P.O. Box 4313
Baton Rouge, LA 70821-4313
Office of Environmental Services
Treadaway received a Bachelor of Science in Biochemistry and a Bachelor of Science in Chemical Engineering from Louisiana State University. She has worked in the Air Permits Division at DEQ for more than 10 years and was recently appointed Assistant Secretary.
Organization and Functions
The Office of Environmental Services is divided into four divisions:
Nolan received her Bachelor of Science in Biology from Louisiana College and a Master of Science in Biology from Northeast Louisiana University. She was appointed to serve as the Administrator for the Air Permit Division in 2005. Prior to her appointment, she worked in air enforcement and water permitting and enforcement with the department. She has been with the DEQ for more than 15 years. Prior to this appointment, Nolan served as Assistant Secretary for the Office of Environmental Services
Function: To ensure the protection of air quality by issuing permits and standards protective of human health and the environment.
- Air Permits
- Air Permits Procedures and Guidance
- Emission Reduction Credits (ERC) Banking
- Air Permit Data Upload (APDU)
- State Implementation Plan
- Stack Testing
- Air Dispersion Modeling
- Air Toxics and Criteria Pollutant Emission Inventories
Function: To ensure the protection of water quality by issuing permits and standards protective of human health and the environment.
Guilliams has been with DEQ for 21 years and has served in many different positions. Heworked in hazardous waste surveillance and permitting, as well as UST registrations, solid waste permitting and industrial water permitting. He has a Bachelor of Science in Zoology from LSU and recently served as the manager of the Industrial Water Permits section. Guilliams is now serving as administrator of the Water Permits Division.
- Biosolids Permits
- Industrial Water Permits
- Municipal and General Water Permits
- Water Quality Modeling
- Water Quality Standards and Assessment
Lewis "Dutch" Donlon
Function: To ensure protection of the soil and groundwater resources by issuing permits and standards that are protective of human health and the environment.
Donlon received a B.S. in Geology from the University of Southwestern Louisiana in 1985. Afterworking four years in petroleumexploration in Lafayette, Louisiana, he began his career in environmental geology in 1989 with the LDEQ, Groundwater Protection Division.
Solid and Hazardous Waste Permitting and Construction
Public Participation and Permit Support Division
Iturralde received a Bachelor of Science Degree in Microbiology from Louisiana State University and received a Master of Science Degree in Microbiology from Texas A&M University. She has been employed with DEQ since 1990. She has more than 20 years in the Enforcement Division of DEQ in various positions, including supervisor, manager, and administrator. Iturralde was promoted to Enforcement Administrator in March 2008 and in September 2010 was moved to administrator in the Public Participation and Permit Support Services Division.
Function: To facilitate public participation and provide administrative, database, certifications, accreditations and notifications support to the media-based permits division.
Administrative Completeness of Applications
Questions about Applications
Change of Names
TEMPO Masterfile Maintenance
Standards Requirement Library
TEMPO Reference Tables
Registering of Solid Waste Transporters and Generators
RCRA Info Database
Annual Hazardous Waste Reports
Asbestos and Lead Accreditations
Asbestos and Lead Training Providers
Asbestos Notifications for Demolition and Renovations
Asbestos Disposal Verification Forms (ADVFs)
Lead Project Notifications
Lead letters of approval for contractors
Louisiana Environmental Lab Accreditation Program
The mission of the environmental services program is to ensure that the citizens have a clean and healthy environment to live and work in for present and future generations. This will be accomplished by regulating pollution sources, providing permitting activities consistent with laws and regulations, providing interface between the department and businesses and customers, providing permit support services and improved public participation The permitting activity will provide single entry/contact point for permitting, including a multi-media team approach; improved permit tracking; and the ability to focus on applications with highest potential for environmental impact.