Common Anions EPA 300A Mix Back Catalog number: 59393 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19112 EPA Method 624 Surrogate Standard Price on request 2781.9-100-CY Fenitrothion, 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 122-14-5 Price on request 79100 Aroclor 1254 Price on request