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Is a Nickel Refinery Right for The Lowcountry?

Updated: 3 days ago



Recently, I learned that a proposed nickel refinery plant may be located in Richmond Hill. I first heard about it on social media and then from members of a fishing club that I’m part of.


As an environmentalist and someone who deeply values coastal Georgia, I was surprised. Refining any heavy metal in a coastal region immediately raises questions. Industrial air emissions, runoff, and water discharge are not theoretical concerns — they are realities of heavy industry. In a region defined by tidal marshes, estuaries, and a fragile fishery ecosystem, those concerns deserve thoughtful scrutiny. Wind direction shifts seasonally here, so air pollutants do not move in a single predictable direction. Communities across Bryan County and surrounding areas could be affected depending on the time of year.




Let's review the health effects of nickel exposure.


Nickel and Contact Dermatitis

Most people are familiar with nickel because of skin reactions to inexpensive jewelry. Nickel allergy is among the most common causes of allergic contact dermatitis worldwide.


It is important to understand how this allergy develops. Nickel ions themselves are too small to directly trigger an immune response. Instead, nickel acts as a hapten. When nickel haptens bind to proteins in the body, they form a nickel-protein complex. The immune system recognizes this complex as foreign. Antigen-presenting cells process the complex and present it to T-cells, resulting in a Type IV delayed hypersensitivity reaction.


This is very different from classic “allergies,” which are IgE-mediated and cause hives or anaphylaxis. Nickel dermatitis is T-cell mediated and typically causes redness, itching, and rash at the site of contact.


Prevalence increases with cumulative exposure, age, and female sex — largely due to jewelry exposure patterns. European data suggest nickel allergy affects approximately 8–19% of adults and 8–10% of children and adolescents in the general population. The most common trigger remains prolonged skin contact with nickel-containing metals.



Systemic Contact Dermatitis

Less commonly discussed is systemic contact dermatitis. In sensitized individuals, nickel exposure through inhalation or ingestion can trigger more widespread skin reactions or systemic symptoms. While this is less common than localized dermatitis, it highlights that exposure routes matter.



Nickel and Cancer Risk

Nickel’s carcinogenic potential is not speculative. Nickel is classified as carcinogenic to humans, primarily based on occupational exposure data. Since the early 1990s, multiple epidemiologic studies have undoubtably shown increased lung cancer rates in workers with high levels of nickel refinery exposure. The precise mechanism of carcinogenesis is still being studied, but evidence suggests DNA damage, oxidative stress, and epigenetic changes play a role.


The most consistently observed malignancy in nickel refinery workers is lung cancer. Elevated risks have also been reported in some studies for cancers of the nasal cavity and paranasal sinuses. Some occupational cohorts have suggested associations with other cancers, though lung cancer remains the strongest and most reproducible signal.


Animal studies — including research in rodents, chickens, earthworms, and other species — demonstrate DNA damage following systemic nickel exposure (both inhaled and ingested). Tissue injury has been observed not only in lung tissue but also in kidneys and other organs under experimental conditions. Studies show adverse health effects in a wide variety of species. In researching this post, I did not find a species test group that did not experience adverse effects from nickel exposure.



Nickel Refinery Workers: What the Data Show

The strongest data linking nickel to cancer come from refinery worker cohorts.

A well-known Norwegian refinery study observed 203 lung cancer cases when approximately 68 were statistically expected, indicating a markedly elevated risk in high-exposure workers. Similar findings have been reported in refinery cohorts in Canada, the United Kingdom, and China.


The U.S. Environmental Protection Agency has long recognized certain nickel compounds as carcinogenic, particularly in occupational settings in refineries. Reviews over the years continue to support a significantly elevated lung cancer risk among workers with substantial inhalational exposure. To date, the EPA has not changed its 1987 carcinogenicity assessment position.


Concerning nickel exposure of the region and community surrounding nickel refineries, the National Cancer Institute states that it is "almost always too low to be of concern." Tell that to the people who get lung cancer. The EPA currently recognizes lung and respiratory tract tumors, specifically nasal tumors, as directly caused by exposure to industrial dust among workers. No cancer prevalence data exists for their family members who may be exposed to nickel dust from the worker's clothing or vehicle.



Nickel and Aquatic Species

A PubMed search of “nickel in fish” yields a significant and growing number of studies. In summary

  •  Nickel toxicity in freshwater species is well known.

  • Toxicity appears to be species-specific in saltwater species.

  • Nickel exposure can impair tissue oxygenation and induce oxidative stress in affected animals.

  • High levels of nickel are fatal to fish and other aquatic invertebrates

  • Nickel does not appear to significantly bioaccumulate in aquatic or terrestrial food chains. In contrast, mercury readily bioaccumulates and biomagnifies, binding tightly—often irreversibly—to fish proteins.



The Fight Against the Proposed Nickel Refinery

Locating a nickel refinery in the Lowcountry does not appear to be a prudent plan. Our region is vulnerable to severe weather, including hurricanes and tornadoes. In such conditions, the risk of an industrial accident could be significant, and the consequences potentially catastrophic to humans and wildlife.


Many people find activism distasteful and prefer to keep their views and positions close to the vest. However, concerning the proposed nickel refinery, if there were ever a time for civic engagement, it would be now.


To participate, please visit:

No nickel refinery in Richmond Hill, GA! change.org petition


Visit the "Richmond Hill Community Information Facebook" page:




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