EPA Method 8270C Pesticide Mix #6 Back Catalog number: 91007 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MOPCB-4009S 4-Methoxy-2',3,5,5'-tetrachlorobiphenyl, 100µg/ml in IO, 1ml Price on request 71330 Ethylcyclopentane Price on request 677142 Cephapirin benzathine, 100mg Price on request