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Biodiesel Process Overview

3/27/07. INSPECTION POINTS. Purchasing Inventory. Production. Sales Shipping. Customer Support. Biodiesel Process Overview. Isolated Shipment Lot. Purchase Order. Multiple Bulk Storage Tanks. Receiving List. tag-out. Reactor. Step-01. Method Cut Tank “I” Reactor

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Biodiesel Process Overview

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  1. 3/27/07 INSPECTION POINTS Purchasing Inventory Production Sales Shipping Customer Support Biodiesel Process Overview Isolated Shipment Lot Purchase Order Multiple Bulk Storage Tanks Receiving List tag-out Reactor Step-01 Method Cut Tank “I” Reactor Source Reactor or Holding Tank Receiving Shipment Lot Inspect Step-05 Multiple Batches Checklist material dependent Glycerin Step-02 Feedstock Methanol Catalyst Receiving Inspection per material spec COA MWT Monomer Weigh Tank Demethylation of Biodiesel Step-03 Shipping sample/test D6751 Glycerin Biodiesel Inventory Water Feedstock Soybean Oil Batch Final Glycerin Demethylation Step-04a Acid Wash Step-04b Water Wash Methanol Catalyst Sodium Methylate Reactor-F or I Step-04c Dry Methanol Glycerin Recovery Methanol Methanol Bulk Methanol Biodiesel Recovery Glycerin sales or scrap recovery 01-15-0002-03 Page 1 of 5

  2. References 1. Purchase Order 01-12-0005 Listing of Quality Records 19-02-0001 Receiving & Unloading Tanker Trucks 06-09-0001 Purchase Order Procedure 19-02-0009 Receiving & Unloading Railcars 06-12-0002 Purchase Order Form 19-02-0010 Shipping Product by Tanker or Railcar 2. Receiving 06-09-0001 Purchase Order Procedure 19-12-0004 Bulk Receiving Checklist 19-02-0001 Receiving & Unloading Tanker Trucks 19-12-0005 Inventory Checklist for Bulk Receiving 19-02-0009 Receiving & Unloading Railcars 19-12-0007 Daily Receiving Report Log 19-12-0003 Railcar Checklist (Ship & Receive) 3. Receiving Inspection 11-02-0002 QA Lab Specification Transmittal Sheet (except shipment samples) 11-11-0002 Lab Spec Methanol 11-02-0013 Work Instruction for Providing Samples to QA 11-11-0003 Lab Spec Sodium Methoxide 11-11-0001 Lab Spec Soybean Oil 4. Step 01 - Reactor 23-12-0001 “I” Reactor Log Sheet 11-11-0006 Lab Spec-”I” Reactor Demethylation of Glycerin 23-12-0002 “I” Reactor Demethylation Log Sheet 11-11-0010 Lab Spec-”I” Reactor (In-Process) 23-12-0003 “H” Reactor Log Sheet 11-13-0001 Batch Step 1-Biodiesel “I” Reactor 11-02-0006 Glycerin Determination in Reactor Sample 11-13-0011 Batch Step 1-Biodiesel “H” Reactor 11-02-0008 Test Method Oil in Glycerin 23-13-0002 Biodiesel, “I” Reactor SOP 11-11-0004 Lab Spec Reactor (In-Process) 23-13-0005 Biodiesel, “H” Reactor SOP 5. Step 02 - Glycerin 11-02-0009 K-F Water Determination Method 11-11-0011 Lab Spec-”F” Reactor Demethylation of Biodiesel 11-11-0006 Lab Spec-”I” Reactor Demethylation of Glycerin 11-13-0002 Batch Step 2-Biodiesel Glycerin 01-15-0002-03 Page 2 of 5

  3. References 6. Step 03 – Demethylation of Biodiesel 11-11-0006 Lab Spec-”I” Reactor Demethylation of Glycerin 23-12-0002 “I” Reactor Demethylation Log Sheet 11-11-0009 Lab Spec Demethylation of Biodiesel 24-12-0001 Cut Tank Log Sheet 11-13-0004 Batch Step 3-Biodiesel Demethylation by Cut Tank 24-13-0001 Cut Tank Demethylation Procedure 7. Step 04 – Blend Tank 11-11-0005 Lab Spec Blend (In-Process) 23-12-0006 Isolation of Bulk Tanks Ready for Shipment 11-13-0007 Batch Step 4-Biodiesel Wash by Blend Tank 23-13-0003 Recovery of Biodiesel from Water Wash 11-13-0012 Batch Card Citric Acid Solution 23-13-0004 Biodiesel Single or Double Water Wash SOP 11-13-0013 Batch Card Biodiesel from Water Wash 8. Step 05 – Shipment Lot 11-02-0002 QA Lab Specification Transmittal Sheet (except shipment samples) 11-02-0014 WI for Relative Density Determination 11-02-0011 Determining Significant Process Change 11-02-0015 WI for COA for Shipment of Biodiesel (D6751) 11-02-0012 Shipment Lot Tank Homogeneity 11-13-0006 Batch Step 5-Biodiesel Lot D6751 COA 11-02-0013 Work Instruction for Providing Samples to QA 23-13-0006 Isolation of Bulk Tanks Ready for Shipment 9. Shipment D6751 03-02-0001 Shipment & Billing of Finished Goods Procedure 11-11-0008 Lab-Ship Sample Test 03-12-0003 Open Sales Orders Form 19-02-0010 Shipping Product by Tanker or Railcar 11-02-0003 QA STS Definitions (for D6751 Shipment) 19-12-0006 Daily Shipping Report Log 11-02-0015 WI for COA for Shipment of Biodiesel (D6751) 19-02-0004 Pulling Samples from Tankers Loaded for 11-02-0016 WI for QA STS for Ship or Past 30 Days Sample Shipment 01-15-0002-03 Page 3 of 5

  4. Document Approvals • Instructions for filling out Document Approval Form • 1. Identify the owner of the document who has technical authority for content. • 2. Identify the authority required to review and approve (authority role). • 3. Identify who acts within required authority for this release. • 4. Approval date signifies that Document Control has received acceptance of approval. • 5. Document Control has structural control as defined in 01-01-0001 Preparation & Release of Controlled Documents. 01-15-0002-03 Page 4 of 5

  5. Revision History 01-15-0002-03 Page 5 of 5

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