metals (extraction or smelting), oils and fats, paints, pigments, enamels, japans, lacquers, putty, varnishes , whiting and wood fillers, paper pulp and cellulose, paraffin and wax, petroleum and petroleum products (refining), hazardous materials, hazardous substances, or
Read it in the chapter →How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only La Mesa’s own text settles what this covers.