2,3,3',4,5-Pentachlorobiphenyl

7,8-Dibromo-1,2,3,4,11,11-hexachloro1,4,4a,5,6,7,8,9,10,10a-decahydro-1,4-methanobenzocyclooctane,50 µg/mL ,toluene,1mL,

Thidiazuron, 250mg

2,3,4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,