Managing Hazardous Managing Hazardous Chemical WasteChemical Waste

What is Hazardous WasteWhat is Hazardous Waste

EPA Definition:EPA Definition:

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

What chemical waste must be What chemical waste must be managed?managed?

Wastes that meet any of the Wastes that meet any of the following characteristics.following characteristics.

Ignitable – Flashpoint of Ignitable – Flashpoint of ≤≤ 140140°F°F

Corrosive – pH Corrosive – pH ≤2 or ≥ 12.5≤2 or ≥ 12.5

Toxic – LD-50 < 5000 mg/kgToxic – LD-50 < 5000 mg/kg

Reactive – Reacts with Reactive – Reacts with anythinganything

Is this Hazardous Waste?Is this Hazardous Waste?

California has a much broader definitions California has a much broader definitions of hazardous waste and waste of hazardous waste and waste determination can be time consuming determination can be time consuming and costly. If you run into the question, and costly. If you run into the question, “Is this hazardous waste?”, call EH&S “Is this hazardous waste?”, call EH&S and we will help you make this and we will help you make this determination! (x46778)determination! (x46778)

REMEMBER: Because you can throw it the REMEMBER: Because you can throw it the trash or pour it down the sink at home, trash or pour it down the sink at home, does not mean you can do it in the lab.does not mean you can do it in the lab.

Hazardous waste must not be Hazardous waste must not be disposed of on site.disposed of on site.

This includes Storm or Sewer Drains

…The Trash Can

Hazardous waste must not be Hazardous waste must not be disposed of on site.disposed of on site.

Especially…Especially…

Through Waste Treatment!!

Waste Container RemovalWaste Container Removal

Call EH&S Department at x46778 or Call EH&S Department at x46778 or x46098.x46098.

NeverNever allow more than the maximum allow more than the maximum amounts to be accumulated. amounts to be accumulated.

Satellite containers will be removed within Satellite containers will be removed within seven working days.seven working days.

Satellite AccumulationSatellite Accumulation

These are areas on Campus that These are areas on Campus that generate small quantities of generate small quantities of

Hazardous Waste. This would include Hazardous Waste. This would include laboratories.laboratories.

DefinitionDefinition: An Area that within : An Area that within 9 months9 months accumulates-accumulates-

No more than 55 gallonsNo more than 55 gallons of any hazardous waste of any hazardous waste stream.stream.

No more than 1 quartNo more than 1 quart of any acutely or extremely of any acutely or extremely hazardous waste stream.hazardous waste stream.

Hazardous Waste StorageHazardous Waste Storage

Waste containers must be keptclosed/capped unless waste is being added or removed!

A funnel is not a cap

Good Secondary Containment

This open waste containers needs a capPoor waste labeling here as well

Hazardous Waste StorageHazardous Waste Storage Containers must Containers must

have have closable/sealable closable/sealable lids or covers.lids or covers.

Containers must be Containers must be in good condition: in good condition: no holes, creases, no holes, creases, cracks, rust.cracks, rust.

They must be They must be compatible to the compatible to the waste stored in it.waste stored in it.

Container open with no label

Hazardous Waste StorageHazardous Waste Storage

No Food or Beverage ContainersNo Food or Beverage Containers are are ever to be used!ever to be used!

Weekly InspectionWeekly Inspection

At least weekly, the Responsible Party At least weekly, the Responsible Party must inspect areas used for hazardous must inspect areas used for hazardous materials storage. materials storage.

You must look for leaking containers, for You must look for leaking containers, for deterioration of containers and for deterioration of containers and for deterioration of the containment system.deterioration of the containment system.

Any issues found must be corrected Any issues found must be corrected immediately.immediately.

Weekly InspectionWeekly Inspection

A written record of this weekly A written record of this weekly inspection should be posted in the inspection should be posted in the laboratory or work area.laboratory or work area.

You can You can make your make your own sheet own sheet or contact or contact your EH&S your EH&S inspector for inspector for one.one.

Waste LabelingWaste Labeling

Label must have the Label must have the words:words:

- ““Hazardous Waste”Hazardous Waste”- The name and address The name and address

of the generator (SDSU)of the generator (SDSU)- The waste composition The waste composition

and physical stateand physical state- Percent volume Percent volume - Type of Hazard, ie. Type of Hazard, ie.

Flammable, Corrosive, Flammable, Corrosive, ToxicToxic

- The accumulation start The accumulation start date (Month, Day, Year)date (Month, Day, Year)

Incomplete waste label-Component label smeared-No percent volume-No hazards checked

Waste LabelingWaste Labeling

In other words, In other words,

fill out the entire fill out the entire hazardous waste hazardous waste

label!!label!!

