Malathion-d7 (dimethyl-d6;3-d1), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352438-94-9

Pentachlorobenzene, 1.2mL x 100ug/mL, nonane

Phosphorous Standards Phosphorus in Light White Mineral Oil, 20Cst Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane

2 alpha,17ß(H),21ß(H)-2-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 138128-29-7