useful Links Northwest Technical Services Inc. A customer focused company offering sales, service and calibration of quality control equipment for asphalt, concrete, and geotechnical industries. Visit The National Institute of Standards and Technology develops technologies, measurement methods and standards that help U.S. companies compete in the global marketplace. Visit NRC's primary mission is to protect the public health and safety, and the environment from the effects of radiation from nuclear reactors, materials, and waste facilities. Visit Two market leaders in the construction industry have become one. InstroTek, Inc. and CPN International have joined forces to bring you the most innovative products and services at home and abroad. Visit The Radioactive Materials Section regulates radioactive materials licensees throughout the state of Washington. Visit