Total, Fecal & E. Coli WP STUDY

2,4’-DDE, 1000µg/ml in Hexane, 1ml

2',3,5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-68-5

Laboratory Fortification Standard