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Hazardous Waste Management Refresher Training


Hazardous Waste Management Refresher Training Resource Conservation and Recovery Act (RCRA) RCRA govern handling and disposal procedures of certain laboratory wastes ... – PowerPoint PPT presentation

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Title: Hazardous Waste Management Refresher Training

Hazardous Waste Management Refresher Training
Environmental Stewardship
  • It is the responsibility of all employees to
    manage chemical waste in a reasonable manner.
  • Failure to do so can result in harm to other
    employees and/or destruction of work areas due to
    fires, explosions, or spills.

Resource Conservation and Recovery Act (RCRA)
  • RCRA govern handling and disposal procedures of
    certain laboratory wastes that are categorized as
  • USPSNL is considered a small quantity generator
    of hazardous waste, which means less than 100 kg
    or 22 pounds of hazardous waste is produced per

Section IWaste Determination
Solid Waste vs. Hazardous Waste
  • Solid Waste A solid, semi-solid, liquid, sludge,
    or contained gas, that is no longer needed, to be
    discarded, or has served its useful purpose.
  • Hazardous Waste A solid waste that is listed by
    the EPA or exhibits one or more of four
  • Ignitable Corrosive Reactive Toxic

Hazardous Waste is only a small portion of the
waste generated in the workplace, but by far the
most harmful to the nature and the environment.
Listed Hazardous Waste
  • Complete lists of hazardous waste are located in
    your Chemical Hygiene Manual and with the Cluster
    Environmental Protection Specialists.

Hazardous Waste Determination
  • A chemical waste may also be classified as
    hazardous if it exhibits one or more of the
    following characteristics
  • Ignitability
  • Corrosivity
  • Reactivity
  • Toxicity

Characteristic Hazardous Waste
  • Ignitable Wastes
  • Is a liquid with a flashpoint of 140F or below
    (alcohols containing less than 24 alcohol by
    volume are not considered ignitable) or,
  • Is a flammable or ignitable compressed gas

Characteristic Hazardous Waste
  • Corrosive Wastes
  • Is an aqueous solution (a solution having more
    than 50 water) with a pH less than or equal to
    2.0 or greater than or equal to 12.5 or,
  • A solid waste capable of corroding steel at
    specified conditions.

Characteristic Hazardous Waste
  • Reactive Wastes
  • Is normally unstable and readily undergoes
    violent change without detonating or,
  • Reacts violently with water

Characteristic Hazardous Waste
  • Toxic Wastes
  • Using the Toxicity Characteristic Leaching
    Procedure the concentration of contaminants are
    equal to or greater than the regulatory levels
    identified in 40 CFR 261.24, Table 1. (or you can
    get the list from Kathie Moh)

Section IIWaste Minimization
What is Waste Minimization?
  • Waste minimization includes source reduction
    practices that reduce or eliminate waste
    generation at the source and environmentally
    sound recycling practices, where source reduction
    is not economically practical.

Source Reduction
  • includes any practice that reduces the quantity
    and/or toxicity of pollutants entering a waste
    stream prior to recycling, treatment, or

Examples of Source Reduction
  • equipment or technology modifications,
  • reformulation or redesign of products,
  • substitution of less toxic raw materials,
  • improvements in work practices,
  • maintenance,
  • better inventory control.

  • includes the use, reuse and/or reclamation of
    waste residuals (that may be designated as a
    hazardous waste) or materials in a hazardous

A material is used or reused
  • if it is used as an ingredient in a process to
    make a product or, or if it is used as an
    effective substitute for a commercial product. 

A material is reclaimed
  • if it is processed to recover a usable product,
    or if it is regenerated. 

How Can You Minimize Waste?
  • Plan ahead
  • Order only the amount needed
  • Avoid storing excess chemicals
  • Share unneeded chemicals
  • Keep chemicals properly labeled

Why Minimize Waste?
  • Reduce costs
  • Increase process efficiency and productivity
  • Reduce present and future regulatory burdens
  • Improve workplace safety
  • Improve environmental quality
  • Maintain or improve institutional image

Section III How to Manage and Contain Waste
Satellite Accumulation Areas (SAA)
  • All containers of hazardous waste must be stored
    in an area designated as a satellite accumulation
    area. Satellite accumulation areas must be
    established in the area where the waste was
    generated and under the direct control of the
    individual who generated the waste.

Accumulation Limits in SAAs
  • A SAA may accumulate
  • 55 gallons of non-acute waste
  • Up to 1 quart of acutely hazardous waste
  • There is no limit as to how long waste may be
    accumulated in each waste container in a SAA.
  • However, once the container is full and/or the
    above stated limits are exceeded the waste must
    be removed from the work area within three
    working days.

Condition of Hazardous Waste Containers
  • Containers must be in good condition,
  • Have no rust, pinholes, dents, leaks, or chemical
    deposits on the outside,
  • Container cap must be free of cracks and seals
    tightly no corks, stoppers, foil, and parafilm,
  • Container can not leak if inverted no beakers,
    flasks, or coffee cans

Accumulation of Chemical Hazardous Waste
  • Keep hazardous waste containers closed
  • All containers of chemical
  • hazardous waste must be
  • closed at all times except
  • when waste is being added
  • or removed from the container.

Section IV How to Properly Dispose of Chemical
Predisposal Procedures
  • Sorted by compatibility
  • In approved containers
  • Tighten caps
  • Ensure contents are properly identified

Example of a properly completed label
  • These Cornell waste label forms are and only for
    chemical waste.
  • Full names of the chemical components are listed
    along with the relative amounts
  • Correct chemical type is checked
  • All the contact information is complete

Disposal Procedures
  • Move to a Satellite Accumulation Area (SAA)
  • Once there are no more room in the SAA, move the
    waste to the storage cabinet in the
    shipping/receiving room, G-26.
  • Give the copy of the Cornell waste label to
    Kathie Moh, or the CEPS or the CDSO officer

Youre Almost Done
  • Make sure you fill out the quiz and drop it off
    in my mailbox for record keeping.
  • Remember This is an annual requirement.

  • Contact Kathie Moh
  • 255-8849
  • kcm25_at_cornell.edu
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