EPA Method 8310 Surrogate Standard Back Catalog number: 94123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71359 Unleaded Gasoline 93 Octane - MTBE Price on request 72335 Tri(propylene glycol)methyl ether Price on request 50679 L(+)Lactic acid (C3H6O3) Price on request