EPA Method 524 & 624 - Internal Standard Back Catalog number: 19794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0329.16-100-T Pyrene-d10, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1718-52-1 Price on request M312153 1-Methylhistamine Dihydrochloride, 25mg Price on request ACQ-SE05-030 Ethanol standard in serum,0.5g/L,serum, 3mL Price on request