EPA Method 548 Analyte Back Catalog number: 30048 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675897 Naled, 250mg Price on request 1340.12-100-T 4-Nitrobiphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 92-93-3 Price on request S-4444-2.5 Mixed Alcohols, Butanol/Methanol (63:37) Price on request