EPA Method 1667 Analytes Back Catalog number: 82451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677213 Pyraclostrobin, 100 µg/ml, Cyclohexane, 1ml Price on request 9190.7-100-ME Theophylline-d6 (dimethyl-d6), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 11790-39-8 Price on request 92295 Ethylene glycol Price on request