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EXIDE VERNON BREAKING NEWS: Blood lead level tests for residents need work; Value of tests near Exide lead smelter questioned

THE DAILY TROJAN – UNIVERSITY OF SOUTHERN CALIFORNIA (OPINION COLUMN)

Blood tests for Vernon residents need work

By Valerie Yu · Daily Trojan

Posted Yesterday (Sept. 16, 2013) at 7:48 pm in Columns, Opinion

Recently, the Los Angeles County Department of Health Services announced its plans to launch a blood test for lead poisoning to settle outrage and fear over the toxicity of a local Vernon car battery recycler, one of the largest facilities of its kind west of the Mississippi. Plant operator and Georgia-based battery maker Exide Technologies will pay for the tests. (ED NOTE: Because Exide is in bankruptcy, the company must obtain approval from the bankruptcy court for such an expenditure.) Though this seems to be a step in the right direction, the tests will not be effective in serving the public properly. A scientific study is necessary.

For a plant that has been around for 30 years recycling 22 million lead-acid automotive batteries annually, the events of the past year point downhill. According to the Los Angeles Business Journal, California regulators ordered a temporary shutdown of the plant earlier this year on April 24.

They were prompted by a report issued by the South Coast Air Quality Management District, which had found that the plant was emitting a hazardous level of arsenic and carcinogens in the air, threatening 100,000 nearby residents. Subsequently, the Department of Toxic Substance Control conducted an investigation that found hazardous levels of toxic metal in water discharges from facility pipes. The contamination of the soil and underground water supplies are still being determined.

In June, however, Exide won the right to reopen in Los Angeles. County Superior Court’s Judge Luis Lavin stated that the public would not suffer by allowing the lead recycler to gain more business. But a proper investigation would provide the hard statistics and evidence needed to properly assess the plant’s safety.

Exide’s plant in Frisco, Texas had stirred a lot of concern among residents as well. Blood testing for lead exposure near the plant had also been offered to residents, but the data reported said that of the 608 samples analyzed, 575 did not contain detectable levels of lead. Yet, upon closer examination, the tests done in Frisco have so many flaws that could possibly be repeated in the Los Angeles plan.

Dr. Cyrus Rangan, the director of the county public health’s bureau of toxicology, told the Los Angeles Times that he expects to find nothing out of the ordinary for the L.A. tests because there are not many “people with a lot of symptoms of lead poisoning.”

But that’s exactly the concern. Leading poison, according to Mayo Clinic, is difficult to detect; there are no symptoms until levels become hazardous, or in other words, it’s too late. Thus, a one-time testing project will not show the true nature of the situation. Moreover, though treatment of lead poisoning removes the metal from bloodstream, traces of it remain in the bones, sometimes causing cancer and neurological damage. The effectiveness of the tests also depends on how many people come forward to participate. Thus, the measure should be better publicized.

The possibility of these tests coming too late is very real. In fact, the results from the South Coast Air Quality Management District alone should be reason enough to shut down the plant permanently.

According to the Times, its report states that there were elevated levels of arsenic emitting from the plant that threaten the lives of more than 100,000 people. The same risk assessment gauged that from Boyle Heights to Huntington Park, more than 250,000 people faced a chronic hazard from arsenic.

Blood tests could be a good start, but to really get to the bottom of this for real answers as to whether or not the plant is life-threatening, efforts must be more genuine and serious. This round of tests shouldn’t just be about allaying concerns but about assessing actual risk. What the city needs is an extensive epidemiological study comparing lead levels in representative samples of residents from multiple distances from the plant. It’s time to put people before profits.

Valerie Yu is a University of Southern California sophomore majoring in biological sciences and English.

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LOS ANGELES TIMES

Value of blood tests near Exide recycling plant questioned

Tests of residents near Exide’s Vernon facility won’t pinpoint a source of any contamination and come too late, some activists say.

 

 The Exide Technologies battery recycling plant in Vernon has been repeatedly cited for discharging potentially harmful levels of lead. Air regulators have said the emissions raised the cancer risk for 110,000. (Anne Cusack / Los Angeles Times)
By Jessica Garrison, Alan Zarembo and Ruben VivesSeptember 13, 2013, 6:31 p.m.

Los Angeles County’s plan to offer blood tests for lead poisoning to hundreds of thousands of people in southeast Los Angeles was greeted as a political victory in working-class communities that have long worried about the health effects of emissions from a Vernon battery recycler.

Less clear is what the tests will accomplish.

Some activists say the testing is coming too late — that the best time would have been five years ago, when lead emissions from the recycler, Exide Technologies, were so high that the Southern California Air Quality Management District forced it to temporarily cut production. Since then, officials have said lead air emissions have fallen substantially.

