EPA Method 524 & 624 - Internal Standard Back Catalog number: 19494 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CPA RD0320101 Phthalate Mix, 18 comp., 1000µg/ml in MeOH, 5ml Price on request 19173 CLP Program - Acid Matrix Spike Solution Price on request 1651.12-100-IO 1,1,1,3-Tetrachlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14983-60-9 Price on request