| The authors could not rule out presence of a pharmacologically active contaminant that may have contributed to the patient's condition. |
| Because the waterways are located in the lower levels of a catchment basin, they are likely to receive contaminant residues from higher areas. |
| The plywood must then be suitably secured, bonded and prepared to a contaminant free and sound condition. |
| The fungus is a common soil contaminant being excreted in feces of several birds particularly pigeons. |
| It is a widely distributed contaminant in atmospheric environment. |
| A global pollutant of most aquatic systems, nitrate has the potential to be an endocrine disrupting contaminant. |
