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RCRA-8 Heavy Metals

WHAT ARE THE RCRA-8 METALS?

RCRA is an acronym for Resource Conservation and Recovery Act. RCRA is a law that creates a framework for proper management of hazardous and non-hazardous waste.

In order for a waste type to be categorized as a hazardous waste (and regulated as such), it must exhibit at least one of four characteristics: toxicity, ignitability, corrosivity, or reactivity.  Heavy metals contribute to toxicity.  RCRA lists and monitors a group of eight heavy metals, which are commonly referred to as the RCRA-8. This includes arsenic, barium, cadmium, chromium, lead, mercury, selenium, and silver.

Please reference the chart below for the EPA’s allowable limits for each heavy metal as well as the hazardous waste code.  If your waste stream contains one of these metals at a concentration above the allowable limit, it will likely be characterized as hazardous by the EPA.

VHP_Pump_Side

Heavy Metal

EPA Allowable Limits

Hazardous Waste Code

Arsenic

5.0 ppm (mg/L)

D004

Barium

100.0 ppm (mg/L)

D005

Cadmium

1.0 ppm (mg/L)

D006

Chromium

5.0 ppm (mg/L)

D007

Lead

5.0 ppm (mg/L)

D008

Mercury

0.2 ppm (mg/L)

D009

Selenium

1.0 ppm (mg/L)

D010

Silver

5.0 ppm (mg/L)

D011

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