EPA Method 505 Triazines Back Catalog number: 91414 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682966 Surrogate Mix ISO 27065 and ISO 18889, , , 100ml Price on request MBP-159 2,3,3',4,5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 52313 Lanthanum Chloride Modifier (La) Price on request