EPA Method 632 Spike Standard Back Catalog number: 93970 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675651 Pyridalyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 3505.9-100 Terbacil, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 5902-51-2 Price on request 676947 Metazachlor, 10 µg/ml, Cyclohexane, 10ml Price on request