(a) Licensees must comply with all applicable provisions of the Texas Agriculture Code and the Texas Department of Agriculture's administrative rules, Title 4, Part 1.
(b) Representative samples of all processed products must be tested for the levels of tetrahydrocannabinol and cannabidiol, and for residual solvents, pesticides, fungicides, fertilizers, mold, and heavy metals, in accordance with applicable provisions of the Texas Agriculture Code and Texas Department of Agriculture's administrative rules, Title 4, Part 1, and Code of Federal Regulations, Title 16, Part 1107.
(c) Only pesticides of minimum risk exempted under the Federal Insecticide, Fungicide, and Rodenticide Act, 7 USC §136, may be used on cannabis. The pesticide's active ingredients may only be those listed in 40 CFR §152.25(f)(1). The pesticide's inert ingredients may only be those that listed in 40 CFR §152.25(f)(2); commonly consumed food commodities, animal feed items, and edible fats and oils as provided in 40 CFR §180.950(a),(b) and (c); and chemical substances listed in 40 CFR §180.950(e). All pesticide ingredients (both active and inert) must be listed on the pesticide container's label. The active ingredient(s) must be listed by label display name and percentage by weight. Each inert ingredient must be listed by label display name. The product may not bear claims to control or mitigate organisms that pose a threat to human health, or insects or rodents carrying specific diseases. The name of the producer or the company for whom the product was produced and the company's contact information must be displayed prominently on the product label. The label cannot include any false or misleading statements. The label must comply with the Texas Department of Agriculture's administrative rule, 4 TAC §7.11, relating to Label Requirements.
(d) All facilities must be inspected and approved for their use by a local fire code official, or by the state fire marshal or local designee of the state fire marshal, and must meet any required fire, safety, and building code requirements specified in:
  (1) National Fire Protection Association (NFPA) standards;
  (2) International Building Code (IBC);
  (3) International Fire Code (IFC);
  (4) Texas Department of Insurance administrative rules, 28 TAC Chapter 34, concerning State Fire Marshal; and
  (5) Other applicable standards including following all applicable fire, safety, and building codes in processing and the handling and storage of the solvent or gas.
(e) Licensees must provide certification by a Texas licensed professional engineer that the extraction system to be used to produce low-THC cannabis products was commercially manufactured, safe for its intended use, and built to codes of recognized and generally accepted good engineering practices, such as:
  (1) The American Society of Mechanical Engineers (ASME);
  (2) American National Standards Institute (ANSI);
  (3) Underwriters Laboratories (UL); or
  (4) The American Society for Testing and Materials (ASTM).
(f) The extraction process must be continuously staffed during operations by a registered employee trained in the extraction process, the transfer of LP-gas where applicable, and all emergency procedures. All staff training records shall be maintained on-site and made available upon request by the department or local law enforcement or regulatory official.
(g) The installation, operation, repair and maintenance of electrical systems, devices, and components shall conform to the National Electrical Code, NFPA 70 as adopted by the Texas Department of Licensing and Regulation. All electrical components within the extraction room shall be interlocked with the hazardous exhaust system and when provided, the gas detection system. When the hazardous exhaust system is not operational, or the gas detection system is activated, light switches and electrical outlets shall be disabled while leaving lights on that are necessary for evacuation. The electrical systems shall include:
  (1) Extraction room lighting;
  (2) Extraction room ventilation system;
  (3) Solvent gas detection system;
  (4) Emergency alarm systems;
  (5) Automatic fire extinguishing systems;
  (6) Vent failure alarm system; and
  (7) Emergency power backup system.
(h) For extraction processes utilizing gaseous hydrocarbon-based solvents, a continuous gas detection system shall be provided. The gas detection threshold shall be no greater than 10% of the LEL/LFL limit of the materials.