““Empty” ContainersEmpty” Containers

> 5 gallons in size which previously > 5 gallons in size which previously held hazardous materials must be held hazardous materials must be managed.managed.

< 5 gallons don’t need to be managed < 5 gallons don’t need to be managed as hazardous waste.as hazardous waste.

Empty containers that previously held Empty containers that previously held Highly toxic materials must be handled Highly toxic materials must be handled as hazardous waste, ie. as hazardous waste, ie. “Sodium azide”.“Sodium azide”.

““California Empty”California Empty”

Collect:Collect:– Collect in a safe locationCollect in a safe location

Invert to dry:Invert to dry:– Invert bottle over paper towels and shake to Invert bottle over paper towels and shake to

dry. (Do not air dry in fume hoods or by dry. (Do not air dry in fume hoods or by leaving the lid off)leaving the lid off)

Deface:Deface:– Thoroughly deface the chemical label and Thoroughly deface the chemical label and

mark as emptymark as empty Dispose:Dispose:

– To dispose of the bottle call EH&STo dispose of the bottle call EH&S

Key methods for waste minimizationKey methods for waste minimization

ReduceReduce– Purchase only what you needPurchase only what you need– Set up experiments so that less solvent Set up experiments so that less solvent

or chemicals are neededor chemicals are needed ReuseReuse

– Reuse empty containers to collect Reuse empty containers to collect wastewaste

– Reuse a solvents if purity is not an Reuse a solvents if purity is not an issueissue

RecycleRecycle– Some waste oils can be recycledSome waste oils can be recycled– Some metal cables and tubing can be Some metal cables and tubing can be

recycledrecycled

Waste MinimizationWaste Minimization

Chemical SpillsChemical Spills

Have a Spill Kit ReadyHave a Spill Kit Ready

Set-up kit for your Set-up kit for your specific needsspecific needs

Take inventory of Take inventory of the kit frequentlythe kit frequently

Quickly replace Quickly replace used or missing used or missing itemsitems

Spill ResponseSpill Response

For Small Spills:For Small Spills: Spills of one gallon or less, clean the spill Spills of one gallon or less, clean the spill

using the material in your spill kit.using the material in your spill kit. Don your proper protective equipment Don your proper protective equipment

(PPE).(PPE). Place contaminated material into your spill Place contaminated material into your spill

bag, seal, and attach a hazardous waste bag, seal, and attach a hazardous waste label.label.

Request a waste pick up of the material Request a waste pick up of the material from EH&Sfrom EH&S..

Rats

Spill ResponseSpill Response

For Larger Spills:For Larger Spills: Contain the spill if possible, notify others in the Contain the spill if possible, notify others in the

area, and evacuate the area. area, and evacuate the area. Notify your safety officer or EH&S and the Notify your safety officer or EH&S and the

supervisor of the area.supervisor of the area. If after business hours, notify Public Safety (911).If after business hours, notify Public Safety (911). Do not call Off-campus emergency services. This Do not call Off-campus emergency services. This

can lead to longer response time!!can lead to longer response time!!

Finally, If All Else Fails…Finally, If All Else Fails…

Consult the Hazardous Materials and Consult the Hazardous Materials and Hazardous Waste Management Practices Hazardous Waste Management Practices

Booklet provided by EH&S.Booklet provided by EH&S.

Frequently Asked QuestionsFrequently Asked Questions

Q: How do I know if my waste product is Q: How do I know if my waste product is actually hazardous?actually hazardous?

A: Other than going though a long and A: Other than going though a long and costly waste determination process, give costly waste determination process, give the material to EH&S and let them make the material to EH&S and let them make that determination.that determination.

Frequently Asked QuestionsFrequently Asked Questions

Q: How do I know if a chemical is acutely Q: How do I know if a chemical is acutely hazardous waste?hazardous waste?

A: Acutely hazardous waste is given A: Acutely hazardous waste is given something called a P-code by the EPA and something called a P-code by the EPA and can be found at the following link:can be found at the following link:– http://www.epa.gov/osw/hazwaste.htm and and

click on The P-list and the U-list.click on The P-list and the U-list.– Or go to 40 CFR 261.33(e)Or go to 40 CFR 261.33(e)

Frequently Asked QuestionsFrequently Asked Questions

Q: Do I need exact percentages on the Q: Do I need exact percentages on the hazardous waste label?hazardous waste label?

A: No, they can be done in percent ranges A: No, they can be done in percent ranges like 10-30%. If there are too many like 10-30%. If there are too many components and there is not enough room components and there is not enough room to list them, then list the three major to list them, then list the three major components or any acute hazardous components or any acute hazardous waste, no matter the amount.waste, no matter the amount.

The EndThe End