Stephen Tischler

National Testing Laboratories, LLC

National Testing Laboratories is one of the largest independent certified laboratories in the U.S. specializing in the analysis of drinking water for chemical and microbiological contamination. For over 25 years, we have offered a wide range of services for both residential, commercial and government clients. We work commercial clients across the globe in various businesses including bottled water, food companies, public water supplies, engineers/consultants and research laboratories. We are currently certified in over 30 states and U.S. territories under the Safe Drinking Water Act (SDWA). We are also accredited through the National Environmental Laboratory Accreditation Program and have acquired ISO 17025:2005 Accreditation as well. Our highly trained staff follows a thorough Quality Assurance and Quality Control program resulting in quality and legally defensible data. Our technical representatives work with each client to help solve the toughest challenges they face. Technical representatives are highly trained and familiar with complex regulatory requirements and are able to advise clients on the proper testing for individual or company's needs.