EPA Method 525 Phenols Mix Plus Back Catalog number: 92803 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1963.12-50-IO 2,2',4,5'-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 243982-82-3 Price on request 79403 Aroclor 1221 Price on request 2106.14-100-ME 1,5-Bis-(4-chlorophenyl)-biguanide HCl, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 13590-98-2 Price on request