National Testing Laboratories, Ltd. will strive to supply our customers with information to allow them to make educated decisions to protect themselves and others around them. National Testing Laboratories, Ltd. will provide validated results in a manner that responds to the needs of our customer while developing new skills and technology to meet the demand of future markets.

National Testing Laboratories (NTL) is one of the largest independent laboratories in the U.S specializing in the analysis of drinking water for chemical and microbiological contamination. Since 1985, NTL have offered a wide range of services for residential and commercial customers.

NTL performs analysis according to USEPA and Standard Methods to meet state compliance in addition to performing informational tests for quality control purposes. NTL hold certifications in many States across the country so that we can provide regulatory testing to meet customers’ needs. NTL successfully participates in the USEPA Proficiency Testing Program and NTL laboratory management system is ISO 17025 accredited.