Astec

Please contact Supelco for Ordering/Customer Service:

Supelco/Sigma-Aldrich
595 N. Harrison Road
Bellefonte, PA 16823-0048

Tel: (814)-359-3441
Toll-free: 800-247-6628

Fax: (814)-359-5459
Toll-free Fax: 800-325-5052

For technical support and method development requests, please contact techservice@sial.com.

World-Wide Offices

Order Processing:	Phone: 800-247-6628 814-359-3441	FAX: 800-447-3044 814-359-5459	email: supelco@sial.com
Technical Service:	Phone: 800-359-3041 814-359-3041	FAX: 800-359-3044 814-359-5458	email: techservice@sial.com
For US only. All other countries, contact your local Sigma-Aldrich office or distributor.