(a) The Division may audit any applicant's procedures and results of an approved individual commingled rate survey. The Division shall conduct its audit during the scheduled survey week for any applicant.

(b) The Division shall conduct audits. To enable the Division to conduct audits, applicants shall retain the pile of material from which the sample was taken, including the sample itself, until the completion of their daily survey. On the day of the audit, the applicant shall provide Division audit staff access to the material immediately after the applicant conducts the survey. If the applicant deviates from the approved survey time, they shall notify the Division immediately, but not less than 24 hours prior to the time of the deviation.

(c) If, in each of two separate audits, the Division determines, using standard statistical formulas, that the difference between the applicant's and the Division's proportion of California Redemption Value containers is statistically significant, the Division shall terminate the applicant's individual commingled rate survey. The difference shall be statistically significant, if the applicant's proportion is higher than the Division's, and the Division is 99% confident that the chances of the difference occurring under the applicant's approved study methodology is 5% or less.