Staff Sgt. Mark Heitkamp prepares a fuel sample form to annotate the days tests on July 20, 2010 on Joint Base Charleston, S.C. Information noted from the days tests will then be transferred to their database for storing and reference. The fuel being tested is JP-8, a colorless sustance composed of a large number of chemicals that smells of kerosene. Sergeant Heitkamp is the noncommisioned office in charge of the fuels laboratory with the 628th Logistics Readiness Squadron. (U.S. Air Force photo/Senior Airman Timothy Taylor)

Staff Sgt. Mark Heitkamp runs an Aeronautical Engine Laboratory test on fuel samples July 20, 2010 on Joint Base Charleston, S.C. After running 300 milliliters of fuel through the AEL pad is then tested for water contents which will show up as neon green dots. Sergeant Heitkamp is the noncommisioned office in charge of the fuels laboratory with the 628th Logistics Readiness Squadron. (U.S. Air Force photo/Senior Airman Timothy Taylor)

Staff Sgt. Mark Heitkamp performs a sign weight test on fuel samples July 20, 2010 on Joint Base Charleston, S.C. The laboratory technician runs 1 gallon of fuel through the in-line sampler, sucks the fuel out and fill it back with either to remove any remaining fuel. The lab tech finishes the test by comparing the color to Aviation Turbine Fuel Contamination Standards book.The sign and weight test is to determine color and particles. Sergeant Heitkamp is the noncommisioned office in charge of the fuels laboratory with the 628th Logistics Readiness Squadron. (U.S. Air Force photo/Senior Airman Timothy Taylor)

Staff Sgt. Mark Heitkamp uses the Aviation Turbine Fuel Contamination Standards book to verify the color of the fuel sample July 20, 2010 on Joint Base Charleston, S.C. The maximum allowed by the ATFCSB is A-4. Samples are drawn to ensure uncontaminated, clean, dry fuel is issued to the aircraft. Sergeant Heitkamp is the noncommisioned office in charge of the fuels laboratory with the 628th Logistics Readiness Squadron. (U.S. Air Force photo/Senior Airman Timothy Taylor)

Staff Sgt. Mark Heitkamp dumps fuel samples into the reclaimable waste bowser behind the fuel pump house July 20, 2010 on Joint Base Charleston, S.C. Once the bowser is full, hydrants take the bowser to storage and pump it into the product recovery tank and the fuel is then pumped back into the fuel system for use. Sergeant Heitkamp is the noncommisioned office in charge of the fuels laboratory with the 628th Logistics Readiness Squadron. (U.S. Air Force photo/Senior Airman Timothy Taylor)