(i) Signs shall be posted at the entrance to each production area using or storing carbon dioxide, indicating the hazard. Signs shall be durable and permanent in nature and not less than 7 inches wide by 10 inches tall. Signs shall bear the "skull and crossbones" emblem with the warning "DANGER! POTENTIAL OXYGEN DEFICIENT ATMOSPHERE". NFPA 704 signage shall be provided at the building main entry and the rooms where the carbon dioxide is used and stored. The main entrance to the facility and any door to a room where storage, transfer or use of hazardous materials is conducted shall be appropriately posted with markings in accordance with NFPA 704, Standard System for the Identification of the Hazards of Materials for Emergency Response.
(j) Mechanical ventilation within an extraction or processing facility shall be in accordance with the applicable local ordinances or the appropriate NFPA standard as adopted by the State Fire Marshal's Office if no applicable local ordinance exists, and shall have:
  (1) Mechanical ventilation in the room or area of rate of not less than 1 cubic foot per minute per square foot;
  (2) Exhaust system intake from a point within 12 inches of the floor; and
  (3) Ventilation operating at a negative pressure in relation to the surrounding area.
(k) Any liquid extraction process using flammable and combustible liquids in which the liquid is boiled, distilled, or evaporated must operate in compliance with this section and NFPA 30 as adopted by the State Fire Marshal's Office.
(l) Any processing equipment using a flammable or combustible vapor or liquid must meet the requirements of NFPA 30 and NRPA 70. Such equipment shall be located within a hazardous exhaust fume hood, rated for exhausting flammable vapors. Electrical equipment used within the hazardous exhaust fume hood shall be rated for use in flammable atmospheres. Heating of flammable or combustible liquids over an open flame is prohibited, with the exception that the use of a heating element not rated for flammable atmospheres may be used where documentation from the manufacturer or a nationally recognized testing laboratory indicates it is rated for heating of flammable liquids.
(m) Product extraction processes may use only potable water in compliance with Code of Federal Regulations, Title 40, Part 141.
(n) All regulated premises shall be located at least 1000 feet from any private or public school or day care center that existed prior to the date of initial license application, measured from the closest points on the respective property lines.
(o) All final packaging for patient consumption must be in child-resistant packaging designed or constructed to be significantly difficult for children under five (5) years of age to open and not difficult for normal adults to use properly as defined by the most current version of the Code of Federal Regulations, Title 16, Part 1700 and Title 40, Part 157.2 and American Society for Testing and Materials (ASTM) D3475-15, Standard Classification of Child-Resistant Packages, ASTM International, West Conshohocken, PA, 2015.
(p) All final packaging labels must include:
  (1) Physician's name;
  (2) Patient's name;
  (3) Dispensing organization's name, state license number, telephone number, and mailing address;
  (4) Dosage prescribed and means of administration;
  (5) Date the dispensing organization packaged the contents;
  (6) Batch number, sequential serial number, and bar code when used, to identify the batch associated with manufacturing and processing;
  (7) Potency of the low-THC cannabis product contained in the package, including the levels of tetrahydrocannabinol and cannabidiol;
  (8) Statement that the product has been tested for contaminants with specific indications of all findings, and the date of testing in accordance with Code of Federal Regulations, Title 16, Part 1107; and
  (9) Statement that the product is for medical use only and is intended for the exclusive use of the patient to whom it is prescribed. This statement should be in bold print.
(q) The dispensed product may contain no more than 0.5% by weight of tetrahydrocannabinols and not less than 10% by weight of cannabidiol.
(r) The storage, transfer, and use of LP- Gas shall conform to the regulations of the Texas Railroad Commission, including but not limited to NFPA 58, LP Gas Code (as amended) and the adopted standards of the State Fire Marshal's Office.
(s) The storage, use and handling of liquid carbon dioxide shall be in accordance with Chapter 13 of NFPA 55.

Source Note: The provisions of this §12.7 adopted to be effective January 10, 2016, 41 TexReg 490; amended to be effective March 15, 2017, 42 TexReg 1139