Permits & Licenses

The licenses and permits a waste treatment facility holds, determines the types of wastes that can be accepted and treated at the facility. Broad licenses and permits are necessary to allow the facility to accept and treat a diverse range of wastes.
The NSSI facility is permitted and licensed to accept, treat, and store RCRA hazardous, mixed hazardous/ radioactive and radioactive waste materials.
NSSI operated as an interim status Waste Treatment and Storage facility from 1980 to 1990. NSSI subsequently submitted the required Part B application and received a final Part B permit in October, 1990. Permit modifications are requested on an ongoing basis as new treatment technologies are proven and commercialized and as additional facilities are needed.


EPA ID No. TXD982560294
TCEQ Hazardous Treatment and Storage HW50269
TCEQ Radioactive Waste
Treatment Storage and Disposal
TDSHS Radioactive Materials
Manufacturing & Services
US DOT Hazardous Materials Transportation 219092
TX DOT Hazardous Materials Transportation 000021508C
MC# MC1246039
Houston Fire Department
Hazardous Storage and Use
Houston Fire Department Hazardous Storage 04069921-4166029-h4
Texas State Identification No. 38669
TCEQ Radioactive Waste Treatment Storage & Disposal R01811
Oklahoma HazMat Transportation Permit UPM-00219092-OK
Arkansas Hazardous Waste Transportation Permit H-1812C
Louisiana Solid Waste Permit T-129-14457


The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations. It is an independent, non-governmental organization, the members of which are the standards organizations of the 164 member countries.
The International Organization for Standardization is the world's largest developer of voluntary international standards and facilitates world trade by providing common standards between nations. Over twenty thousand standards have been set covering everything from manufactured products and technology to food safety, agriculture and healthcare.
Use of the standards aids in the creation of products and services that are safe, reliable and of good quality. The standards help businesses increase productivity while minimizing errors and waste. By enabling products from different markets to be directly compared, they facilitate companies in entering new markets and assist in the development of global trade on a fair basis. The standards also serve to safeguard consumers and the end-users of products and services, ensuring that certified products conform to the minimum standards set internationally.

NSSI Certifications

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NSSI Certifications

ISO 9001: 2015 Certified

ISO 9001:2015 sets out the criteria for a quality management system. It can be used by any organization, large or small, regardless of its field of activity. In fact, there are over one million companies and organizations in over 170 countries certified to ISO 9001.
This standard is based on a number of quality management principles including a strong customer focus, the motivation and implication of top management, the process approach and continual improvement. Using ISO 9001:2015 helps ensure that customers get consistent, good quality products and services, which in turn brings many business benefits.

ISO 14001: 2015 Certified

The ISO 14000 family of standards provides practical tools for companies and organizations of all kinds looking to manage their environmental responsibilities.
ISO 14001:2015 specifies the requirements for an environmental management system that an organization can use to enhance its environmental performance. ISO 14001:2015 is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability.

OHSAS 18001: 2017 Certified

OHSAS 18001, Occupational Health and Safety Assessment Series, (officially BS OHSAS 18001) is a British Standard for occupational health and safety management systems. Compliance with it enables organizations to demonstrate that they have a system in place for occupational health and safety. It can help an organization to put in place the policies, procedures and controls needed to achieve the best possible working conditions and workplace health and safety, aligned to internationally recognized best practice.