13C LABELED PCB MIXTURE PCBS-77/101/141/178 10UG/ML IN NONANE

Alachlor OA, 10mg

2,4-Dimethylolphenol, neat, Solvent-neat, Unit 500mg, # of units-, Cas.no. 2937-60-2

EPA Method 507/8085 Pesticide Mix #1