Naphthalene-d8, 1000µg/ml in MeOH, 1ml

Terbumeton, 100 µg/ml, Toluene, 5ml

ß-glucuronidase from ocean-fresh Red Abalone, >100,000 u/ml, 25ml

Vinyl chloride, 5000µg/ml in MeOH,1ml