SPSFAM Heavy Metals ERP - Arsenic
Approval of Modifications
If ERP approves a method modification including extensions, then the method begins a new two (2) year period.
If the method modification is to correct an editorial error then , the method, then there is no change.
Dethod modificationƐ require substantiation of the modiĨication or extension with proof of method performance as deemed suitable by the EPR.
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