EPA Method 525 - Perchlorinates & Phthalates Back Catalog number: 30129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3731.12-100-IO 3,5-Dichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 34883-41-5 Price on request 3103.12-50-IO 2,2',5,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-37-4 Price on request 31026 Bentazon methyl derivative Price on request