EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended LA11457544CY Chloroparaffin C13 55.03% Cl, 10μg/mL in CY, 1ml Price on request TPRP Tri-n-propyl phosphate, 1.2ml x 50ug/ml, toluene Price on request 93112 Aroclor 1254 Price on request