EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1019.12-K-IO-X10 n-Dodecane-d26, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 16416-30-1 Price on request 93083 APH Volatile Standard Price on request 682249 4-Bromotoluene, 1000mg Price on request