingestion Swallowing small
    amounts is not likely to produce harmful effects.
    Ingestion of larger amounts may produce abdominal
    pain, nausea and vomiting. Aspiration into lungs
    can produce severe lung damage and is a medical
    emergency. Other symptoms are expected to
    parallel inhalation. Skin Contact Irritating
    due to defatting action on skin. Causes redness,
    pain, drying and cracking of the skin. Eye
    Contact Vapors are irritating to the eyes.
    Splashes may cause severe irritation, with
    stinging, tearing, redness and pain. Chronic
    Exposure Prolonged or repeated skin contact may
    produce severe irritation or dermatitis.
    Aggravation of Pre-existing Conditions Use of
    alcoholic beverages enhances toxic effects.
    Exposure may increase the toxic potential of
    chlorinated hydrocarbons, such as chloroform,

Section 4 First Aid Measures
  • This section lists very basic first aid
    procedures for all routes of entry such as
  • Inhalation Remove to fresh air. If not
    breathing, give artificial respiration. If
    breathing is difficult, give oxygen. Get medical
  • Ingestion Aspiration hazard. If swallowed,
    vomiting may occur spontaneously, but DO NOT
    INDUCE. If vomiting occurs, keep head below hips
    to prevent aspiration into lungs. Never give
    anything by mouth to an unconscious person. Call
    a physician immediately.
  • Skin Contact Immediately flush skin with plenty
    of water for at least 15 minutes. Remove
    contaminated clothing and shoes. Get medical
    attention. Wash clothing before reuse. Thoroughly
    clean shoes before reuse.
  • Eye Contact Immediately flush eyes with plenty
    of water for at least 15 minutes, lifting upper
    and lower eyelids occasionally. Get medical

Section 5 Fire Fighting Measures
  • Fire Flash point -20C (-4F) CC Autoignition
    temperature 465C (869F) Flammable limits in air
    by volume LEL 2.5 UEL 12.8 Extremely
    Flammable Liquid and Vapor! Vapor may cause flash
  • Explosion Above flash point, vapor-air mixtures
    are explosive within flammable limits noted
    above. Vapors can flow along surfaces to distant
    ignition source and flash back. Contact with
    strong oxidizers may cause fire. Sealed
    containers may rupture when heated. This material
    may produce a floating fire hazard. Sensitive to
    static discharge.
  • Fire Extinguishing Media Dry chemical, alcohol
    foam or carbon dioxide. Water may be ineffective.
    Water spray may be used to keep fire exposed
    containers cool, dilute spills to nonflammable
    mixtures, protect personnel attempting to stop
    leak and disperse vapors.
  • Special Information In the event of a fire,
    wear full protective clothing and NIOSH-approved
    self-contained breathing apparatus with full
    facepiece operated in the pressure demand or
    other positive pressure mode.

Section 6 Accidental Release Measures
  • Ventilate area of leak or spill. Remove all
    sources of ignition. Wear appropriate personal
    protective equipment as specified in Section 8.
    Isolate hazard area. Keep unnecessary and
    unprotected personnel from entering. Contain and
    recover liquid when possible. Use non-sparking
    tools and equipment. Collect liquid in an
    appropriate container or absorb with an inert
    material (e. g., vermiculite, dry sand, earth),
    and place in a chemical waste container. Do not
    use combustible materials, such as saw dust. Do
    not flush to sewer! If a leak or spill has not
    ignited, use water spray to disperse the vapors,
    to protect personnel attempting to stop leak, and
    to flush spills away from exposures. US
    Regulations (CERCLA) require reporting spills and
    releases to soil, water and air in excess of
    reportable quantities. The toll free number for
    the US Coast Guard National Response Center is
    (800) 424-8802. J. T. Baker SOLUSORB solvent
    adsorbent is recommended for spills of this

Section 7 Handling and Storage
  • Protect against physical damage. Store in a cool,
    dry well-ventilated location, away from any area
    where the fire hazard may be acute. Outside or
    detached storage is preferred. Separate from
    incompatibles. Containers should be bonded and
    grounded for transfers to avoid static sparks.
    Storage and use areas should be No Smoking areas.
    Use non-sparking type tools and equipment,
    including explosion proof ventilation. Containers
    of this material may be hazardous when empty
    since they retain product residues (vapors,
    liquid) observe all warnings and precautions
    listed for the product.

