Walmart Canada to Accept Corrugated by Len Prazych
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March 7, 2016 Vol. 32, No. 10 The White Sheet An N.V. Publication ™ “Celebrating 32 Years” The ONLY Weekly Publication Serving the U.S. and Canadian Corrugated and Folding Carton Industries Walmart Canada To Accept Corrugated by Len Prazych he Canadian Corrugated and Containerboard Walmart Canada supports our position that corrugat- TTAssociation (CCCA) was recently notified that ed is a sustainable solution that also keeps produce Walmart Canada will accept shipments of fresh fruit fresh, safe and marketable.” and vegetables in either reusable plastic containers Along with Andrews, FBA President Dennis Colley, (RPCs) or in corrugated containers. Until now, and Trevor Suslow, a food safety researcher at the Walmart Canada had University of only accepted pro- California-Davis, intro- duce in RPCs unless duced the topic of the a concession was risks associated with applied for and grant- the unsatisfactory san- ed. Its decision and itation of RPCs to subsequent announce- Kathleen DiTomasso, ment to its suppliers Manager of Quality and the industry is a and Regulatory Affairs first step toward mak- at Walmart Canada. ing a potentially signif- Evidence from the icant impact on future research, as well as North American box data from studies by making production. Dr. Keith Warriner at According to the the University of announcement that Guelph conducted was provided exclu- two years ago on the sively to Board Con- Walmart Canada has announced it will now be accepting corrugated perils of RPCs, had its verting News, this containers from its North American fruit and produce suppliers. desired effect. decision pertains only to Walmart Canada and not The Tipping Point Walmart in the United States or Walmart Europe. The tipping point may have been the study released “As the world moves quickly towards environmen- last month about sanitization that Andrews delivered tally sustainable practices, we are pleased that Walmart to DiTomasso in person. Canada has chosen to support the use of corrugated,” The new laboratory study, conducted by NSF said David Andrews, CCCA Executive Director, whose International under the direction of Maryann Sanders, advocacy was instrumental in helping Walmart Canada Senior Regulatory Specialist and Microbiologist at realize the many benefits of accepting corrugated con- Haley & Aldrich, Inc. and sponsored by the Corrugated tainers from its produce suppliers in both Canada and Packaging Alliance (CPA), evaluated both temperature the United States. “The information we’ve imparted to and time to determine if typical corrugated manufac- Copyright 2016 • NV Publications turing processes were sufficient for sanitization. The ignored, Suslow said. When a customer says they want study showed that the process of combining liner- to receive products in RPCs, some growers cannot board and medium to make corrugated packaging is afford to say no. Suslow said the basic concept of sufficient to destroy common food pathogens, effec- multi-use containers sets them up to become contam- tively meeting the U.S. Environmental Protection inated, especially if they are used for commodities that Agency’s (EPA) requirements are packed in the field, which includes many fresh for chemical sanitizers. produce commodities. “If you are required to use The study employed a tem- RPCs, be sure to inspect them upon receipt,” Suslow perature and time profile rep- said. “If you see a problem, document it. You can also resentative of manufacturing use quick swab tests to check the general levels of practices where linerboard microbial growth.” reaches temperatures of 180 Such precautions are unnecessary with single-use – 200 degrees Fahrenheit for corrugated containers, Sanders said. approximately nine seconds. Research Informs Decision That profile was attained in “This research confirms what we have known for the laboratory by placing cor- decades,” said FBA President and CPA Executive David Andrews rugated material between Director Dennis Colley.“The corrugation process has two one-inch thick, pre-heated aluminum plates for sufficient temperatures and dwell time to kill the specified time. Under these conditions, linerboard microbes. Clean boxes have been consistently verified contaminated with a cocktail of various thermotoler- at box plants and at customer locations.” ant organisms, including both E. coli and Salmonella This study is the latest in a line of both field and lab- spp., reached the specified temperature for the identi- oratory-based research studies performed over the fied time resulting in a five-log reduction in the num- past several years demonstrating the cleanliness of sin- ber of organisms present on the liner surface, effec- gle-use corrugated packaging. A