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Petroleum Laboratory Specialist Details

Refine and test the fuel that moves the Guard. Use specialized science to evaluate and recommend petroleum products to fit the needs of the ever-changing battlefield. Conduct laboratory tests on samples and apply safety procedures in handling volatile products.


  • Gather samples and test petroleum products
  • Evaluate test results and make recommendations on products
  • Follow the American Society for Testing and Materials guidelines
  • Safely handle volatile products in case of a fire or emergency

To serve in the Guard, you must take the Armed Services Vocational Aptitude Battery (ASVAB). It's a series of tests that helps you better understand your strengths and identifies which Army job is best for you.

Skilled Technical (ST): 91

To become a petroleum laboratory specialist, you will train for 10 weeks at Basic Training, where you will learn basic soldiering skills. After that, there are 10 weeks of Advanced Individual Training and on-the-job instruction. You will split this time between the classroom and the field.

Advanced Individual Training: 10 weeks

Some of the skills you'll learn are:
  • Testing methods
  • Use of lab equipment, such as the centrifuge and spectrometer

  • Interest in chemistry and mathematics
  • Ability to follow detailed procedures
  • Interest in performing technical work