Section 8 Exposure Control and Personal
  • Airborne Exposure Limits Acetone OSHA
    Permissible Exposure Limit (PEL) 1000 ppm
    (TWA) ACGIH Threshold Limit Value (TLV) 500 ppm
    (TWA), 750 ppm (STEL) A4 - not classifiable as a
    human carcinogen
  • Ventilation System A system of local and/or
    general exhaust is recommended to keep employee
    exposures below the Airborne Exposure Limits.
    Local exhaust ventilation is generally preferred
    because it can control the emissions of the
    contaminant at its source, preventing dispersion
    of it into the general work area. Please refer to
    the ACGIH document, Industrial Ventilation, A
    Manual of Recommended Practices, most recent
    edition, for details.
  • Personal Respirators (NIOSH Approved) If the
    exposure limit is exceeded and engineering
    controls are not feasible, a half-face organic
    vapor respirator may be worn for up to ten times
    the exposure limit, or the maximum use
    concentration specified by the appropriate
    regulatory agency or respirator supplier,
    whichever is lowest. A full-face piece organic
    vapor respirator may be worn up to 50 times the
    exposure limit, or the maximum use concentration
    specified by the appropriate regulatory agency or
    respirator supplier, whichever is lowest. For
    emergencies or instances where the exposure
    levels are not known, use a full-face piece
    positive-pressure, air-supplied respirator.
    WARNING Air-purifying respirators do not protect
    workers in oxygen-deficient atmospheres.
  • Skin Protection Wear impervious protective
    clothing, including boots, gloves, lab coat,
    apron or coveralls, as appropriate, to prevent
    skin contact.
  • Eye Protection Use chemical safety goggles
    and/or a full face shield where splashing is
    possible. Maintain eye wash fountain and
    quick-drench facilities in work area.

Section 8 Understanding Airborne Exposure Limits
  • Airborne Exposure Limits
  • Acetone OSHA Permissible Exposure Limit (PEL)
    1,000 ppm (TWA) ACGIH Threshold Limit Value
    (TLV) 500 ppm (TWA), 750 ppm (STEL) A4 - not
    classifiable as a human carcinogen
  • What is permissible exposure limit (PEL) and
    threshold limit value (TLV)?
  • OSHA PELs are based on the numbers developed by
    the American Conference of Governmental
    Industrial Hygienists (ACGIH) at the time when
    the OSHA standard 1910.1000 was finalized. These
    numbers are rarely updated. They are represent
    mandatory value to comply with in the US.
  • Current ACGIH TLV numbers (updated annually)
    represent the best management practice and
    standard of care. Accepted as a standard in some
    jurisdictions in the US, Canada and around the
  • Three categories of TLV are specified by the
  • Threshold Limit Value Time Weighted Average
    (TLV TWA)
  • Threshold Limit Value Short Term Exposure Limit
  • Threshold Limit Value Ceiling (C)

Section 8 Understanding Airborne Exposure Limits
  • Threshold Limit Value Time Weighted Average
    (TLV TWA)
  • The time weighted concentration for a normal
    8-hour workday and a 40-hour workweek, to which
    nearly all workers may be repeatedly exposed, day
    after day, without adverse effect
  • Threshold Limit Value Short Term Exposure Limit
  • A STEL is defined as a 15-minute TWA exposure
    which should not be exceeded at any time during a
    workday. Exposures to STEL should be no longer
    than 15-minutes and no more than 4 times a day.
  • Threshold Limit Value Ceiling (C)
  • The concentration that should not be exceeded
    during any part of working exposure
  • OSHA Permissible Exposure Limit utilizes similar
    but slightly different conditions

