Fish canners challenge mercury-labeling suit

State wants makers to warn of dangers on tuna packages

Jane Kay, Chronicle Environment Writer

SAN FRANCISCO Food industry and health groups nationwide are closely watching a lawsuit in San Francisco Superior Court that will reach a milestone Friday when a judge hears state attorneys claim that big canners are breaking the law by failing to tell consumers about mercury in tuna fish.

Not so, say lawyers for defendants StarKist, Chicken of the Sea and Bumble Bee. Their popular product makes a delicious and healthful sandwich, and doesn't fall under the purview of Proposition 65, the initiative passed by voters 20 years ago to rid toxic substances in consumer products, food and water, they say.

The state sued in 2004 under Prop. 65 to force the tuna canners to warn of the risks of mercury, a potent neurotoxin. The companies already face penalties of $2,500 a day per violation dating back to June 2000, and the amount is growing every day as they refuse to warn, state attorneys say.

On Friday, lawyers for the warring sides go back to the San Francisco court after 24 days of trial last year to present their final arguments before Judge Robert L. Dondero. The judge could rule in the coming weeks.

Industry and health groups are closely watching for Dondero's decision. Although his findings would affect only this case, they could bear on California's ability to enforce cases involving chemicals in food under Prop. 65, which could influence what others states do. State food-labeling laws already are under attack in the U.S. Congress.

Prop. 65 has been used to rid bottled water of arsenic, and calcium supplements, dishes and caps atop wine bottles of lead. Other suits charge manufacturers with failing to warn about lead in some balsamic vinegars and Mexican candy, and about acrylamides produced by high heat in french fries and potato chips.

Mercury is particularly damaging to the developing brain and nervous system, scientists say. In children, mercury can impair intelligence and, in high levels, cause permanent brain damage. In adults, it can harm the nervous, cardiovascular and reproductive systems.

"This is the classic Prop. 65 case. It's exactly how Prop. 65 is intended to operate,'' said Sue Fiering, a deputy attorney general who is arguing in court. "If women are given this information, it enables them to make choices to protect their children.''

The nonprofit Public Media Center in San Francisco filed the original suit in 2001 against the parent companies, Tri-Union Seafoods, Bumble Bee Seafoods and Del Monte Corp. Attorney General Bill Lockyer's office joined in 2004.

The suit alleges that the companies failed to warn potential buyers about the risks of canned tuna. The state wants informational signs in the aisles or other advisories.

"We have a healthful product that everyone should eat, including pregnant women and women of child-bearing age. Studies show that if they don't eat fish, including tuna, their children will suffer,'' said Forrest A. Hainline, an attorney with Pillsbury, Winthrop in San Francisco, which represents the canners.

"Prop. 65 warnings would frighten people away,'' said Hainline.

The companies argue that Prop. 65 warnings would conflict with the FDA's advisories on mercury in seafood; thus, federal law pre-empts state law.

The FDA issues advice on its Web site and in mailings to health officers.

Last year, a year after lawyers for the tuna canners requested it, then-FDA commissioner, Lester M. Crawford, wrote a letter to Lockyer saying California's move to secure warnings conflicted with the federal role.

Two weeks ago, the House passed a bill that manufacturers, retailers and other allied businesses had wanted for the past three years. The bill, which now goes to the Senate, would prohibit states from requiring disclosures on food. An amendment would allow states to issue warnings about the health effects of mercury in fish.

Lockyer, who opposed the bill along with other state attorneys, is arguing in the tuna trial that the FDA's warning system isn't protective enough for the people of California. Some women don't have computers and would miss federal advisories. And just because the FDA can require labels revealing additives in food doesn't mean that states can't require similar warnings, yet aimed at a wider audience.

"We can require anything unless it's actually prohibited by FDA,'' said Ed Weil, a deputy attorney general who coordinates Prop. 65 cases.

The trial has relied heavily on testimony from experts with differing conclusions about safe levels of canned tuna consumption.

One of the prime arguments of the companies is that consumers eating canned tuna wouldn't be exposed to mercury above the state's guideline. A San Jose toxicologist, Jay Murray, who also does work for the trade group, the U.S. Tuna Foundation, came up with a level from a study that produced observable health effects in rats. He then averaged that level over 60 days, citing a study showing that people generally eat canned tuna every two months -- and concluded that the exposure would be below the level that could hurt the rats.

The state brought in Deborah Rice, who was one of three EPA scientists who prepared the agency's safety guidelines on mercury. Now a health official in Maine, Rice testified that it's not necessary to rely on a small rat study when the EPA and other agencies look at studies of human populations. She also testified that with some toxic chemicals, it's inappropriate to average an exposure over time. A single high dose of mercury could have an effect on a fetus, she said.

The companies also argue that mercury occurs naturally in the ocean, meaning the businesses can't control what happens in nature, putting outside the purview of Prop. 65. Only up to 5 percent of the mercury in the ocean comes from industrial sources, Princeton University geophysicist Francois Morel testified at the trial.

But testifying for the state, William Fitzgerald, a nationally known mercury-cycling expert from the University of Connecticut, said that about 50 percent of the mercury deposited in the ocean could come from industry.

In 2003, the state sued California supermarket chains, and they agreed to post interim warnings at the fresh and frozen fish counters. The parties are trying to resolve the issue of past penalties. Andronico's was the only market to settle the case, and it voluntarily posts warnings in the canned tuna aisle.

In 2005, after the state sued, 20 restaurant chains began to warn about mercury in fish, putting placards near the entrance.


Source:

San Francisco Chronicle
March 22, 2006

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