EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83541 1,4-Benzoquinone-DNPH (mono) Price on request 3029.8-100-ME trans-2-Octene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 13389-42-9 Price on request 11923.17-100-ME Bumetanide,100 µg/mL,MeOH,1mL, Price on request