Switching Between Normal, Reduced, and Tightened Inspection (ANSI/ASQ Z1.9)

Here is a chart of the switching rules between the three types of inspection (and discontinuation of inspection), as given by ANSI/ASQ Z1.9 standard.

To learn about the number of batches that will be inspected under a certain inspection type, until switching to a different inspection type, click on the relevant arrow or rule.

	10 consecutive batches not rejected		5 consecutive batches not rejected
Reduced Inspection		Normal Inspection		Tightened Inspection		Discontinue Inspection
	1 batch not accepted		2 of 5 consecutive batches rejected		5 consecutive batches remain on tightened inspection