Best Management Practices Plans (BMPPs) for Persons Discharging Total Silver Halide Process Wastewater to the Public Sewer System

Develop a Best Management Practice Plan specific to the business plan.

Test for the silver concentration in the influent and effluent from the silver recovery unit(s) using silver estimating paper / wire and / or test kits. Specific intervals for testing vary depending on the amount of wastewater discharged per day. Please refer to Title 15 of the Rules of the City of New York (RCNY) Section 19-07 for details.

Test for the silver concentration in the influent and effluent from the silver recovery unit(s) using silver estimating paper / wire and / or test kits. Specific intervals for testing vary depending on the amount of wastewater discharged per day. Please refer to Title 15 of the Rules of the City of New York (RCNY) Section 19-07 for details.

Measure daily quantities of total silver halide process wastewater discharged to the public sewer.

Keep written records of pretreatment technology maintenance.

Keep written records of the date that any new pretreatment technology is brought into service.

All required records and measurements must be available at all times at the business for at least three years from the date such records and measurements are made, for inspection and copying by authorized representatives of the Department of Environmental Protection. For businesses employing outside contractors to maintain their pretreatment systems, a certification from the vendor that the applicable requirements of these regulations are being complied with must be kept at the facility, for inspection and copying, upon request by authorized representatives of the Department of Environmental Protection.

1. In lieu of complying with the requirements described above regarding on-site recovery, a business discharging total silver halide process wastewater to the public sewer system may have all silver-rich solutions transported off-site for recovery, reclamation, and / or refinement in accordance with all applicable City, State and Federal regulations. Any person that exercises this option shall retain (1) the most recent manifest (a document listing the contents to be transported) and / or (2) a vendor certification, and / or (3) other documentation regarding the disposal of silver-rich solutions. Such documentation shall include, but is not limited to, the name of the transporter, the quantity of silver-rich solutions removed from the facility, and where and how the silver-rich solutions were disposed of. 2. To find the relevant Rules of the City of New York, click the Rules of the City of New York (RCNY) link above and find Title 15 Department of Environmental Protection on left hand navigation. Select Chapter 19 Use of Public Sewers, and then select 19-07 Best Management Practices Plans (BMPPs) for Persons Discharging Total Silver Halide Process Wastewater to the Public Sewer System.