Johnny, try Bob Emery, Univ. of Texas - Houston, (713) 792-8570, FAX (713) 792-2315 (no e-mail address at this time). Bob will probably know the contact. Have a good one. Bob Wilson, RSO (bmw.hsafety@mhs.unc.edu) Univ. of North Carolina Health and Safety Office 212 Finley Golf Course Road Chapel Hill, NC 27514 (919) 962-5725 FAX: (919) 962-0227