It shall be unlawful for any person, firm or corporation to use any material in the manufacture of shoddy or cause the same to be used unless such material shall first be disinfected by formaldehyde gas under pressure of at least 50 pounds or steam of at least 320° Fahrenheit, in an air-tight room or chamber.
All machinery used in the manufacture of shoddy and all factories, warehouses, stores or other buildings or enclosures wherein shoddy is manufactured, produced or stored, or sold or exposed for sale, and every factory, warehouse, store or other building or enclosure wherein the raw materials used in the manufacture of shoddy are collected, stored, sold or exposed for sale, shall be at all times subject to the inspection of the Department of Public Health or the officers thereof.
No person, firm or corporation shall hereafter establish or maintain any factory, store or warehouse for the manufacture, sale or storing of shoddy without first applying to and obtaining from the Director of Public Health a permit to establish and maintain the same.
All shoddy manufactured without the City and County of San Francisco and brought within the said City and County shall, before being sold or exposed for sale or stored in any factory, warehouse, storeroom or enclosure in this city and county, be disinfected by formaldehyde gas, under pressure of at least 50 pounds, or steam of at least 320Fahrenheit, in an air-tight room or chamber.