The codes below display in the CL: Classification field.

To search by classification code for records on general environmental engineering, enter

cl=EE 10

EE 10 General Environmental Engineering
EE 20 Air Pollution: Monitoring, Control & Remediation
EE 30 Soil Pollution: Monitoring, Control & Remediation
EE 40 Water Pollution: Monitoring, Control & Remediation
EE 50 Water & Wastewater Treatment
EE 60 Waste Management