EPA Method 507Mix #8, 100µg/ml in Aetone, 1ml

Ethanol standard in serum,0.5g/L,serum, 1.5mL

N,N-Dimethylguanidine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 6145-42-2

4,4'-Difluorobenzophenone, 100mg