EPA Method 524.3 - Internal Standard Back Catalog number: 95488 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8961.21-100-ME 3-Chloro-1,2-propandiol-2-monooleate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 90139 2-Bromo-1-chloropropane (IS) Price on request 3409.10-100-AN Fluometuron Price on request