Section 8 Understanding Airborne Exposure Limits
  • TLVs for gases and vapors are usually established
    in term of parts per million of substance in air
    by volume (ppm)
  • They also, sometimes, listed in term of
    milligrams of substance per cubic meter of air
  • The conversion is based on 760 torr barometric
    pressure at 25oC (77oF, and where 24.45 molar
    volume in liters, giving a conversion equation
  • TLV, mg/m3 TLV, ppm (gram molecular weight
    of substance)/24.45
  • TLV, ppm TLV, mg/m3 24.45/ (gram molecular
    weight of substance)

Section 8 Understanding Airborne Exposure Limits
  • Carcinogenicity
  • A1 confirmed human carcinogen
  • A2 suspected human carcinogen
  • A3 animal carcinogen
  • A4 not classifiable as human carcinogen
  • A5 not suspected as human carcinogen

Section 8 Understanding Airborne Exposure Limits
  • When reviewing your MSDSs, please note TLV or
    PELs and carcinogenicity notations
  • Please talk to your regional or corporate SHE
    representative if you are working with a chemical
    with TLV lt 25 ppm or with a chemical defined as

Section 8 Understanding Airborne Exposure Limits
  • OSHA PELs are listed in the tables Z1-Z3 of OSHA
    Standard 29CFR1910.1000 Air Contaminants
  • 1910.1000 - Air contaminants. 
  • 1910.1000 TABLE Z-1 - TABLE Z-1 Limits for Air
  • 1910.1000 TABLE Z-2 - TABLE Z-2 
  • 1910.1000 TABLE Z-3 - TABLE Z-3 Mineral Dusts

Section 9 Physical and Chemical Properties
  • Appearance Clear, colorless, volatile liquid.
  • Odor Fragrant, mint-like
  • Solubility Miscible in all proportions in water.
  • Specific Gravity 0.79 _at_ 20C/4C
  • pH No information found.
  • Volatiles by volume _at_ 21C (70F) 100
  • Boiling Point 56.5C (133F) _at_ 760 mm Hg
  • Melting Point -95C (-139F)
  • Vapor Density (Air1) 2.0
  • Vapor Pressure (mm Hg) 400 _at_ 39.5C (104F)
  • Evaporation Rate (BuAc1) ca. 7.7

Section 10 Stability and Reactivity
  • Stability
  • Stable under ordinary conditions of use and
  • Hazardous Decomposition Products
  • Carbon dioxide and carbon monoxide may form when
    heated to decomposition.
  • Hazardous Polymerization
  • Will not occur.
  • Incompatibilities
  • Concentrated nitric and sulfuric acid mixtures,
    oxidizing materials, chloroform, alkalis,
    chlorine compounds, acids, potassium t-butoxide.
  • Conditions to Avoid
  • Heat, flames, ignition sources and incompatibles.

Section 11 Toxicological Information
  • Oral rat LD50 5,800 mg/kg
  • Inhalation rat LC50 42 ppm
  • NTP Carcinogen
  • Ingredient Acetone (67-64-1)
  • Known No
  • Anticipated No
  • IARC Category - None

Section 11 Reading Toxicological Information
  • Oral rat LD50 5,800 mg/kg what does this mean?
  • LD50 a median lethal dose
  • a chemical that has a median lethal dose LD50
    50 mg/kg when administered orally to rats is
    highly toxic
  • a chemical with oral rat LD50 5,800 mg/kg is
    not considered very toxic
  • Inhalation rat LC50 42ppm - what does this mean?
  • a chemical that has a median lethal concentration
    LC50 in air of 200 ppm or less of gas or vapor
    when administered by continuous inhalation for
    one hour to rats is highly toxic
  • a chemical with inhalation rat LD50 42 ppm is
    considered very toxic

Section 11 Reading Toxicological Information
  • Hepatotoxins Chemicals which produce liver
  • Signs Symptoms Jaundice liver enlargement
  • Chemicals Carbon tetrachloride nitrosamines
  • Nephrotoxins Chemicals which produce kidney
  • Signs Symptoms Edema proteinuria.
  • Chemicals Halogenated hydrocarbons uranium
  • Neurotoxins Chemicals which produce their
    primary toxic effects on the nervous system
  • Signs Symptoms Narcosis behavioral changes
    decrease in motor functions
  • Chemicals Mercury carbon disulfide
  • Agents which act on the blood Decrease
    hemoglobin function deprive the body tissues of
  • Signs Symptoms Cyanosis loss of consciousness
  • Chemicals Carbon monoxide cyanides

