EPA Method 624 Surrogate Standard Back Catalog number: 19112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0221.24-200-T Benzo[b]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 197-70-6 Price on request 71883 4-Methyl-2-heptanone Price on request 1392.30-100-IO 3 alpha(H),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28196-47-6 Price on request
