Code of Massachusetts Regulations
310 CMR - DEPARTMENT OF ENVIRONMENTAL PROTECTION
Title 310 CMR 71.00 - Industrial Wastewater Regulations For Photo Processors And Printers
Section 71.05 - Performance Standard for Photo Processors and Printers Without Equivalent POTW Permits That Discharge or Ship Industrial Wastewater to a POTW
Current through Register 1537, December 20, 2024
Except as set forth in 310 CMR 71.05(6), each photo processor and each printer without an equivalent POTW permit that discharges or ships industrial wastewater to a POTW shall comply with the applicable requirements of 310 CMR 71.06 and the following:
(1) Discharge Limit. Each photo processor and each printer shall not discharge or ship industrial wastewater to a POTW unless the wastewater from photo processing contains no more than 2 mg/l (i.e., two parts per million) of silver, measured in accordance with 310 CMR 71.05(3). In addition, by one year from May 1, 1998 no printer shall discharge or ship to a POTW wastewater containing dischromate (chromic acid) resulting from film processor cleaning operations.
(2) Operation and Maintenance. Each photo processor and each printer shall maintain a silver recovery unit in accordance with the manufacturer's or vendor's instructions to meet the 2 mg/l silver limit or limit set forth in the equivalent POTW permit, whichever is stricter.
(3) Sampling and Analysis. Each photo processor and each printer shall sample its wastewater and shall analyze the sample for silver content.
(4) Recordkeeping and Reporting. Each photo processor shall keep the following records in 310 CMR 71.05(4)(a) through (f) and each printer shall keep the following records in 310 CMR 71.05(4)(a) through (f) on-site for at least three years.
(5) Compliance with Board of Certified Operators of Wastewater Treatment Facilities Requirements. Each photo processor and each printer using a silver recovery system shall comply with 257 CMR 2.00: Certification of Operators of Wastewater Treatment Facilities, if applicable.
(6) Printers with DEP Sewer Connection Permits. Each printer without an equivalent POTW permit that has a sewer connection permit issued by the Department pursuant to 314 CMR 7.00: Sewer System Extension and Connection Permit Program shall comply with either 310 CMR 71.05(1) through (4) or with the terms and conditions of that permit.