Section 11 Reading Toxicological Information
  • Agents which damage the lung Chemicals which
    irritate or damage pulmonary tissue
  • Signs Symptoms Cough tightness in chest
    shortness of breath
  • Chemicals Silica asbestos
  • Reproductive toxins Chemicals which affect the
    reproductive capabilities including chromosomal
    damage (mutations) and effects on fetuses
  • Signs Symptoms Birth defects sterility
  • Chemicals Lead DBCP
  • Cutaneous hazards Chemicals which affect the
    dermal layer of the body
  • Signs Symptoms Defatting of the skin rashes
  • Chemicals Ketones chlorinated compounds
  • Eye hazards Chemicals which affect the eye or
    visual capacity
  • Signs Symptoms Conjunctivitis corneal damage
  • Chemicals Organic solvents acids

Section 12 Ecological Information
  • Environmental Fate When released into the soil,
    this material is expected to readily biodegrade.
    When released into the soil, this material is
    expected to leach into groundwater. When released
    into the soil, this material is expected to
    quickly evaporate. When released into water, this
    material is expected to readily biodegrade. When
    released to water, this material is expected to
    quickly evaporate. This material has a log
    octanol-water partition coefficient of less than
    3.0. This material is not expected to
    significantly bioaccumulate. When released into
    the air, this material may be moderately degraded
    by reaction with photochemically produced
    hydroxyl radicals. When released into the air,
    this material may be moderately degraded by
    photolysis. When released into the air, this
    material is expected to be readily removed from
    the atmosphere by wet deposition.
  • Environmental Toxicity This material is not
    expected to be toxic to aquatic life. The
    LC50/96-hour values for fish are over 100 mg/l.

Section 13 Disposal Considerations
  • Whatever cannot be saved for recovery or
    recycling should be handled as hazardous waste
    and sent to a RCRA approved incinerator or
    disposed in a RCRA approved waste facility.
    Processing, use or contamination of this product
    may change the waste management options. State
    and local disposal regulations may differ from
    federal disposal regulations. Dispose of
    container and unused contents in accordance with
    federal, state and local requirements.

Section 14 Transport Information
  • Domestic (Land, D.O.T.)
  • Proper Shipping Name ACETONE
  • Hazard Class 3
  • UN/NA UN1090
  • Packing Group II Information reported for
    product/size 188L
  • International (Water, I.M.O.)
  • Proper Shipping Name ACETONE
  • Hazard Class 3
  • UN/NA UN1090
  • Packing Group II
  • Information reported for product/size 188L

Section 15 Regulatory Information
  • Chemical Inventory Status
  • TSCA yes
  • Canada DSL yes
  • Canada NDSL yes
  • Federal, State International Regulations
  • SARA 302 RQ - no
  • SARA 302 TRQ - no
  • SARA 313 List yes
  • CERCLA 5,000 lbs
  • RCRA 261.33 U002
  • TSCA 8(d) no
  • This MSDS has been prepared according to the
    hazard criteria of the Controlled Products
    Regulations (CPR) and the MSDS contains all of
    the information required by the CPR.

Section 15 Reading Regulatory Information
  • TSCA Inventory (US)
  • EPA classifies chemical substances as either
    "existing" chemicals or "new" chemicals. The only
    way to determine if the substance you are working
    with is a new chemical is by consulting EPA's
    Toxic Substances Control Act Chemical Substance
    Inventory (commonly referred to as the TSCA
    Inventory or just the Inventory). Any substance
    that is not on the Inventory is classified as a
    new chemical. If a substance is "new", it can be
    manufactured for a commercial purpose only if it
    is subject to an exemption from PMN reporting or
    a TSCA reporting exclusion (for example, a Low
    Volume Exemption, or exclusion as a
    naturally-occurring material). For substances
    which are "existing", the Inventory can be used
    to determine if there are restrictions on
    manufacture or use under the Toxic Substances
    Control Act (TSCA) .There are approximately
    75,000 chemical substances, as defined in Section
    3 of the TSCA, on the Inventory at this time.
  • Canada DSL/NDSL Inventory
  • Canada's environmental inventory, the Domestic /
    Non-Domestic Substances List contains over 70,000

