Common use of Quantity Measurement Clause in Contracts

Quantity Measurement. Quantity measurements shall be taken at HCU 942 meter -------------------- FQ-2575. The following meters shall be used as input to the above calculations: Light Cycle Oil to HCU 942: XX-XXXX Heavy Gas Oil from DCU 843 to HCU 942: DCU 843 FE-1000 Heavy Gas Oil from AVU 146 & Light Cycle Oil to HCU 942: HCU 942 FQ-1020 Quality Measurement: Grab samples shall be taken (3) times per week and analyzed ------------------- for each specification. Product Purchase Agreement Page 35 August 3, 1999 EXHIBIT A-23 Product: Diesel from HCU 942 ------- Target Specification: -------------------- Property Specification Test Method -------- ------------- ----------- API Gravity 30.0 Minimum ASTM D-1298, ASTM D-287, or ASTM D-4052 Corrosion 3 hrs. @ 212 degrees F 1 Maximum ASTM D-130 Viscosity @ 100 degrees F 2.0 cSt Minimum ASTM D-445 Viscosity @ 100 degrees F 3.6 cSt Maximum ASTM D-445 Flash Point 130 degrees F Minimum ASTM D-56 90% 540 degrees F Minimum ASTM D-86 90% 640 degrees F Maximum ASTM D-86 FBP 690 degrees F Maximum ASTM D-86 Color 2.5 Maximum ASTM D-1500 Cloud (September-March) 15 degrees F Maximum ASTM D-2500, ASTM D-5771, or ASTM D-5773 Cloud (April-August) 20 degrees F Maximum ASTM D-2500, ASTM D-5771, or ASTM D-5773 Pour (September-March) 0 degrees F Maximum ASTM D-97, ASTM D-5949, or ASTM D-5950 Pour (April-August) 10 degrees F Maximum ASTM D-97, ASTM D-5949, or ASTM D-5950 Sulfur 0.047 wt% Maximum ASTM D-2622 Cetane Index 42 Minimum ASTM D-976 Ash 0.01 wt% Maximum ASTM D-482 Carbon Residue (Ramsbottom on 10% Bottom) 0.35 Maximum ASTM D-524 BS&W 0.05 Maximum ASTM D-1796 Haze Rating @ 77 degrees F (Procedure 2) 2 Maximum ASTM D-4176 Thermal Stability 90 Minutes 150 degrees C Pad Rating 7 Maximum Dupont Scale OR Oxidation Stability 2.5 mg/100 ml Maximum ASTM D-2274 * Denotes less than Target specifications are based on current fungible transportation diesel fuel namely Colonial 74 Grade Low Sulfur Diesel Fuel. To the extent the specifications change for Colonial 74 Grade Low Sulfur Diesel Fuel the target specifications will be changed accordingly. Quantity: Xxxxx Company shall sell and Xxxxx shall purchase the portion of this -------- Product produced by Xxxxx Company feedstocks in HCU 942. That portion is calculated as follows: Xxxxx Company Diesel = Total Diesel * ( Heavy Gas Oil from AVU 146 to HCU EXHIBIT A-23

Quantity Measurement. Quantity measurements shall be taken at HCU 942 meter -------------------- FQ-2575FQ-2600. The following meters shall be used as input to the above calculations: Light Cycle Oil to HCU 942: XX-XXXX Heavy Gas Oil from DCU 843 to HCU 942: DCU 843 FE-1000 Heavy Gas Oil from AVU 146 & Light Cycle Oil to HCU 942: HCU 942 FQ-1020 Quality Measurement: Grab samples shall be taken (3) times per week and analyzed ------------------- for each specificationby gas chromatography and distillation. Product Purchase Agreement Page 35 August 3, 1999 EXHIBIT A-23 A-22 Product: Diesel Kerosene from HCU 942 ------- Target Specification: -------------------- Property Specification Test Method -------- ------------- ----------- API Gravity 30.0 37.0 Minimum ASTM D-1298, ASTM D-287, or ASTM D-4052 API Gravity 51.0 Maximum ASTM D-1298, ASTM D-287, or ASTM D-4052 Corrosion 3 2 hrs. @ 212 @212 degrees F 1 Maximum ASTM D-130 MSEP 85 Minimum ASTM D-3948 Water Reaction Interface Rating 1b Maximum ASTM X-0000 Xxxxxxxx Xxxxx -40 degrees C Maximum ASTM D-2386 or ASTM D-5972 Viscosity @ 100 -4 degrees F 2.0 cSt Minimum ASTM D-445 Viscosity @ 100 degrees F 3.6 8.0 cSt Maximum ASTM D-445 Flash Point 130 108 degrees F Minimum ASTM D-56 9010% 540 degrees F Minimum ASTM D-86 90% 640 400 degrees F Maximum ASTM D-86 FBP 690 572 degrees F Maximum ASTM D-86 Color 2.5 Residue, % 1.5 Maximum ASTM D-1500 Cloud (September-March) 15 degrees F D-86 Loss, % 1.5 Maximum ASTM D-2500, ASTM D-5771, or ASTM D-5773 Cloud (April-August) 20 degrees F D-86 Existent Gum 7 mg/100 ml Maximum ASTM D-2500, ASTM D-5771, or ASTM D-5773 Pour (September-March) 0 degrees F D-381 Thermal Stability Pressure Drop 25 mm/Hg Maximum ASTM D-97, ASTM D-5949, or ASTM D-5950 Pour (April-August) 10 degrees F D-3241 Thermal Stability Tube Deposit 3 Code Maximum ASTM D-97, ASTM D-5949, or ASTM D-5950 D-3241 Sulfur 0.047 0.30 wt% Maximum ASTM D-2622 Cetane Index 42 Doctor Negative ASTM D-4952 Aromatics 25 vol% Maximum ASTM D-1319 Neutralization Number 0.1 mg KOH/g Maximum ASTM D-974 Smoke / Naphthalenes Smoke Point 25 Minimum ASTM D-976 Ash 0.01 wt% D-1322 OR Smoke Point 18 Minimum ASTM D-1322 AND Naphthalenes 3.0 Maximum ASTM D-482 Carbon Residue (Ramsbottom on 10% Bottom) 0.35 Maximum ASTM D-524 BS&W 0.05 Maximum ASTM D-1796 Haze Rating @ 77 degrees F (Procedure 2) 2 Maximum ASTM D-4176 Thermal Stability 90 Minutes 150 degrees C Pad Rating 7 Maximum Dupont Scale OR Oxidation Stability 2.5 mg/100 ml Maximum ASTM D-2274 * Denotes less than D-1840 Target specifications are based on current fungible transportation diesel aviation fuel namely Colonial 74 54 Grade Low Sulfur Diesel Jet Fuel. To the extent the specifications change for Colonial 74 54 Grade Low Sulfur Diesel Jet Fuel the target specifications will be changed accordingly. Quantity: Xxxxx Company shall sell and Xxxxx shall purchase the portion of this -------- Product produced by Xxxxx Company feedstocks in HCU 942. That portion is calculated as follows: Xxxxx Company Diesel = Total Diesel * ( Heavy Gas Oil from AVU 146 to HCU EXHIBIT A-23.