As firms continue to search high and low for affordable and legitimate options for final disposition of CRT glass, several states with e-scrap programs are taking a stance on using the material as alternative daily cover (ADC).

The issue for officials in Wisconsin, Minnesota, Illinois and Vermont comes down to whether or not firms can meet original equipment manufacturer (OEM) recycling goals by sending CRT glass for use as ADC. And that debate is often tied into a second question: Are there other viable disposal options out there?

“We still believe there are markets for the material and it’s really more a matter of how much you’re willing to pay [to process the glass], not whether you can put it into the recycling stream,” Brad Wolbert, chief of the recycling and solid waste section at Wisconsin’s Department of Natural Resources, explained in an interview with E-Scrap News. Wisconsin is in the process of clarifying its stance to ensure the message is clear as “interest grows in landfilling and CRT-to-ADC options,” Wolbert said.

Officials in Wisconsin’s westerly neighbor, Minnesota, have come to the same conclusion. Amanda Cotton, who serves as the electronic waste coordinator at the Minnesota Pollution Control Agency (MPCA), told E-Scrap News firms cannot count glass-to-ADC toward OEM goals and have never been allowed to do so.

In a statement recently sent out to state contractors, MPCA wrote: “Management methods such as land disposal, beneficial use or alternative daily cover cannot be used to fulfill a manufacturer’s obligation. Please do due diligence with vendors to confirm that is the case.”

On the other side of the argument, Vermont permits its state contractor, Casella Waste Services, to send glass for processing as ADC at landfills. Cathy Jamieson of the Vermont Agency of Natural Resources told E-Scrap News more traditional processing options — sending glass to a lead smelter or to companies that will turn the material into new CRTs — simply aren’t abundant enough to require Casella to seek non-ADC options, at least for now.

“Even though the state recognizes ADC is not recycling, there are very few recycling options that are actually within the U.S.,” Jamieson said. “Until there’s a bona fide, full-scale recycling option available, it is acceptable for Casella to send CRTs to be treated and used as ADC.”

Perhaps the key cog in the conversation surrounding ADC thus far has been Casella’s sub-contractor, Kuusakoski Recycling. Through a partnership with Peoria Disposal Company, Kuusakoski processes glass as ADC at a facility in Peoria, Illinois. It is the only existing CRT-to-ADC option in the country, and it has hopes of processing 50,000 tons of glass per year for the next decade.

Kuusakoski and Peoria Disposal contend the process is more affordable than traditional avenues. The companies use a technology they say locks the lead within the glass to ensure it will never leach once used as ADC at landfills.

State officials at the Illinois EPA approved of the process and allowed companies to count CRT-to-ADC pounds toward OEM recycling goals, but, like Vermont, the Illinois EPA does not consider the process to be recycling per se. Dave Walters, who manages the waste reduction and compliance section of the state agency, told E-Scrap News the policy still stands.

“Illinois EPA’s position on CRTs as ADC has not changed and we continue to allow manufacturers to count the ADC toward the annual Illinois goals,” Walters wrote in an email.

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The federal EPA has clarified its regulatory stance on whether leaded glass destined for tile manufacturing or landfill cover should be considered recycling.

In separate letters dated Sept. 10 and uploaded onto the agency’s website, Barnes Johnson, the director of the Office of Resource Conservation and Recovery, addresses the use of CRT glass as alternative daily cover (ADC) and as a flux and lead oxide in making ceramic tiles.

According to those letters, the ADC option is considered legitimate disposal while the tile option is legitimate recycling.

“Hazardous waste, such as CRT glass, that has been treated … and that no longer exhibits hazardous characteristics may be disposed in a landfill,” Johnson writes in the ADC letter. On the tile front, the agency states, “Based on the provided information, the EPA finds the legitimate recycling factors set forth in EPA policy … appear to have been met.”

The letters are addressed to two of the biggest names in the end-of-life electronics game: The ADC letter was sent to Sony, and the tile letter was sent to Sims Recycling Solutions, the electronics recycling wing of publicly traded Sims Metal Management. Sony had asked the agency for clarification on the ADC front, while SRS had requested clarification on the tile option.

It’s significant that the tile process received an OK to be deemed recycling while landfill cover is only considered “disposal.”

Both ADC and tile applications are seen as emerging downstream applications for CRT glass, which has become increasingly burdensome for e-scrap firms. Consumers worldwide have moved to non-CRT technologies so glass-to-glass markets for recycling firms have eroded, but the backlog of old monitors and TV sets continues to head into the e-scrap recycling stream.

While the EPA’s two letters noted the authority of states to set forth “more stringent” regulatory policies than those asserted by the federal agency, states are likely to refer to the EPA letters for guidance on policy making in the CRT arena.

Kuusakoski U.S. is the only company currently offering the CRT-to-ADC option in North America, partnering with a landfill located in Peoria, Illinois. The process, according to the company, seals the lead within the glass to prevent leaching and then is spread on top of a landfill as ADC.  A Vermont-based firm also looked into the option.

Some states have already concluded the option is not recycling and therefore does not count toward manufacturer recycling goals. In addition, the R2 e-scrap environmental standard has banned the use of CRT glass as ADC. The other certification standard, e-Stewards, meanwhile, allows it as a “last resort,” but does not deem it recycling.

The tile option, which will perhaps now get more play, has been looked at for some time both in the U.S. and abroad. Sims’ inquiry, E-Scrap News has learned, was related to a Spanish firm, Camacho Recycling, which has been pushing for U.S. glass to process and use in the manufacturing of ceramic tiles. Com2 Recycling, an Illinois-based firm, is also expected to come on-line with its own CRT-to-tile operation in the coming weeks.

Both ADC and tile manufacture have been raised as plausible alternatives to the standard, and often pricey, processing options currently available to U.S. firms, namely North American lead smelting and “glass-to-glass” recycling in India. While estimates vary widely, as much a 400,000 tons of CRT glass are expected to hit the waste stream each year until 2022.

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