WAC 16-403-154. Starch-iodine requirement for the Granny Smith variety

Granny Smith variety may not be shipped prior to October 10th unless ninety percent or more of any lot of apples meets the stage of maturity as indicated by starch-iodine rating of 1.2 using a starch-iodine rating scale from Cascade Analytical, Inc. or any equivalent rating scale applicable to the Granny Smith variety.