EPA Method 8021B Internal Standard Back Catalog number: 19394 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66136 2,2',3,3',6,6'-Hexachlorobiphenyl (136) Price on request 675893 Flumioxazin, 100mg Price on request 678195 Bilanafos sodium salt, 100 µg/ml, Methanol, 1ml Price on request