EPA Method 531.1 Individual Analytes Back Catalog number: 30041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8990.11-25MG 8-Bromo-1-naphthoic acid, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 1729-99-3 Price on request 0987.29-10-IO 1,2-d2 Isoadiantane, 10µg/ml in Isooctne, 1ml Price on request 66188 2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Price on request