Match the chemical agent with the acute health effect. (match) Irritant Allergen Asphyxiant (chemical) Anesthetic Asphyxiant (simple) Carbon monoxide mold spores trichloroethylene (TCE) Sodium Hydroxide (NaOH) Carbon dioxide (CO2) Irritant 1 . Carbon monoxide Allergen 2 . mold spores Asphyxiant (chemical) 3 . trichloroethylene (TCE) Anesthetic 4 . Sodium Hydroxide (NaOH) Asphyxiant (simple) 5 . Carbon dioxide (CO2).