Leptophos, 100 µg/ml, Ethyl acetate, 5ml

Phorate-sulfone, 100 µg/ml, Acetonitrile, 1ml

Diindeno[4,3,2,1-cdef;1',2',3'-hi]chrysene,neat,neat,ca. 0.1mg,

EPA Method 507/525 Analyte Mix #6