EPA Method 8061A Matrix Spike Solution

Thionazin-O-analog, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 7359-55-9

Desacetyl cephapirin sodium salt, 10mg

Di-n-pentyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 358730-89-9