PCB No. 170, 100µg/ml in Cyclohexane, 5ml

2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid hydrate (contains 5-10% isopropyl alcohol), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4065-45-6

EPA Method 8250/8250A Cal Check Cmpds Acids

Profenophos, 1000µg/ml in MeOH, 1ml