Modifiers matching contaminant:

• gross,
• harmful,
• dangerous,
• invisible,
• airborne,
• several,
• unpleasant,
• viscous,
• greasy,
• refractory,
• environmental,
• organic,
• typical,
• microscopic,
• inorganic,
• natural,
• solid,
• major,
• separate,
• difficult,
• traditional,
• world,
• common,
• fibrous,
• structural,
• dietary,
• polar,
• lipophilic,
• caustic,
• soft,
• waterborne,
• nonmetallic,
• chemical,
• abundant,
• combustible,
• noninfectious,
• stable,
• heavy,
• active,
• endogenous,
• hazardous,
• light,
• siliceous,
• nasty,
• off,
• detrimental,
• minute,
• sticky,
• metal,
• anthropogenic,
• conductive,
• modern,
• additional,
• carcinogenic,
• synthetic,
• loose,
• non-metallic,
• unique,
• meteorological,
• dry,
• radioactive,
• conventional,
• biologic,
• gaseous,
• unhealthy,
• slippery,
• alkaline,
• smaller,
• concrete,
• multiple,
• regulated,
• toxic,
• numerous,
• residual,
• cationic,
• unwanted,
• secondary,
• finer,
• miscellaneous,
• dissolved,
• everyday,
• visible,
• industrial,
• excessive,
• external,
• ic,
• diverse,
• semisolid,
• unbound,
• large,
• local,
• clean,
• unusual,
• usual,
• related,
• suspended,
• ionic,
• unacceptable,
• model,
• irritating,
• single,
• biodegradable,
• damaging,
• particulate,
• microbial,
• up,
• aqueous,
• deadly,
• passive,
• new,
• dermal,
• polymeric,
• unexpected,
• atmospheric,
• animal,
• over,
• lighter,
• acidic,
• biological,
• poisonous,
• outdoor,
• familiar,
• undesirable,
• corrosive,
• experimental,
• removable,
• colloidal,
• interfering,
• charged,
• fluid,
• soluble,
• volatile,
• first,
• potential,
• basic,
• ferromagnetic,
• outside,
• small,
• magnetic,
• unseen,
• fine,
• opaque,
• abrasive,
• inedible,
• lightweight,
• size,
• ordinary,
• deleterious,
• oily,
• ambient,
• carbonaceous,
• ferrous,
• mental,
• out,
• nonpolar,
• conservative,
• domestic,
• physical,
• insoluble,
• exogenous,
• stubborn,
• urban,
• granular,
• anionic,
• mechanical,
• moving,
• salt,
• indoor,
• pure,
• noncombustible,
• harsh,
• unsightly,
• intracellular,
• undesired,
• energetic,
• mobile,
• dense,
• persistent,
• floating,
• extraneous,
• critical,
• metallic,
• hard,
• larger,
• incidental,
• hydrophobic,
• noxious,
• elemental,
• liquid,
• level,
• oleophilic,
• individual,
• hydrophilic,
• tough,
• reactive,
• foreign,
• important,
• molecular,
• surrounding,
• possible,
• heavier,
• key,
• radiological,
• coarse,
• agricultural,
• minor,
• accidental,
• harmless,

Simple categories matching combustible:

• adhesive,
• fabric,
• gas,
• waste,
• chemical,
• item,
• substance,
• liquid,
• metal,
• nature,
• scrap,
• structure,
• space,
• powder,
• surface,
• product,
• material,
• fumes,
• solvent,
• fluid,
• mineral,
• decoration,
• wax,
• filament,
• residue,
• debris,
• fraction,
• component,
• deposit,
• solid,
• fuel,
• wall,
• container,
• sheet,
• dust,
• article,
• fiber,
• foil,
• volatile,
• particle,
• oil,
• hydrocarbon,
• vehicle,
• garbage,
• object,
• compound,
• matter,
• mixture,
• construction,
• contaminant,
• equipment,
• land,
• vegetation,
• rock,