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E121 federal waste code Green nickel salts used in plating baths.

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E121, Nickel sulphates.

  • Federal E codes

    Nickel sulphates

Use E121 when nickel sulphates is present at >= 100.0 mg/kg by mass.

Nickel salts widely used in electroplating & metal finishing. Federal E code for waste at 100 mg/kg or more by mass.

Is Federal E121 hazardous waste?

Yes, if the listing and federal definition apply. Federal E121 lists nickel sulphates. The source, composition, concentration or test condition must match, and the exclusions in SOR/2021-25 still apply.

On a federally regulated international shipment, the applicant enters the classification in the waste line of the federal notification in CNMTS. The movement rules and exclusions apply.

What waste is Federal E121 for?

Use E121 for nickel sulphates at >= 100.0 mg/kg by mass. The material, source and any stated condition must match, and the name alone isn't enough.

Official wording
Nickel sulphates
Threshold
100.0 mg/kg

When does nickel sulphates take Federal E121?

CodeWhen it fits
E121nickel sulphates at >= 100.0 mg/kg by mass.

Pick the code from the material's origin, use, composition and test results. A shared chemical or process word doesn't make codes interchangeable. The full listed condition and any federal exclusion still decide.

Which codes sit beside Federal E121?

CodeWhat it is
E117Naphthenic acid
E118Nickel ammonium sulphate
E119Nickel chlorides
E120Nickel hydroxides
E122Nitrophenols (o-, m-, p-)
E123Nitrotoluenes, (o-, m-, p-)
E124Organotin compounds (all forms)
E126Oxalates, water soluble