Standards are packaged in purge-and-trap-grade methanol at the stated concentrations in a 1 mL ampoule.

• Mixture contains 500 µg/mL Benzene, 500 µg/mL Ethylbenzene, 500 µg/mL Heptane, 1500 µg/mL 2-Methylpentane, 1500 µg/mL Toluene, 1000 µg/mL 1,2,4-Trimethylpentane, 1500 µg/mL 2,2,4-Trimethylpentane, 1000 µg/mL m-Xylene, and 1000 µg/mL o-Xylene

Each standard includes an ampoule breaker, deactivated amber screw-top vial, extra product label, Certificate of Analysis, and Material Safety Data Sheet (MSDS).