Section 15 Reading Regulatory Information
  • Any release of one or more of the roughly 800
    CERCLA or 360 Emergency Planning and Community
    Right-to-Know Act (EPCRA or SARA Title III)
    hazardous substances that equals or exceeds a
    reportable quantity (RQ) must be reported to the
    EPA National Response Center (NRC) in the US.
  • RQs are adjusted to one of five levels 1, 10,
    100, 1,000, or 5,000 pounds. EPA bases
    adjustments to the RQs on the intrinsic
    characteristics of each hazardous substance, such
    as the aquatic toxicity, acute and chronic
    toxicity, ignitability, reactivity, and potential
    carcinogenicity. An RQ value is established for
    each of these characteristics of a hazardous
    substance, with the most stringent RQ value
    (i.e., the lowest quantity) becoming the final RQ
    or reporting trigger reporting for that hazardous
    substance spill or release.

Section 15 Reading Regulatory Information
  • What RCRA 261.33 U002 means? Acetone waste is
    classified as RCRA listed hazardous waste.
  • By definition, EPA determined that some specific
    wastes are hazardous. These wastes are
    incorporated into lists published by the Agency.
    These lists are organized into three categories
  • The F-list (non-specific source wastes). This
    list identifies wastes from common manufacturing
    and industrial processes, such as solvents that
    have been used in cleaning or degreasing
    operations. Because the processes producing these
    wastes can occur in different sectors of
    industry, the F-listed wastes are known as wastes
    from non-specific sources. Wastes included on the
    F-list can be found in the regulations at 40 CFR
  • The K-list (source-specific wastes). This list
    includes certain wastes from specific industries,
    such as petroleum refining or pesticide
    manufacturing. Certain sludges and wastewaters
    from treatment and production processes in these
    industries are examples of source-specific
    wastes. Wastes included on the K-list can be
    found in the regulations at 40 CFR 261.32.
  • The P-list and the U-list (discarded commercial
    chemical products). These lists include specific
    commercial chemical products in an unused form.
    Some pesticides and some pharmaceutical products
    become hazardous waste when discarded. Wastes
    included on the P- and U-lists can be found in
    the regulations at 40 CFR 261.33.
  • Hazardous Waste Listings - A User-Friendly
    Reference Document, Draft, March 2008 (PDF) (118
    pp, 612K)

Section 15 Reading Regulatory Information
  • This MSDS has been prepared according to the
    hazard criteria of the Controlled Products
    Regulations (CPR) and the MSDS contains all of
    the information required by the CPR.
  • Canadian authorities require a statement above be
    entered in the "Regulatory Information" section
    of every MSDS to be approved for use in Canada.

Section 16 Other Information
  • NFPA Ratings Health 1 Flammability 3
    Reactivity 0
  • Label Precautions Keep away from heat, sparks
    and flame. Keep container closed. Use only with
    adequate ventilation. Wash thoroughly after
    handling. Avoid breathing vapor. Avoid contact
    with eyes, skin and clothing.
  • Label First Aid Aspiration hazard. If swallowed,
    vomiting may occur spontaneously, but DO NOT
    INDUCE. If vomiting occurs, keep head below hips
    to prevent aspiration into lungs. Never give
    anything by mouth to an unconscious person. Call
    a physician immediately. If inhaled, remove to
    fresh air. If not breathing, give artificial
    respiration. If breathing is difficult, give
    oxygen. In case of contact, immediately flush
    eyes or skin with plenty of water for at least 15
    minutes. Remove contaminated clothing and shoes.
    Wash clothing before reuse. In all cases, get
    medical attention. Product Use Laboratory
    Reagent. Revision Information No Changes.

Section 16 Other Information NFPA Diamond
Additional Information
  • NIOSH Pocket Guide to Chemical Hazards
  • International Chemical Safety Cards
  • ASTDR ToxFaqs http//www.atsdr.cdc.gov/toxfaq.html

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