Please select from the "select" button of "CAS Number"and then click "Calculation"and "Error Check" again. Because Nickel is not "Voluntary Declarable Substances".
Hello.I'm sorry my reply is late.Please select from the "select" button of "CAS Number"and then click "Calculation"and "Error Check" again.Because Nickel is not "Voluntary Declarable Substances".Thank you and best regards,