Chemistry is not often associated with electric delivery, but it plays a vital role in Oncor’s commitment to providing safe, reliable electric service to more than 10 million homes and businesses across Texas. 🧪 👩‍🔬 Our South Dallas laboratory is home to a team of chemists and is ground zero for a wide range of tests that measure hard-to-pronounce compounds like polychlorinated biphenyls and simpler ones like dissolved gas and oil. Through analyzed data, Oncor chemists gain valuable insight i