EPA Method 8141 Surrogate Standard Back Catalog number: 92387 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11202.6-50-ME 1D,1D,2H,2H-1-Hydroxyperfluorohexane,50 µg/mL,MeOH,1mL, Price on request 59449 Conductance @ 20°C [1,413 µmho/cm] Price on request 0913.29-100-IO alphaßß (20S,24RS)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request