25-Hydroxyvitamin D3-d6 (Dimethyl 26,27-d6), 50µg/ml in MeOH, 1ml

EPA O-FID Spiking Solution 4 Analytes, each Wt.% as listed; units: 1x5ml, 5x5ml neat Name Wt.% Name Wt.% Methanol 14.3 tert-Butanol 14.3 Ethanol 28.6Meth

Parathion-ethyl, 100 µg/ml, Cyclohexane, 1ml

4,5,7,8,9,10,11,12-Octahydrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 73712-70-6