EPA Method 524 & 624 - Internal Standard Back Catalog number: 19494 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10344.10-100MG (1R,5R)-(+)-alpha-Pinene, 99+% Price on request NK-ST-A Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request MBP-79 3,3',4,5'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request