EPA Method 300.0 Anions QC Standard Back Catalog number: 50332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended B2729 4,4'-Bis(2-benzoxazolyl)stilbene, >97%, 25g Price on request 3732.12-100-IO 4,4'-Dichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2050-68-2 Price on request 79183 Benzyl butyl phthalate Price on request