hazardous waste management & regulatory guidance for ... · • training of those persons a...
TRANSCRIPT
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Hazardous Waste Management & Regulatory Guidance for Laboratories
March 28, 2013 Presenter: John Misleh, Supervisor
County of San Diego, Hazardous Materials Division
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Hazwaste container in a lab hood
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Accumulation of hazardous waste
• Lack of proper hazardous waste labeling on containers and tanks are common.
• Waste labeling begins at the point of waste generation.
• Person who first created the waste should be responsible for the labeling and content of the label.
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What can be done to address waste accumulation challenge
• Have prepared hazardous waste labels in the labs. Keep a stock of labels ready.
• Training important (and refresher trainings). • Weekly inspections by lab safety person. • Unknowns and unlabeled containers, don’t
wait, address these right away.
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Leaking container
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Leaked chemical in a tray in cabinet at lab
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Spills/Leak of Chemicals
• Clean up right away. Manage cleanup materials properly.
• Waste classification done during spill cleanup. • Good housekeeping and lab chemical hygiene
important. • Dirty, unorganized labs usually get the most
violations when inspected. • Train employees about spill cleanup, their role,
and facility’s standard operating procedure.
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Temporary or Contract Lab Workers
• Staff hired as temporary workers and contract lab personnel, have seen major non-compliance problems during hazardous waste inspections.
• Facility EH&S should watch those labs in particular.
• Weekly self inspections highly recommended. • Follow-up on weekly inspection deficiencies.
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Waste waiting for classification and labeling
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Waste waiting for classification and labeling
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Don’t wait for the hazardous waste transporter to do the waste
classification • Law requires the waste classification to be
done at the moment the chemical is a waste. • Waste generator must do the classification
and labeling of waste. • Ensure the waste transporter has
knowledgably technicians performing the waste packaging and lab packing. Are they wearing appropriate PPE!
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Incompatible waste in lab hood next to each other in same tray
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Segregate incompatible hazardous waste
http://cameochemicals.noaa.gov/search/simple
• Don’t store incompatible hazardous waste next to each other. Or on top of each other.
• Be sure lab workers know the incompatible wastes they are generating and how to store the waste. And where to store it.
• Many ‘lessons learned’ at websites: http://ucih.ucdavis.edu/docs/se261explosion.pdf http://www.aiha.org/insideaiha/volunteergroups/la
bHandScommittee/Pages/WasteSolventExplosionandFire.aspx
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No aisle space at 90 day waste storage area
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Aisle space for waste storage is important
• Regulation requires aisle space around hazardous waste containers.
• To allow for emergency response actions and close-up inspection if needed.
• Cluttered and disorganized waste storage areas attract more clutter and inspector scrutiny.
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Waste containers on their sides
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Waste containers on their sides with other waste
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Storage of waste haphazardly
• Don’t store waste containers on top of each other.
• Don’t store waste containers on their sides or upside down.
• Assign facility EH&S technician to keep watch over the waste storage areas and condition.
• If the technician is not doing the job, then a accident, leak, spill…. is more likely.
• Glass containers, need more care. • Anticipate waste storage need and plan
accordingly. Over-accumulation of waste can and does occur.
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Corroded waste container, past leakage from unknown waste
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Corroded waste container
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Corroded waste container, labeling gone
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Corroded containers are troublesome
• Corroded containers can be a indicator of aged chemicals or off.spec materials.
• Will the container fall apart when handled. • Difficult/hazardous to open sometimes. • Preventable hazard to employees and safety if
managed properly before corrosion get worse. • Lab personnel will usually shun the corroded
chemical container and order/get a fresh stock for their lab work & research.
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Labeling is faded, stained, damaged
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Label is falling off, torn, or illegible
• Chemical containers which have damaged/faded- out labels are a risk. Hard to read the label.
• Lab personnel may shun the chemicals with damaged labels and order/get new stock.
• Inspectors will scrutinize the damaged labels and contents.
• These cabinets or shelves seem to attract other unwanted relatives, brothers and sisters, and before you know it, the problem has multiplied.
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Open hazardous waste container
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Open hazardous waste container
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Open containers not okay
• Open hazardous waste containers are common. • Must be kept closed except when using
(eg..adding to it or pouring out). • Train staff and inspect labs routinely. • Open waste containers draw inspector scrutiny. • Leaving hazardous waste containers open in lab
hood is a observed problem. Evaporation of hazardous waste for disposal is a problem.
