EPA Method 502/524 VOC Mix #4

1-Butanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 109-79-5

Diniconazole, 100 µg/ml, Acetonitrile, 5ml

EN 15721 Internal Standard Stock Solution, procedure A 1382.2 Ethanol 8mL Pentanol-3 80µL (Gives a concentration of approx. 8mg/mL)