White Industrial Seismology, Inc. Primary Contact: Randall M Wheeler, MSc, CPG Address: PO Box 1256, Joplin MO 64802 Tel: (800) 641-4538; Fax: (417) 624-9416 E-mail: info@whiteseis.com Web Page: www.whiteseis.com

Established in 1951. The White Mini-Seis is the most rugged, powerful and low cost seismograph available. Coupled with data storage capability up to 340 events, and complimentary Windows data downloading and analysis software, this combination provides unequaled vibration monitoring and analysis capability. We also offer an external printer for the Mini-Seis and communication by cellular modem. With modem access and Auto Call enabled, the Mini-Seis can call you when events are recorded. Software offerings include Compu-Blast for timing analysis and Alpha-Blast for signature analysis/vibration simulations. White is one of the oldest and most experienced blast vibration monitoring companies. We specialize in providing custom monitoring programs, pre-blast surveys and many other blasting related services. High speed access of vibration data over telephone lines or by cellular modem means that we can serve your vibration monitoring needs from nearly anywhere. We can also custom design a monitoring program for you that will save you time and money.