Tom Olson; 802-775-1650
St. Lawrence Testing & Inspection Co., Ltd., Attn: Gib McIntee, Box 997, 814 Second St. W., Cornwall, Ontario, Canada K6H5V1; 613-938-2521 t.; 613-938-7395 f; Email
Wiss Janney Elstner Associates
330 Pfingsten Road, Northbrook, Illinois 60062; 847-272-7400; Contact: Bernie Wonneberger
PRI Construction Materials Technologies, LLC., 6408 Badger Drive, Tampa, FL 33610; ph: 813-621-5777; Contact: Don Portfolio. PRI is a testing lab which is Dade County (FL) approved as well as ICC approved to test building materials. We have tested slate in the past and our analysis and certificate of analysis has led to a Dade County approval of the product. [NSA Note: Dade
