EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0264.20-100-ME Benzo[j]fluoranthene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 205-82-3 Price on request 2518.7-100MG Theophylline,neat,neat,100mg, Price on request 35254 Bromoacetic acid Price on request