• Find a Representative Near You


  • TOC Analyzers from LAR The QuickTOCultra
    The QuickTOCultra is the latest in LAR AG's line
    of high temperature combustion TOC analyzers.
    Through oxidation at 1200 degrees C, all organic
    and in-organic carbon is conpletely oxidized,
    providing a catalyst-free TRUE TOC measurement
    The QuickTOCultra is EPA Method 415.5-compliant
    and is configurable to monitor up to 6 streams.
  • Activated Sludge Control
    The Activated Sludge Plant Controller (ASP-CON)
    provides unprecendented process control in aerobic
    wastewater treatment. Fully automated multi-
    parameter analytics provide a continuous stream of
    data directly to your control system.
  • Chemitec Analytical Family
    Our family of high-quality analytical instruments
    provides compliance and process control in
    regulated discharge and industrial process
    streams. Parameters include:
    - pH/ORP
    - conductivity
    - turbidity
    - suspended solids
    - dissolved oxygen
    - chlorine
    - more

Welcome To Liquid Analytical Resource, LLC

On-line Monitoring for Water, Wastewater & Process Industries.

Liquid Analytical Resource, LLC is a U.S. company dedicated to helping our customers lower their processing costs while improving water quality, and reducing non-compliant waste through online process monitoring, analysis and control. Our customers benefit from service and support throughout North America, provided by factory-authorized service technicians with many years of experience in process analyzers.


Liquid Analytical Resource, LLC provides sales, service and support for a unique family of analytical instrumentation. The companies we represent design and manufacture industry-leading on-line analytical technology to detect and measure contaminants and biological activity in water and wastewater. Parameters include: TOC, COD, BOD, nitrogen, toxicity, respiration inhibition, dissolved oxygen, pH, ORP, conductivity, suspended solids, turbidity, and oxidants such as chlorine, chlorine dioxide, ozone, peracetic acid, and more.


News and Events

April 11, 2019

Texas Channel ISA

Pasadena Convention Center
Represented by: RBI Solutions

April 2019

Brazos ISA

Lake Jackson
Lake Jackson Civic Center
Represented by: RBI Solutions

May 6-8, 2019
ISA Analytical Division
Galveston TX

Event link

September 23-25, 2019


McCormick Place

Chicago, IL

Visit: LAR, LLC at Booth #4737
Event link

October 10th, 2019

ISA Beaumont

ISA Houston Chili Cook Off
Sawyer Yards Houston
Represented by: RBI Solutions