The abbreviations on this page were originally defined on the United States Environmental Protection Agency website.


LAA: Lead Agency Attorney

LADD: Lifetime Average Daily Dose; Lowest Acceptable Daily Dose

LAER: Lowest Achievable Emission Rate

LAI: Laboratory Audit Inspection

LAMP: Lake Acidification Mitigation Project

LC: Lethal Concentration. Liquid Chromatography

LCA: Life Cycle Assessment

LCD: Local Climatological Data

LCL: Lower Control Limit

LCM: Life Cycle Management

LCRS: Leachate Collection and Removal System

LD: Land Disposal. Light Duty

LD L0: The lowest dosage of a toxic substance that kills test organisms.

LDAR: Leak Detection and Repair

LDC: London Dumping Convention

LDCRS: Leachate Detection, Collection, and Removal System

LDD: Light-Duty Diesel

LDDT: Light-Duty Diesel Truck

LDDV: Light-Duty Diesel Vehicle

LDGT: Light-Duty Gasoline Truck

LDIP: Laboratory Data Integrity Program

LDR: Land Disposal Restrictions

LDRTF: Land Disposal Restrictions Task Force

LDS: Leak Detection System

LDT: Lowest Dose Tested. Light-Duty Truck

LDV: Light-Duty Vehicle

LEL: Lowest Effect Level. Lower Explosive Limit

LEP: Laboratory Evaluation Program

LEPC: Local Emergency Planning Committee

LERC: Local Emergency Response Committee

LEV: Low Emissions Vehicle

LFG: Landfill Gas

LFL: Lower Flammability Limit

LGR: Local Governments Reimbursement Program

LHDDV: Light Heavy-Duty Diesel Vehicle

LI: Langelier Index

LIDAR: Light Detection and Ranging

LIMB: Limestone-Injection Multi-Stage Burner

LLRW: Low Level Radioactive Waste

LMFBR: Liquid Metal Fast Breeder Reactor

LMOP: Landfill Methane Outreach Program

LNAPL: Light Non-Aqueous Phase Liquid

LOAEL: Lowest-Observed-Adverse-Effect-Level

LOD: Limit of Detection

LQER: Lesser Quantity Emission Rates

LQG: Large Quantity Generator

LRTAP: Long Range Transboundary Air Pollution

LUIS: Label Use Information System

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