EPA Method 8310 Surrogate Standard Back Catalog number: 94123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4502-50-25IO Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request PFODA Perfluoro-n-octadecanoic acid, 1.2ml x 50ug/ml, methanol Price on request 684343 Cannabidiolic acid, 10.0 µg/ml, Methanol, 1ml Price on request