We need improved ability to treat mixed contaminants of concern (COCs) in groundwater contaminated by perfluorinated chemicals, perchlorate, chlorinated organic solvents, and 1,4-dioxane.
Based on the high diversity of aDNAs (Table S3), the likelihood that they were from contaminants of several persons or cross-contamination was very low.
Nanoparticles are emerging contaminants of concern.
Nanomaterials such as TiO2-NP are worrying emerging contaminants of terrestrial ecosystem.
Herbicidal s-triazines are widespread contaminants of surface waters.
Inorganic contaminants of major concern include arsenic, nitrate, fluoride, and toxic metals such as lead and mercury.
Reports suggest that Iran's petrol contains ten times the level of contaminants of imported petrol and its diesel 800 times the international standard for sulphur.
"Quarantine officers are trained in procedures to inspect imported cut flowers for pests, disease symptoms and contaminants of biosecurity concern," he said.
Benzene, toluene, ethyl benzene and xylenes (BTEX) were the contaminants of concern in both case studies.
We provide estimates for the purification of significant contaminants of interest.
Cadmium (Cd) and zinc (Zn) are very common contaminants of urban, industrial and agricultural soils.
