Noxious Is Harmful

Definition of noxious from Merriam Webster: "physically harmful or destructive to living beings noxious waste noxious fumes." Some of the synonyms of noxious: poisonous, toxic, deadly, harmful, dangerous, pernicious, damaging, and destructive.
Glad there's a reporter there in Crosby, Texas to question such an obvious divergent technique from this chemical company spokesman.