EPA Method 8141/1657 Surrogate Standard Back Catalog number: 92357 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93061 Phenanthrene - 80% Price on request 54107 Bromide (Br-) Price on request HPCB-2004N 4-Hydroxy-3,5-dichlorobiphenyl, 10mg Price on request