Urethane, 1000µg/ml in MeOH, 1ml

2,2',3,4,4',6'-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Ethanol standard in water,0.8g/L,water, 3mL

n-C30/n-C20, n-Triacontane/n-Eicosane (Integration control) 1000 µg n-Triacontane and 2000 µg n-Eicosane in 1mL isooctane n-Triacontane/n-Eicosane = 1:2