TX TPH Calibration Standard (High End) Back Catalog number: 95155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3739.12-100-ME 2,3,5,6-Tetrachlorobiphenyl, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 33284-54-7 Price on request 675919 Atrazine-2-hydroxy, 100mg Price on request YS23144200CY Custom Chloroparaffin C14-C17 42% Cl, 1000µg/mL in Cyclohexane, 2 x 10ml Price on request