Oscar W. Larson is now a part of OWL Services (owlservices.com). Oscar W. Larson values its customers, suppliers and employees and is committed to maintaining strong relationships with all by delivering the best quality service in the industry.
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Our team combats Petroleum Loss Control through monitoring and industry-leading inspections.
Oscar W. Larson Co. offers compliance testing and inspections for Spill Containers, Overfill Prevention Devices, Under Dispenser, and Containment Sumps in accordance with EPA’s 2015 Underground Storage Tank Regulations.
We offer the EPA certified DPleak® (Deferential Pressure Technology) patented testing method to test your containment sumps using a seal and constant vacuum to find leaks. This allows us to pinpoint leaks and does not generate hazardous contaminated water to perform the testing.
