Copper - 20 PPM

EPA 506Laboratory Performance Test 7 Analytes each concentration as listed in methanol; units: 5x1mL, 1x5mL 1225.12 Diethyl phthalate DEP [84-66-2] 100µL/mL 1228.22 Bis(2-ethylhexyl) adipate BEHA

PCB No. 189, 10µg/ml in Isooctane, 10ml

4-Amino-3-fluorophenol,100 µg/mL,acetonitrile,1mL,