Mold remediation services; Bio-hazard and biological decontamination and sterilization services; Bioremediation; Environmental remediation services, namely, treatment of soil, hazardous and medical waste, structures, and water for the prevention, mitigation and remediation of biological, chemical, radiological and nuclear contamination, and consultation services in the aforementioned fields; Environmental remediation services, namely, decontamination of nuclear, hazardous and medical waste, crop and soil fumigation, and consultation services in the aforementioned fields; decontamination of hazardous materials, mold remediation, sterilization of water, waste water, process water and residual waters, medical devices, laboratory and other non-food equipment, bioremediation, and the treatment of food and for preservation of food all through the application of chlorine dioxide and other chemical reagents and consultation services in the aforementioned fields; Water treatment services; Waste water reprocessing and treatment services; consultation services in the field of decontamination of hazardous materials and nuclear, radiological, biological, chemical, and viral contamination, mold remediation services, water and wastewater treatment; Hazardous materials emergency response remediation services, namely, containment, sterilization and decontamination of hazardous materials, and consultation services in the aforementioned fields; Sterilization services in the field of medical equipment and facilities, and consultation services in the aforementioned fields; Decontamination services in the field of housing, healthcare, pharmaceutical, office building, restaurants, and public or private facilities that have nuclear, radiological, biological, chemical, or viral contamination; Providing technical information in the aforementioned fields