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Unleaded gasoline composite standards are comprised of three separate sources each of 87, 89, and 93 octane blended in equal portions.
Gasoline standards may exhibit lot-to-lot variation.
Note: BTEX content of catalog numbers 30081, 30205, and 30206 is not measured. Certified BTEX gasoline standards are available as catalog numbers 30237 and 30485.
Reference standards shipped after December 31, 2023, will no longer include paper hard copies of certificates of analysis (CofAs). Access your CofA online at www.restek.com/documentation