Greetings All, I am interested in purchasing used Harshaw 8800, 6600, 5500, 4500, or 3500 TLD readers. Please call or email if you a have any available. Thanks, Rob Robert J. Gunter, CHP CHP Consultants rjgunter at chpconsultants.com www.chpconsultants.com www.chpdosimetry.com Tel: +(865) 387-0028 Fax: +(866) 491-9913