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.