Babcock Laboratories, Inc. (historically known as ESB) is one of the premier facilities in California for analytical testing. Our California environmental testing laboratories are located in Riverside, California, the heart of the Inland Empire. This prime location offers a convenient solution to government and corporate clients as well as individual property owners. We provide testing for beverage and food products, drinking water, wastewater, groundwater, stormwater, and hazardous materials. Perchlorate testing, Low-Level Hexavalent Chromium testing, NDMA testing, UCMR 3 testing, and Field Sampling are just a few of the services we specialize in.