Gun Shot Residue Back Catalog number: 52326 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30115 EPA Method 551.1 Performance Check Sol’n Price on request 71956 2-Methyl-1-pentanol Price on request 0313.21-200-T Dibenz[a,h]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 226-36-8 Price on request