EPA Method 524.3 - Internal Standard Back Catalog number: 95488 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72198 L-Lysine Price on request 1663.12-100-IO 1,12-Dichlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3922-28-9 Price on request 0373.14-100MG 9-Methylacridine, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 611-64-3 Price on request