- American Association of Pharmaceutical Scientists
- American Chemical Society
- AOAC Home Page
- ASTM Home Page
- CDMS Pesticide MSDS
- Chemical Producers & Distributors Association
- CropLife America
- EXTOXNET Toxicology
- IR-4 Home Page
- ISO 17025 Accreditation Bodies and Information
- Keller & Heckman Home Page
- Nelac Institute
- Monsanto’s ag Biotechnology Page
- National Pesticide Information Center
- Parenteral Drug Association
- Pesticide Active Ingredient Information
- Regsource – Regulatory Resources
- SQA Home Page
- Toxicology Data Network
- U. of Akron Chemical Database