N.J. Stat. § 13:1E-41
Any solid waste facility accepting hazardous waste, chemical waste, bulk liquids or pesticides for disposal or storage on or in the ground, shall install monitoring wells which are constructed and located in accordance with rules and regulations promulgated by the department. Samples shall be taken from each well and analyzed by a laboratory acceptable to the department at least once every three months. Analyses shall be made for the factors or determinations specified by the department. Results of the analyses shall be furnished to the department within 30 days of sampling. Should monitoring well analyses or any other means of detection indicate to the department a real or potential threat to the quality of the waters of this State by the solid waste facility, the acceptance of hazardous waste, chemical waste, bulk liquids or pesticides by the operator shall be immediately discontinued upon the receipt of an order from the department requiring same. An acceptable system of interception, collection, and treatment shall be implemented at once and such treatment shall continue until the threat to the waters of the State by the solid waste facility is determined by the department to no longer exist. Prior to reacceptance of the discontinued material, an engineering design acceptable to the department which describes corrective measures to prevent recurrence of the threat shall be submitted and the design implemented.
N.J.S. § 13:1E-41