If the sample collected is greater than the minimum sample requirement but less than twice that amount, the portion of the test sample that is greater than the minimum test sample requirement shall be secured as the split sample.
If the test sample collected is greater than twice the minimum test sample requirement, a portion of the sample approximately equal to the test sample shipped to the primary testing laboratory shall be secured as the split sample.
11 Va. Admin. Code § 10-180-110
Statutory Authority: § 59.1-369 of the Code of Virginia.