study conducted from tively meeting the Environmental Protection Agency’s 2010 – 2014 showed that over 400 (EPA) defined requirement for sanitization. microbiological test results collected “We had the hypothesis but it hadn’t been proven from 40 paper and box facilities all until this research was done,” said Sanders, who has met acceptable standards for clean been working with the corrugated industry for 10 packaging. Another study released in years. As a microbiologist, she knew that pathogens February 2015 revealed that 100 per- couldn’t survive the high temperatures used to shape cent of corrugated boxes from six dif- and bond the layers of paper into corrugated but no ferent box suppliers tested at six dif- Maryann Sanders one had specifically documented that fact. Something ferent customer locations in three different U.S. else no one has documented is a foodborne illness regions met standards for clean packaging. caused by pathogens on reusable plastic containers Shortly after presenting the latest study, CCCA’s (RPCs), which some retailers have begun requiring for Andrews was informed directly from the Sr. fresh produce shipments. Procurement Manager, Fresh Fruit and Vegetables, at “If I were a retailer or a supplier, I would not want Walmart Canada that the company made the decision to be the first one to have a documented problem,” to approve that either corrugated or Sanders said, adding that research sponsored by the RPCs can be used for shipment of RPC industry has shown high levels of pathogens on fresh products to the Canadian the reusable containers. That research showed RPCs Stores. on the same pallet ranged from zero microbial organ- While the decision on whether to isms to 10 million organisms. Sanders said she sus- use either RPCs or corrugated for pects the wildly different levels are a reflection of their shipments lies with its suppli- inadequate or improper sanitizing between uses. Trevor Suslow ers, Walmart Canada has requested Trevor Suslow, Food Safety Researcher at the that those who do choose corrugated adhere to the University of California-Davis, consulted on both the following requirements: RPC study and the corrugated study. He said fresh pro- • The exterior of the case must be 60-centimeters by duce growers and shippers frequently ask him 40-centimeters. whether they should use single-use corrugated con- • The height can vary according to the product tainers or RPCs. The answer, however, is not easily within. determined. • It is the supplier’s responsibility to ensure that the The pressure of retailer requirements cannot be flutes and materials supplied protect the products Copyright 2016 • NV Publications against the stacking and handling rigors of the supply Andrews said that the decision will be announced to chain. the industry “from the bottom up” because many • Interlocking design features and compatibility Canadian suppliers who use RPCs are not happy using with the common design criteria are strongly recom- them. They use them because that’s what their cus- mended. tomer wants. Suppliers would prefer to use one type Andrews said that required dimensions of the corru- of packaging on one packing line. This also pertains to gated containers were unusual in that they are outside suppliers and growers in the United States from dimensions, as opposed to inside dimensions on where much of Canada’s tropical fruits and produce which the corrugated industry traditionally focuses. originates. These suppliers and growers will also have “If we don’t let box makers know that these are out- the ability to brand their boxes to promote product side dimensions and that they have to work backward attributes and develop new markets and in a way they from those dimensions, there may have not had the opportunity prior. could be some difficulties down Next Steps the road, perhaps unnecessarily,” While Walmart Canada is not a huge player in the said Andrews, who added that grand scope of retailers who will accept their produce Walmart Canada’s reasoning for in corrugated containers, this first step has potentially the request was not random. “The larger implications. “If it proves to be successful in size of the box rationalizes totally Canada, I see no reason why it could not be adopted to Walmart Canada’s in-store per- by Walmart in any other place or for that matter or any Dennis Colley manent display cases.” other purveyor of produce facing similar challenges of Walmart Canada also indicated that it is considering using RPCs,” said Andrews. its acceptance of corrugated a “trial period” and that In addition to Walmart Canada, CCCA has been its decision is subject to change depending on results. equally aggressive in targeting Canada’s four other If the company does not feel corrugated meets its cri- major retailers, as well as its government