Rationale

1) Procedure “A” Working Range in Scope needs updated to correspond with ILS performed in 2022. 2) Procedure “A” precision and bias statement needs updated to correspond with ILS performed in 2022. 3) Standard needs updated to provide clearer guidance in the areas of sample homogenization, syringe size, test specimen size, water standards selection/use, verification of equipment calibration, normal random testing variation(s).