EPA Method 8270 Additional Analytes Back Catalog number: 93678 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0853.30-100-IO Cycloartane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 511-64-8 Price on request 11164.17-K-ME Promazine hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 57205 Boron (B) Price on request