Louisiana Administrative Code Title 33 - ENVIRONMENTAL QUALITY
Here’s a detailed overview of Title 33 – Environmental Quality in the Louisiana Administrative Code:
📂 Title 33 Structure & Parts
Title 33 is divided into several major parts that regulate various environmental quality topics:
Part I – Office of the Secretary: Covers administrative procedures, public notification of contamination, laboratory accreditation, emergency response, public records, uprisings and penalties (doa.la.gov)
Part III – Air Quality: Extensive chapters including general provisions, air permits, fees, ambient air standards, particulate matter, toxic air, asbestos, lead‑paint control, odor, CO, NOₓ, SO₂, emission credits, and emergency episodes
Part V – Hazardous Waste & Materials: Establishes hazardous waste management, release reporting (Tier II inventory), facility requirements, groundwater protection, and permit requirements (lsp.org)
Part VI – Inactive & Abandoned Sites: Rules for remediation of hazardous and abandoned sites (deq.louisiana.gov)
Part VII – Solid Waste: Regulations for landfills, post-closure care, corrective action, CCR (coal combustion residuals), recycling, and interim measures (doa.la.gov)
Part IX – Water Quality: Surface and groundwater standards, antidegradation policies, designated uses for rivers/lakes, permitting under Clean Water Act (epa.gov)
Part XI – Underground Storage Tanks: Regulations governing USTs (deq.louisiana.gov)
Part XV – Radiation Protection: Standards for radiological safety (deq.louisiana.gov)
🗓️ Update Frequency & Key Dates
Regulations are updated quarterly by the Louisiana DEQ (law.cornell.edu).
Key update examples include:
Part I updated March 18, 2025 .
Part III (Air) updated March 18, 2025 (deq.louisiana.gov).
Part V & VII PDF updates: October 2024 (solid waste & hazardous waste) .
Part IX standards most recently updated November 2024 (epa.gov).
Part XI updated July 2, 2025 (deq.louisiana.gov) (future‑dated, likely reflecting newest version live on that date).
🔍 Highlights by Section
Public Notification (Part I)
Requires public announcements for environmental contamination that exceeds risk thresholds (doa.la.gov).
Air Quality (Part III)
Regulates emissions, permitting, monitoring, control strategies, asbestos/lead, toxic air pollutants, smoke, odor, and industrial emissions .
Hazardous Waste & Materials (Part V)
Mandates Tier II reporting for hazardous materials, including extremely hazardous substances under EPA lists, with civil penalties for non-compliance (lsp.org).
Solid Waste (Part VII)
Post‑closure care: e.g., 30‑year period for new landfills; corrective action plans are required for contaminated sites (doa.la.gov).
Water Quality (Part IX)
Sets water quality criteria, designated uses, antidegradation policies, and links to Clean Water Act requirements (epa.gov).
📥 Access the Regulations
Official: Louisiana DEQ’s regulations page includes downloadable .DOCX/.PDF versions of all parts (deq.louisiana.gov).
Mirror sources: Justia and Cornell Law host searchable versions but may be slightly out of date .
✅ How I Can Help You Next
Drill down into a specific part or chapter (e.g., permitting fees, asbestos rules, Tier II inventory procedures).
Find exact section citations (e.g., LAC 33:III.1303 for particulate standards or LAC 33:VII‑805 for landfill post-closure).
Provide downloadable links or PDF excerpts.
Explain procedures, timelines or compliance obligations in any area.
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