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1st Rule of Lab Safety
Haz-Waste No-No
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Updated January 2003
Chemical Hygiene Plan
Section 3.4 - Chemical Waste
B. Containers
A container refers to any of the following
that serves as a primary container; or as an outer or secondary packaging over one or more
primary containers.
- Any steel, plastic, or fiberboard drum
Metal cans and pails
Plastic carboys
Steel cylinders and tanks
Plastic-coated paper bags
Plastic baggies
Glass and plastic bottles, jars, vials
Sturdy cardboard boxes
Mercury containers
C. Container
Condition
Where possible, materials should be kept in their original containers.
Containers shall be in good condition; leaking or damaged containers are
not acceptable. If leaking or damaged, either repackage or call OSU HAZMAT to determine
the proper packaging for disposal.
Containers shall be equipped with a properly
fitting cap or other closure means. Properly secured means with the original device or
method provided by the manufacturer, or when unavoidable, with a substitute means of equal
or better quality that will prevent leakage or incidental exposure during routine handling
or in the event of the container tipping or falling over. Makeshift covers such as tape to
hold down a screw cap or a rag stuffed in an opening are unacceptable.
Containers shall be compatible with substances contained therein.
Plastic bags, where acceptable as containers
(double bagging is preferred), shall be without punctures or tears and shall be tightly
sealed. Ordinary garbage (2 mil or less) bags shall not be used as a primary or secondary
container for hazardous chemical waste.
Containers should be inspected weekly
for signs of leaks or deterioration.
Compressed gas cylinders shall not be
handled or transported until the regulating device is removed and the safety cap
installed. Every effort should be made to return compressed gas cylinders to the
manufacturer or original supplier.
D. Container
Volumes and Sizes
Glass containers shall not exceed one gallon (4 liters) in size and
shall not be filled into the neck of the fill/pour spout.
Where containers have flat tops, the liquid level shall be at least 1
inch from the fill/pour opening. Glass carboys are unacceptable.
Due to increased disposal costs, risks of handling larger containers,
and restrictions by the University Waste Disposal Contractor, metal or plastic containers
greater than 5 gallons (20 liters) in size require special approval by OSU HAZMAT section.
Plastic baggies utilized as primary containers shall be packaged in a
secondary container such as glass, hard plastic, metal, or cardboard box. Ordinary garbage
bags (2 mil or less) shall not be used as a primary or secondary container for hazardous
chemical waste.
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