40 CFR §1090.1825

1. (a)Listing of PCG batches. An auditor must review a listing of PCG batches as follows:
   1. (1)Obtain the PCG batch reports submitted by the gasoline manufacturer under subpart J of this part.
   2. (2)Foot the batch volumes.
   3. (3)Compare the total volume from the batch reports to the inventory reconciliation analysis obtained under § 1090.1810(b) and report any variances.
2. (b)Detailed testing of PCG batches. An auditor must review a detailed listing of PCG batches as follows:
   1. (1)Select a representative sample of PCG batches from the batch reports obtained under paragraph (a) of this section.
   2. (2)Obtain the volume documentation, laboratory analysis, associated PTD, and tank activity records for each selected batch.
   3. (3)Identify each selected batch in the tank activity records and trace each selected batch to subsequent reported batches of BOB or finished gasoline and report any exceptions.
   4. (4)For each selected batch, report as a finding any instance where the reported volume was adjusted from the original receipt volume, such as for exported PCG.
   5. (5)Compare the reported volume for each selected batch to the volume documentation and report any exceptions.
   6. (6)Compare the reported gasoline type for each selected batch to the associated PTD and report any exceptions.
   7. (7)Compare the reported properties for each selected batch to the laboratory analysis and report any exceptions.
   8. (8)Compare the reported test methods used for each selected batch to the laboratory analysis and report any exceptions.