Category Nuances matching contamination:

• light,
• airborne,
• minor,
• regular,
• external,
• interfering,
• regulated,
• insoluble,
• toxic,
• environmental,
• organic,
• loose,
• particulate,
• physical,
• liquid,
• potential,
• soft,
• metal,
• chemical,
• deleterious,
• cross,
• off,
• nonpolar,
• hydrophilic,
• polar,
• up,
• charged,
• undesired,
• inert,
• metallic,
• unwanted,
• molecular,
• biological,
• visible,
• atmospheric,
• natural,
• hazardous,
• industrial,
• high,
• possible,
• residual,
• heavy,
• solid,
• gross,
• gaseous,
• fecal,
• inorganic,
• colloidal,
• salt,
• common,
• basic,
• heavier,
• penetrating,
• harmful,
• volatile,
• internal,
• fragile,
• extraneous,
• active,
• irritating,
• fluid,
• microbial,
• incidental,
• animal,
• alkaline,
• overhead,
• foreign,

Members for simple category contamination:

• dust,
• nicotine,
• particle,
• test_dust,
• dirt,
• water,
• seawater,
• garbage,
• surface_staining,
• sulfate,
• oil,
• arsenic,
• organic_material,
• foreign_chemical,
• fat,
• colophony,
• water_contamination,
• animal_manure,
• light_grease,
• pesticide,
• insecticide,
• urine,
• reflector_material,
• detritus,
• sand,
• cement_dust,
• copper_contamination,
• petroleum_product,
• chloroform,
• toxic_mold,
• wet_paint,
• grease,
• gas,
• stain,
• petroleum_crude,
• skin,
• acid,
• ketone,
• hydrocarbon,
• co,
• pollutant,
• bauxite_ore,
• surface_dirt,
• photo_lacquer,
• organic_pollutant,
• phosphate,
• color,
• airborne_ammonia,
• fiber,
• carbon,
• carbon_compound,
• smoke,
• resin,
• potable_water,
• faeces,
• preservative,
• distortion_product,
• crib,
• illegal_pesticide,
• clothing_fiber,
• bitumen,
• smoke_stain,
• cardboard,
• mold,
• oxide,
• rosin_flux,
• foam,
• heavy_soil,
• sewage,
• ammonia,
• shop_soil,
• rosin,
• grit,
• heavy_oil,
• polycrystalline_silicon,
• chemical_stain,
• rainwater,
• trash,
• fluoride,
• hydrogen_sulphide,
• lead_contamination,
• bird_excreta,
• subsurface_contamination,
• clay,
• pigment,
• visible_dust,
• mud,
• dna_impurity,
• gum,
• debris,
• dioxin,
• lower_ketone,
• concrete_dust,
• silt,
• chloride,
• brake_dust,
• industrial_waste,
• windblown_dust,
• wax,
• soil_contamination,
• sea_water,
• slush,
• agricultural_fertilizer,
• spray_powder,
• fibrin,
• iron_filling,
• explosive,
• spray,
• methane,
• acid_gas,
• air_contaminant,
• sealer,
• pollution,
• paper_particle,
• coke_dust,
• river_water,
• chemical_contamination,
• mammalian_excreta,
• light_oil,
• brick_dust,
• cu,
• particle_contamination,
• limonene,
• chemical,
• adhesive,
• nitrate,
• wafer_carrier,
• lint,
• shop_dust,
• mud_silt,
• milk_soil,
• polymer,
• organic_compound,
• smog,
• furane,
• manure,
• organic_molecule,
• asbestos,
• small_stone,
• cellulose_fibre,
• rain,
• road_fumes,
• black_tar,
• salt_water,
• mine_waste,
• stone,
• toluene,
• paint,
• tobacco_smoke,
• waste,
• wood,
• glue,
• feces,
• metal_grits,
• carbonyl_sulfide,
• hazardous_waste,
• quartz,
• petroleum,
• soil,
• skin_particle,
• bones,
• waste_petroleum,
• gasoline,
• salt,
• breakdown_product,
• metal_particle,
• amine,
• rubber,
• triazine,
• asphalt,
• wool_fibre,
• asbestos_fiber,
• particulate,
• coolant_spray,
• wastewater,
• copper,
• water_stain,
• fumes,
• leaf,
• silver,
• aldehyde,
• filler,
• carbon_contamination,
• pet_waste,
• sulphate,
• radon_gas,
• cotton_dust,
• petrol,
• animal_waste,
• dust_particle,
• silver_skin,
• bone,
• buffing_compound,
• paper,
• benzene,
• ground-water_pollution,
• bat_guano,
• sumac,