Mead Paper – Case Study
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Pollution Prevention in Enforcement
Mead Paper – Case Study
August, 1998
The Mead Corporation in Chillicothe, Ohio used a P2 SEP (pollution prevention supplemental environmental project) to settle an enforcement action with Ohio EPA. The project involved replacing 36 solvent-based degreasers with 17 aqueous parts washers, resulting in:
elimination of 34 tons per year of volatile organic compound (VOC) emissions
elimination of over 33,000 lbs. of hazardous waste
reduction in worker exposure to solvents and solvent vapors
Introduction
The Mead Corporation, like many companies today, is realizing substantial environmental and financial benefits from incorporating pollution prevention into their standard operating practices and environmental management systems. Pollution prevention (P2) avoids or reduces generation of waste at the source.
Pollution prevention can be incorporated into environmental enforcement settlements via P2 supplemental environmental projects (SEPs). SEPs are environmentally beneficial projects that a company agrees to undertake when settling an enforcement action. P2 SEPs use P2 techniques to reduce waste generation beyond what is required by law.
Ohio EPA has developed a number of case studies that document the inclusion of P2 SEPs in enforcement settlements. This case study was developed by OPP and Ohio EPAs Division of Air Pollution Control (DAPC) and the Mead corporation, to illustrate the benefits of using P2 SEPs in enforcement cases.
Facility description
The Mead Corporation, Chillicothe Operations (Mead) is an integrated pulp and paper mill that employs approximately 2500 people. The mill produces coated and uncoated paper, carbonless paper, and paper for greeting cards. Facility operations include an integrated Kraft pulp mill, seven paper machines, five coating machines, two supercalendering machines, and numerous finishing machines. In 1997, Mead sold over half a million tons of paper products, for sales of $669 million.
Pollution prevention prior to enforcement
Pollution prevention is an important concept at Meads international headquarters, located in Dayton, Ohio. In the past, the corporate office has supported P2 projects at the Chillicothe facility.
Mead was aware of the benefits of P2 prior to the enforcement case, and had implemented a number of projects to decrease their use of hazardous materials and reduce risk to the community from a possible spill or accident. Aware that conservation of raw materials, water, and energy make good business sense, Mead has formed employee problem-solving teams to analyze their use of raw materials, water and energy.
One of Meads most significant P2 projects involved elimination of chlorine gas from the pulp mill, where wood is processed for use as a raw material in the paper mill. The pulping process involved large quantities of potentially hazardous chlorine gas, used to bleach the pulp. Mead voluntarily redesigned its pulping process to an elemental chlorine-free process for its bleaching operations.
Teamwork
In the early 1990s, Mead and Ohio EPAs Southeast District Office committed to a cooperative regulatory problem solving process. The team acknowledged that 1) Mead was going to continue its presence as a leader in the paper industry and in Ohios business community, and 2) that environmental protection agencies and regulations to protect the environment are here to stay. The team works towards facilitating Meads efforts to go beyond regulatory compliance, and do more than is what is required by law to protect the environment.
Enforcement case
Environmental violations at Mead, alleged by Ohio EPAs Division of Air Pollution Control (DAPC), involved repeated violations of air pollution control regulations over a period of several years. During enforcement negotiations, Mead and DAPC agreed that the case had the potential for a P2 SEP.
Mead proposed two P2 SEPs: replacing the solvent-based parts cleaners with aqueous units; and increasing the combustion efficiency of their #6 wood-waste boiler (used to generate heat for the pulping process) by adding an over fire air system. Ohio EPA and Mead settled in May of 1997; the final findings and orders (F&Os) included both P2 SEP projects.
The parts washer project was particularly attractive since it was multimedia and would not only reduce air emissions of Volatile Organic Compounds (VOCs), but would also reduce generation of hazardous waste. The project was also attractive because Mead has good opportunities for information sharing and technology transfer to other Mead facilities as well as other paper mills.
In addition, the settlement was particularly innovative because it was settled quickly, using alternative dispute resolution techniques, without legal representation from Mead or Ohio EPA. Mead and DAPC agreed on a reasonable implementation schedule.
Implementation
Mead has many parts washers located throughout the plant, that are used to clean a wide variety of parts. The parts washers are used primarily to remove oil, grease and dirt from metal equipment parts during routine maintenance.
Pursuant to the May 1997 Orders, Mead replaced 36 solvent based parts washers with 17 aqueous-based cleaning units. The aqueous units, manufactured by Graymills and Precision Metal Works, are versatile, and address a number of different cleaning needs at the Mill. The vendor performed on-site trials of the aqueous units.
The PMW units operate much like an automatic dishwasher, and work by spraying the parts with hot water and soap, while the parts rotate on a turntable. Water acts as the solvent, with assistance from a powdered soap supplied by the vendor.
A second type of unit, made by Graymills, replaces the “sink on a drum” type parts washers used to clean parts by hand. The fluid is recycled through the system and filtered. The new aqueous washers prevent dermal contact with solvents and inhalation of solvent vapors by operators, which is a common problem with sink on a drum type solvent-based parts washers.
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