Ensure state and accreditation regulation compliance with proficiency testing
Four studies per year without order deadlines
Convenient online reporting with PT Datalink
Each test includes all analytes required by the TNI Non-Potable Water (NPW) fields of testing
ISO 17043 accredited
Use the NSI proficiency testing (PT) studies to help improve quality and comply with regulations. There are no limits on the number of analysts or number of methods that you may report. Receive your final reports within 21 days of the study close date.
These environmental chemistry wastewater proficiency tests are designed for identification of target chemicals in wastewater.
If you have an immediate need for proficiency test results, PT Express™, our on-demand proficiency testing is available year-round. Call us at 1-800-234-7387 to place your order.