The testing isn’t part of a scientific study but a public service for anyone who wants it. That will be of little use in tracing any high lead levels back to a particular source or showing that the plant caused any harm. There are multiple sources of lead, and in communities such as Boyle Heights, Maywood and Huntington Park, the housing stock is old and full of lead paint.

Blood levels are a good measure of lead exposure in the previous four months, but they are not as reliable for looking at chronic exposure. Lead can accumulate in the bones and remain there for decades, though some does seep into the bloodstream. Bones can be sampled for lead content, but such tests are difficult and costly.

And though the scope of the testing is potentially vast — Centers for Disease Control and Prevention spokeswoman Bernadette Burden called the possible magnitude “unprecedented” — it is unclear how many people will take advantage of it .

Bell City Councilman Nestor Valencia called the effort “a PR stunt” because, he noted, it will largely measure acute exposure, not cumulative effects from living near a smelter for years. The real agenda, he charged “is to say that everything is fine,” whether or not that’s true.

“I live in the city of Bell,” which was recently consumed by corruption allegations, he said. “Do you think I trust the government?”

But others, including Judith Ballez, 28, of Maywood, welcomed the testing as a chance to address long-standing fears about living so close to the city of Vernon and its many sources of industrial pollution.

Until she heard Friday morning about the blood tests, Ballez said, she had had no idea her family might have been exposed to lead or arsenic from Exide, which is about two miles from her home. She said she has long noticed noxious odors coming from various companies.

She said when she’s outside with her 3-year-old son, Emiliano, she constantly worries about what’s in the air.

“I always wonder how it is affecting us,” she said. “If there’s an opportunity to check, yes, we are.”

The testing, which was announced Thursday, could begin as soon as next month. Exide officials declined to comment.

Community concern about Exide has been mounting since spring, when The Times reported that air regulators found that elevated arsenic emissions from the plant increased the cancer risk for more than 110,000 people. Officials said this week that it is not doing blood tests for arsenic, a carcinogen, because such tests can be unreliable and complicated.

“Such testing would not provide meaningful information to help us evaluate Exide’s possible impact on the community,” said Brian Johnson, deputy director for the state toxic-control department’s Hazardous Waste Management Program.

Johnson said regulators have begun dust testing and will soon begin soil tests for lead and arsenic. Citing confidential discussions with Exide, he declined to say more.

The plant has been repeatedly cited by the air district and the state Department of Toxic Substances Control for discharging potentially harmful quantities of lead.

After the air district first revealed the elevated cancer risk, officials from the state toxic-control department moved to temporarily suspend plant operations. But Exide appealed in Los Angeles County Superior Court, arguing that the plant did not pose “an imminent and substantial” danger to the public. A judge sided with the company, and it resumed operations.

Exide has agreed to pay for the blood tests and for soil and dust tests, according to officials. But spending for the blood tests still must be approved by a bankruptcy court judge. The Georgia-based company, one of the largest battery recyclers in the world, filed for bankruptcy this summer.

If the court does not approve the expenditure, state toxics officials said they will seek to require it as a condition for permitting the Exide plant to operate.

The U.S. Centers for Disease Control and Prevention considers levels above 5 micrograms per deciliter to be “elevated” in children, though research has shown that lead can impair development in lower concentrations. It can cause learning disabilities. Adults are far less sensitive to lead.

Exide has been down the path of mass blood-testing before.

In March 2011, the state health department in Texas offered blood testing for lead exposure to residents near an Exide battery recycling plant in Frisco that was in violation of federal air quality standards for the metal.

Blood samples were collected over four days.

The results: Of 608 samples analyzed by health authorities, 575 did not contain detectable levels of lead, the state reported. Two participants — both adults — had blood lead levels greater than 10 micrograms per deciliter. The highest was 15.

In addition, 12 people had levels below 10 but higher than would be expected based on their ages.

While those results allayed some fears, they could not answer the central question of whether the Exide facility had caused any harm. Not enough people were tested, and those who were did not necessarily live in the neighborhoods most at risk, based on proximity to the plant and wind patterns. Children are most vulnerable to the dangers of lead, but about two-thirds of the volunteers were adults, the Dallas Morning News reported at the time.

Experts said that only a costly and extensive epidemiological study could assess the actual risk. Such a study would compare lead levels in representative samples of people living various distances from the plant.

Dr. Richard Jackson, a UCLA pediatrician and former head of environmental health at the CDC, said that looking for lead in people made the most sense only after levels had been studied in the air, soil and water.

When industry is paying for the effort, outside oversight is particularly important, he said.

Still, even many longtime critics of Exide and the regulators who have overseen it praised the Los Angeles County plan.

“I think it’s a great idea,” said Jane Williams, executive director of California Communities Against Toxics. “It will give some indication of what people may be exposed to.”

jessica.garrison@latimes.com

alan.zarembo@latimes.com

ruben.vives@latimes.com

Times staff writer Anna Gorman contributed to this report.

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