Welcome to the PLM Asbestos Proficiency Testing Website for the National Voluntary Laboratory Accreditation Program (NVLAP) PLM Proficiency Test for Bulk Asbestos Fiber Analysis. This website allows your laboratory to submit test results to RTI using on-line test instructions and reporting forms. Your laboratory's password, which allows you access to this website, was included in the test packet for the R12025 round of the NVLAP PLM Proficiency Test. If you are in need of your laboratory's password, please contact Todd Ennis (jte@rti.org).