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Hazardous Waste Management


Hazardous Waste Management What is Hazardous Waste EPA Definition: A material is a hazardous waste if due to its quantity, concentration, physical, chemical or ... – PowerPoint PPT presentation

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Title: Hazardous Waste Management

Hazardous Waste Management
What is Hazardous Waste
  • EPA Definition
  • A material is a hazardous waste if due to its
    quantity, concentration, physical, chemical or
    infectious characteristics it possesses a
    substantial present, or potential hazard to human
    health and the environment and has no known use.

What chemical waste must be managed?
  • Wastes that meet any of the following
  • Ignitable Flashpoint of 140F
  • Corrosive pH 2 or 12.5
  • Toxic LD-50 lt 5000 mg/kg
  • Reactive Reacts with anything

Common Wastes
  • Solvents
  • Paint thinner
  • Paint
  • Some Clays with Glazes
  • Some Metals
  • Photo Chemicals
  • Dyes
  • Metal Etching Solutions

Hazardous waste must not be disposed of on site.
This includes Storm or Sewer Drains
The Trash Can
Satellite Accumulation
  • These are areas within the Campus that generate
    small quantities of Hazardous Waste.
  • Definition An Area that within 9 months
  • No more than 55 gallons of any
  • hazardous waste stream.
  • No more than 1 quart of any acutely or extremely
    hazardous waste stream.

Hazardous Waste Storage
A funnel is not a cap
Poor management of paint waste.
Good Secondary Containment
Waste containers must be keep closed/capped
unless waste is being added or removed!
Hazardous Waste Storage
  • Containers need to have closable/sealable lids or
  • Containers must be in good condition no holes,
    creases, cracks, rust.
  • They must be compatible to the waste stored in

Container open with no label
Hazardous Waste Storage
  • NO Food or Beverage Containers.

Hazardous Waste Storage
  • Remember hazardous waste containers are for waste
    and not trash.

Waste Labeling
  • Label must have the words
  • Hazardous Waste
  • The name and address of the generator (SDSU)
  • The waste composition and physical state
  • Percent volume
  • Type of Hazard, ie. Flammable, Corrosive, Toxic
  • The accumulation start date (Month, Day, Year)

Incomplete waste label -No Start Date -No percent
volume -No hazards checked
Waste Labeling
Needs improvement!!
  • In other words, fill out the entire hazardous
    waste label!!

Empty Containers
  • gt 5 gallons in size which previously held
    hazardous materials must be managed as Hazardous
  • lt 5 gallons dont need to be managed
  • Empty containers of any size that previously held
    Highly toxic materials must be handled as
    hazardous waste. Sodium azide

California Empty
  • Collect
  • Collect in a safe location away from foot
  • Invert to dry
  • Invert bottle over paper towels and shake to dry.
    (Do not air dry in fume hoods)
  • Deface
  • Thoroughly deface the chemical label.
  • Dispose
  • To dispose of the bottle call EHS.

Waste Container removal
  • Call EHS Department
  • x46778 or x46098
  • Never allow more than the maximum amounts to be
  • Satellite containers will be removed within 7
    working days.

Waste Minimization
  • Key methods for waste minimization
  • Reduce
  • Purchase only what you need
  • Reuse
  • Reuse empty containers to collect waste
  • Discarded material could be used in another
  • Recycle
  • Some waste oils and paints can be recycled
  • Remember that Paper, Metals and some Plastics can
    be recycled

Chemical Spills
  • Have a Spill Kit Ready
  • Set-up kit for your specific needs
  • Take inventory of the kit frequently
  • Quickly replace used or missing items

Spill Response
  • For Small Spills
  • Spills one gallon or less, clean the spill using
    the material in your spill kit.
  • Don your proper protective equipment (PPE).
  • Place contaminated material into your spill bag,
    seal, and attach a hazardous waste label.
  • Request a waste pick up of the material from

Spill Response
  • For Larger Spills
  • Contain the spill if possible, notify others in
    the area, and evacuate the area.
  • Notify your safety officer or EHS and the
    supervisor of the area.
  • If after business hours, notify Public Safety

Finally, If All Else Fails
  • Consult the Hazardous Materials and Hazardous
    Waste Management Practices Booklet provided by

Frequently Asked Questions
  • Q How do I know if my waste product is actually
  • A Other than going though a long and costly
    waste determination process, give the material to
    EHS and let them make that determination.

Frequently Asked Questions
  • Q Do I need the exact percentage on the
    hazardous waste label?
  • A No, they can be done in percent ranges like
    10-30. If there are too many components and
    there is not enough room to list them, then list
    the three major components or any acute hazardous
    waste, no matter the amount.

Frequently Asked Questions
  • Q How do I know if a chemical is acutely
    hazardous waste?
  • A Acutely hazardous waste is given something
    called a P-code by the EPA and can be found at
    the following link
  • http//www.epa.gov/osw/hazwaste.htm and click on
    The P-list and the U-list.
  • Or go to 40 CFR 261.33(e)

The End
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