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Out of state lab personnel
• Persons from another State or country may not be familiar with California’s hazardous waste classification and regulations.
• Training of those persons a must. • Watch out for lab chemicals sink disposal of
chemical waste down the drain. • Put signs at sinks telling users not to pour
hazardous waste down the drain. • If English is a second language, provide
training/signage/labeling in their native language (usually OSHA mandated anyway)
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Lab hood in disarray
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Lab hood in disarray
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Bottle beard
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Bottle whiskers
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Bottle beard
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Bottle beards
• Chemical containers with bottle ‘beards’ are risk. • Consider why are the crystals, powder forming on
the cap or lid. • Be cautious, can indicate a unsafe condition, such
as a aged chemical that is unstable. • Use good PPE to protect health. • Containers will draw inspector scrutiny. • Usually the container label is illegible and
partially deteriorated, stained, faded, etc.. • Lab workers will usually reject these containers
and order fresh stock for their lab work. 34
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Contaminated lab glassware and chemical containers
• Emphasize to all lab staff that glassware boxes are for California-empty (drip dry) containers and disposable lab devices (used pipettes, etc.)
• Inspectors have seen chemical bottles inside the disposal glass boxes that were not empty.
• Extremely hazardous waste containers are a special category, and these containers require additional regulation (triple rinsing).
• Signage/label at these boxes can be helpful.
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Bulging waste drum
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Bulging waste drum
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Bulging waste drum, red brown vapors and gas spewed out when drum bung started to be unscrewed by PPE protected hazmat responder
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Pressurized or bulging containers
• These containers are a threat. • Consider why is the container bulging? • What to do next? • Is it an emergency situation. • Proper PPE and safety a must. • Contact the County Hazmat team for advice. • Do not ignore the bulging container, they rarely
pull back on their own. Usually will pop their content and hopefully no one is exposed or injured.
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Compressed gas cylinder hazardous waste
• Have a adequate plan to deal with compressed gas cylinders hazardous waste.
• If they are not empty, they are a risk. • The cylinder supplier is a good resource. • Lecture bottles are a special challenge. Vendor may
not take them back. • Do not open cylinder valve to purposefully dispose of
unwanted contents. • Do not give to scrap metal company if not empty
(recommend de-valving (must be empty first!) if scrap metal).
• Extremely hazardous gas cylinders require additional special handling and disposal.
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http://www.cuhwc.net/2008/papers/CompressedGas.pdf Good overview of how UC Berkley managed waste Unwanted Lecture Bottles: What a Gas! Presented by: Kelley Etherington & Phil Kruse UC Berkeley EH&S UC Berkeley disposed of almost 150 compressed gas cylinders that could not be returned to the vendor. Published guideline (booklet) Create web page Get a list of unwanted gases Obtain disposal quotes Seek funding Obtain disposal contractor Dispose of unwanted cylinders
Waste gas cylinder
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Universal Waste storage and disposal California universal wastes are: 1. Electronic devices: Includes any electronic device that is a hazardous waste
(with or without a Cathode Ray Tube (CRT)), including televisions, computer monitors, cell phones, VCRs, computer CPUs and portable DVD players.
2. Batteries: Most household-type batteries, including rechargeable nickel-cadmium batteries, silver button batteries, mercury batteries, alkaline batteries and other batteries that exhibit a characteristic of a hazardous waste
3. Electric lamps: Fluorescent tubes and bulbs, high intensity discharge lamps, sodium vapor lamps and electric lamps that contain added mercury, as well as any other lamp that exhibits a characteristic of a hazardous waste. (e.g., lead).
4. Mercury-containing equipment: Thermostats, mercury switches, mercury thermometers, etc..
5. CRTs: The glass picture tubes removed from devices such as televisions and computer monitors. CRT glass: A cathode ray tube that has been accidently broken or processed for recycling.
6. Non-empty aerosol cans http://www.dtsc.ca.gov/HazardousWaste/UniversalWaste/upload/UW_Factshe
et1.pdf DTSC factsheet about waste handling and disposal.
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The end
Resources: http://cers.calepa.ca.gov/business CERS website http://ccelearn.csus.edu/wasteclass/intro/intro_01
.html DTSC online, self-paced waste classification training
http://www.dtsc.ca.gov/ DTSC website http://www.sdcounty.ca.gov/deh/hazmat/hazmat_
permits.html County website for unified program permits, etc..
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