Characteristic/Property

Limits of Acceptability

Volatile Sulfur

1.0 % Maximum

Volatile Chloride

1.7 % Maximum—Neville Island

4.0 % Maximum—Big Sandy

Volatile Bromide

0.3% Maximum

Volatile Fluoride

0.4 % Maximum

High Exotherm During Reactivation

Require Case-by-Case Approval

Potassium

Maximum of 0.1 wt. %

Sodium

Maximum of 1.0 wt. %

Trace Metals

Require Case-by-Case Approval (See metals guidelines below)

Acutely Toxic, Odorous, or OSHA Regulated Adsorbates

Case-by-Case Approval

CARBON ACCEPTANCE METALS GUIDELINES FOR NEW CARBON ACCEPTANCE PROJECTS

This table lists the metals limitations which are used to evaluate carbon acceptance projects. Spent carbons with metals concentrations above these guidelines will not be approved for reactivation whether non-hazardous or RCRA hazardous.

Metal

Concentration, mg/kg

Antimony

< 1000

Arsenic

< 50

Beryllium

< 63.75

Barium

< 350

Cadmium

< 2.5

Total Chromium

< 200

Hexavalent Chromium

< 3.75

Copper

< 500

Iron

< 10,000

Lead

< 50

Manganese

< 5000

Nickel

< 5000

Selenium

< 200

Silver

< 200

Thallium

< 200

Zinc

< 500

Mercury

Not acceptable



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