Quest Diagnostics

Long Island Analytical is a privately owned environmental testing laboratory located in Holbrook, NY. We specialize in the analyzing of water, air, soil, and other materials for many various contaminants. We service anyone and everyone who is looking for analytical data from the above listed matrices.

Labcorp is a global life sciences and healthcare company, and our mission is simple: improve health, improve lives. We leverage science, technology and innovation to accomplish our mission-getting you answers that help you make clear, confident decisions about your health.Our Patient Service Centers offer routine medical testing-as well as recommended screenings based on your age and gender. It's easier than ever to make an appointment. Testing results will be available to you in your Labcorp Patient Portal. Quick and easy information both you and your healthcare provider can use to improve your health outcomes. And walk-ins are welcome.