EPA Method 525 Pesticide Mix #1 Back Catalog number: 31027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9210 O,O,O-Triethylphosphorothioate Price on request 79436 Biphenyl Price on request 0702.13-500-IO 1,2,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 641-91-8 Price on request