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Special Waste

A quick reference for special waste measurement equivalents


Here’s a handy summary of waste units for handling and disposing of non-hazardous waste materials.

Summary of Special Waste Units

ppm (parts per million) = mg/kg, ug/g, ng/mg, pg/ug, mg/L, ug/mL, ng/uL

ppb (parts per billion) = ug/kg, ng/g, pg/mg, ug/L, ng/mL,pg/uL

ppt (parts per trillion) = ng/kg, pg/g, fg/mg, ng/L, pg/mL, fg/uL

1 ppm = 1000 ppb

1 ppb = 0.001 ppm

1 ton = 2,000 lbs

A Republic Services special waste advisor can evaluate your special waste disposal needs and identify cost-effective alternatives wherever possible, within regulatory requirements.

Let us act as a resource as you complete your special waste disposal documentation.

For detailed assistance from a Republic Services special waste advisor, request services online.

Complete Business Solutions

Waste stream consultation, recycling programs and rentals of dumpsters and other containers are just some of the trusted solutions Republic Services delivers each day.
Uniquely Qualified Special Waste Partner

Republic Services’ national network of hauling divisions, recycling centers, transfer stations and landfills are available to meet your evolving waste and recycling needs.
Other Services

If you’re looking for a wide range of
cost-effective collection, recycling and disposal solutions, look to Republic Services to handle all of your needs.


Find information on state regulations, waste determination resources, temperature conversion and more.

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