GSI Lab – Guardian Systems, Inc. provides Industrial Compliance Solutions for EPA Compliance, Drinking Water, Wastewater, Stormwater, Regulatory Compliance and Safety.  GSI follows a strict QAM (QA/QC) Program.

Environmental Protection Agency (EPA) Compliance



Wastewater Treatment Studies:  Full service wet bench analysis to include available cyanide testing for Wastewater Treatability Studies and operational analytical testing.  Full range of compliance services including Electronic Discharge Monitoring Reporting (eDMR).

Operational Process Wastewater Monitoring: Whether you monitor your process flow once a day or once a year, we can help you implement a sampling and testing program that will keep your facility permit compliant and out of trouble.


Stormwater Monitoring: GSI uses current weather forecasting and efficient scheduling to ensure that we are on site for proper collection of your stormwater outfalls.  Our laboratory can complete the analsyes on schedule and even complete your Electronic Discharge Monitoring Reporting (eDMR).  This frees you up to do what you do best – run your business.

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Ground Water Well Monitoring: Using our regulatory approved pumping/sampling equipment and trained experienced field staff, we can map, purge, and sample your groundwater monitoring wells. Next, our full service laboratory will complete all necessary analyses and submit groundwater well structured reports for your records.

Toxicity Monitoring:

Toxicity Monitoring:  EPDM Liners.  We are one of the few laboratories in the US who test pond liners internationally using Shubunkin fish.  Waste Water Toxicity and Reporting, TCLP, RCRA, FIRA (Herbicides and Pesticides), Priority Pollutants, Priority Metals, SID, Pond and Lake Management Analysis.  GSI Specializes in performing toxicity testing for the coal mining industry.

Bio Assay:   Our AquaBiology division can accommodate your Aquatic Toxicity monitoring requirements both acute and chronic testing with fathead minnow (Pimephales promelas) or water fleas (Daphnia).

Industrial Compliance

Additional Services

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Hazardous Waste Determination: Full service TCLP extractions for RCRA compliance, VOC’s, Toxic Organics, and more. GSI can handle all of your waste disposal characterization needs.

Hazard Analysis

Hazardous Analysis:  Soils, Solids, Sludge, Oil, Fuels, Dust, Transformer Analysis for PCP.

Drinking Water

Analysis for indoor potable water supply for industries, water fountain testing, etc.

Fuels Analysis

 Fuels Analysis: Flashpoint, API Gravity, % Moisture, and more.

Custom Analyses


Custom Analyses:   From microscopic fiber analysis to full GC/MS scans of unknown substances, GSI has the equipment and expertise to handle almost any unknown analysis and method development.

Calibrations: GSI can perform 3rd party traceable calibrations for your facility. Whether for compliance or as part of your Quality Management Program, we can help you design and implement a calibrations schedule that works for you.

Sample Collection: Time is valuable. Eliminate the valuable time required to tie up your personnel on sampling and delivery to the lab. Contact us to discuss your needs for sample collection or pickup by one of our highly trained field sampling technicians.

Our scope of commercial testing encompasses everything listed above as well as additional services.  We are capable of handling any commercial testing needs.  Please call GSI at 205.699.6647 for additional information.