Ethanol in serum control EtOH SE (4.0g/L), 10x3ml

Tris(4-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Bis-(2-chloroethoxy)-methane, 100 ng/µl, 1ml

Theobromine, 100µg/ml in MeOH, 5ml