GSL is a certified environmental testing laboratory. We analyze drinking water, wastewater, sludges, biosolids, soils, solid wastes, hazardous wastes & monitoring wells. In addition we test recreational bathing waters such as swimming pools, whirlpools, hot tubs, lakes, and beaches. We are proud to offer water testing services from private individuals testing their water for a real estate transaction, to large municipalities and government entities keeping in compliance with regulations.
Garden State Laboratories, Inc.
410 Hillside Ave
Hillside, NJ 07205