EPA Method 8330 Analyte Back Catalog number: 82447 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0312.21-200-T Dibenz[a,c]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-62-3 Price on request 9659.8-10MG Indole, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 120-72-9 Price on request 54164 Perchlorate (ClO4-) Price on request