Lead (Pb) Back Catalog number: 57282 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679461 4,4'-DDT, 100 µg/ml, Methanol, 1ml Price on request M324685 1-Methyl-4-nitro-5-thioimidazole, 1g Price on request 93595 EPA Method 8141 Standard Price on request