EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0858.27-100-IO C27 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10ß(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 98819-92-2 / 98819-91-1 Price on request 675235 Fludioxonil, 100 µg/ml, Acetonitrile, 5ml Price on request 58081 Thallium (Tl) Price on request