Limestone Hills Training Area

Base Background

Location Montana, 59643, United States
Years of Operation 1959-Present

Limestone Hills Training Center has been a Montana Army National Guard training site since 1959. Military personnel primarily use the site for infantry, armor, engineer, artillery, aviation, and special operations training. They also perform live fire training at this location.

Known Toxins

The following chart outlines the medical conditions associated with toxic exposure at this base, classified by the strength of evidence required (strong, good or limited).* Please keep in mind that it is not a complete list.

Toxin Potential Effects
Strong Good Limited
Arsenic Potential Effects Peripheral neuropathy, Hyperkeratosis/Hyperpigmentation, Diabetes ­ Type II, Coronary artery disease, peripheral vascular disease, atherosclerosis Steatosis (fatty liver), Skeletal malformations, Renal (kidney) cancer, Raynaud's phenomenon, Pneumonitis hypersensitivity, Neural tube defects/CNS malformations, Nasal septal perforation, Myocardial ischemia, Low birth weight/Small for Gestational Age, Hypertension, Hepatoportal Sclerosis, Fetotoxicity (Miscarriage/spontaneous abortion; stillbirth), Congenital malformations ­ general, Cirrhosis, Cardiomyopathy, Bladder cancer, Arrhythmias, Anemia ­ hemolytic, Alopecia, Adult­-Onset Leukemias Neurosthenia (Organic affective syndrome), Myelodysplastic syndrome, Metal fume fever, Immune suppression, Hepatocellular cancer (Liver cancer), Genito­urinary malformations (includes cryptorchidism, hypospadias), Cognitive impairment (includes impaired learning, impaired memory, and decreased attention span), Acute tubular necrosis
Barium Potential Effects - - Sarcoidosis, Arrhythmias
Benzene Potential Effects Myelodysplastic syndrome, Multiple myeloma, Aplastic anemia Scleroderma, Renal (kidney) cancer, Pre­term delivery, Menstrual disorders, Lymphoma non ­Hodgkin's, Autoimmune antibodies, positive ANA, Arrhythmias Peripheral neuropathy, Neural tube defects/CNS malformations, Nasopharyngeal/Sino­Nasal cancer, Lung cancer, Immune suppression, Hepatocellular cancer (Liver cancer), Cardiac congenital malformations, Breast cancer, Brain cancer ­adult, Asthma ­irritant
Benzo A Pyrene Potential Effects Lung cancer Skin cancer (non­melanoma), Lung cancer, Immune suppression, Bladder cancer Reduced Fertility Male (infertility and subfertility)
Cadmium Potential Effects Renal stones, Osteoporosis, Itai­itai disease, Chronic renal disease, Acute tubular necrosis Reduced Fertility Male (infertility and subfertility), Prostate cancer, Pneumonia, Nephrotic syndrome, COPD ­chronic obstructive pulmonary disease, Cardiomyopathy, Anemia ­ hemolytic Testicular cancer, Soft tissue sarcoma, Renal (kidney) cancer, Pulmonary fibrosis, Pulmonary edema, Peripheral neuropathy, Pancreatic cancer, Oral clefts (cleft lip and palate), Neural tube defects/CNS malformations, Metal fume fever, Menstrual disorders, Immune suppression, Hypoactivity, Hypertension, Genito­urinary malformations (includes cryptorchidism, hypospadias), Decreased I.Q../Mental retardation, Congenital malformation Cranio­ Facial, Cognitive impairment (includes impaired learning, impaired memory, and decreased attention span), Brain cancer ­adult, Autoimmune antibodies, positive ANA, Arrhythmias, ADD/ADHD, hyperactivity, Abnormal sperm (morphology, motility, and sperm count)
Heptachlor epoxide Potential Effects - - -
Indeno pyrene Potential Effects - - -
Iron Potential Effects Bronchitis ­ chronic - Soft tissue sarcoma, Diabetes ­ Type II, Brain cancer ­adult, Alzheimer's
Lead Potential Effects Seizures, Reduced Fertility Male (infertility and subfertility), Peripheral neuropathy, Hypertension, Gout, Developmental Delay, Decreased I.Q../Mental retardation, Decreased Coordination/ Dysequilibrium, Coronary artery disease, peripheral vascular disease, atherosclerosis, Cognitive impairment (includes impaired learning, impaired memory, and decreased attention span), Chronic renal disease, Behavioral problems, Anemia ­ hemolytic, ADD/ADHD, hyperactivity, Abnormal sperm (morphology, motility, and sperm count) Reduced Fertility ­ Female (infertility and subfertility), Psychiatric disturbances, Pre­term delivery, Porphyria ­ toxic, Pancreatic cancer, Nephrotic syndrome, Low birth weight/Small for Gestational Age, Immune suppression, Hearing loss, Glomerulonephritis, Fetotoxicity (Miscarriage/spontaneous abortion; stillbirth), Delayed growth, Cardiomyopathy, Arrhythmias, Altered time to sexual maturation (accelerated or delayed puberty) Wilm's Tumor, Uterine cancer, Thyroid disorders ­Hypothyroidism, Stomach cancer, Reduced Fertility Male (infertility and subfertility), Osteoporosis, Neurosthenia (Organic affective syndrome), Lung cancer, Hepatocellular cancer (Liver cancer), Erectile dysfunction, Diabetes ­ Type II, Congenital malformation Cranio­ Facial, Colo­rectal cancer, Carcinoid, Breast cancer, Brain cancer ­adult, Bladder cancer, Alzheimer's, Altered time to sexual maturation (accelerated or delayed puberty), ALS (Lou Gehrig's disease), Abnormal sperm (morphology, motility, and sperm count)
Manganese Potential Effects Parkinson's disease/Movement disorders, Cholestasis Psychiatric disturbances, Pneumonitis hypersensitivity, Pneumonia, Peripheral neuropathy, Decreased Coordination/ Dysequilibrium, Bronchitis ­ acute, ADD/ADHD, hyperactivity Skeletal malformations, Reduced Fertility Male (infertility and subfertility), Peripheral neuropathy, Neurosthenia (Organic affective syndrome), Neural tube defects/CNS malformations, Metal fume fever, Fetotoxicity (Miscarriage/spontaneous abortion; stillbirth), Erectile dysfunction, Delayed growth, COPD ­chronic obstructive pulmonary disease, Cognitive impairment (includes impaired learning, impaired memory, and decreased attention span), Arrhythmias
Nickel Potential Effects Asthma ­ allergic Stomach cancer, Pulmonary fibrosis, Pulmonary edema, Nasal septal perforation, Laryngeal cancer, Immune suppression Soft tissue sarcoma, Renal (kidney) cancer, Prostate cancer, Myocardial ischemia, Myelodysplastic syndrome, Metal fume fever, Mesothelioma, Fetotoxicity (Miscarriage/spontaneous abortion; stillbirth), Arrhythmias
PFAS (Firefighting Foam) Potential Effects - - Testicular cancer, Renal (kidney) cancer, Prostate cancer
Selenium Potential Effects - - Pulmonary edema, Cirrhosis, Alopecia
Tetrachloroethanes Potential Effects Cirrhosis, Acute hepatocellular injury (Hepatitis) Steatosis (fatty liver) Acute tubular necrosis, Abnormal sperm (morphology, motility, and sperm count)
Zinc Potential Effects Skin ulceration - Testicular cancer

If you trained at Limestone Hills Training Area and later experienced adverse health effects, you may be eligible for compensation.

*Effects are according to the Center for Disease Control and Prevention’s Agency for Toxic Substances & Disease Registry unless otherwise noted.