GSI Services List

GSI Lab – Guardian Systems, Inc. provides Solutions for Industry, Enviromental and Defense.

Listed below are a few of our services:

Drinking Water

ADEM/EPA Certified Safe Drinking Water. GSI can handle your SDW needs all the way from sample collection through CCR Completion including bacteriological, radiological, organic testing, lead, copper, bottled water.  Electronic Drinking Water Reporting (eDWR)

Waste Water Monitoring

Full service benchtop scale Wastewater Treatment Study capability. Full range of compliance services including electronic DMR Completion and submission

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 in compliance 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 Discharge Monitoring Reports. This frees up our customers to do what they do best — run their businesses.

Aquatic Toxicity & 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).

Additional Services:


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.

Consulting & Engineering Services

Consumer Confidence Reporting (CCR) Preparation & Printing

Custom Analyses (Method Creation)

From microscopic fiber analysis to full GC/MS scans of unknown substances, GSI has the equipment and expertise to handle almost any unknown analysis. GSI can customize and create your method.  Contact us today with your specific needs.

Electronic Discharge Monitoring Reporting (eDMR) Completion & eFile

Field Sampling & Courier Services

Fuels Analysis

Flashpoint, API Gravity, % Moisture, and more. GSI ensures that only fuel up to your standards is burned.

Groundwater Well Monitoring

Using our state of the art pumping/sampling equipment and 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 well structured reports for your records.

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.

Permit Application & Renewals

RCRA Analysis & Hazardous Waste

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.