Industry Guide to Marketing Container Plants

University-Based Soil Testing and Diagnostic Labs

State Departments of Agriculture

EPA Publications
Agriculture publications Index
Nurseries and Greenhouses (including Worker Protection Standards) publications
Pesticide publications, including WPS, FQPS, and PPE information
WPS- and PPE-specific publications

EPA
Index of EPA topics
Regional offices
State EPA offices
Worker safety and training information, including WPS
Clean Water Act

OSHA
Free, on-site safety and health services consultation for small businesses
Regional offices

State Pesticide Regulatory Agencies & Pesticide Control Officials:
NAPICS
AAPCO