Medical Marijuana Heavy Metals Back Catalog number: 55213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57134 Selenium (Se) Price on request 2916.14-100 Acetochlor-d11 (2-ethyl-6-methylphenyl-d11), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1189897-44-6 Price on request 84422 EPA Method 8240A Mix #2 Price on request