EPA Method 8141 Standard Back Catalog number: 93543 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CNLM-8150-1.2 Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml Price on request 59784 Lead (Pb) Price on request 2341.10-K-HX sec-Butylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 135-98-8 Price on request