Longhorn Army Ammunition Plant
Base Background
Location
15600, Farm to Market 134, Karnack, Texas, 75661, United States
Years of Operation
1942-1997
Longhorn Army Ammunition Plant was established during World War II as a TNT production site. This facility manufactured ammunition throughout the 20th century and officially closed in 1997. It was classified as a Superfund site in 1990 following the discovery of contamination.
Known Toxins
The following chart outlines the toxins associated with this military location and the potential effects of exposure.*
| Toxin | Potential Effects | |||
|---|---|---|---|---|
| Strong | Good | Limited | ||
| 1,3-dinitrobenzene | Potential Effects | - | - | - |
| 1,3,5-trinitrobenzene | Potential Effects | - | - | - |
| 2,6-dinitrotoluene | Potential Effects | - | - | - |
| 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 |
| Chromium | Potential Effects | Skin ulceration, Parkinson's disease/Movement disorders, Nasopharyngeal/SinoNasal cancer, Nasal septal perforation, Nasal polyps, Cholestasis, Bronchitis acute, Asthma allergic | Stomach cancer, Pulmonary fibrosis, Psychiatric disturbances, Pneumonitis hypersensitivity, Pneumonia, Photosensitivity, Peripheral neuropathy, Decreased Coordination/ Dysequilibrium, COPD chronic obstructive pulmonary disease, Chronic renal disease, Bronchitis acute, Brain cancer adult, ADD/ADHD, hyperactivity, Acute tubular necrosis | Soft tissue sarcoma, Skeletal malformations, Renal (kidney) cancer, Reduced Fertility Male (infertility and subfertility), Prostate cancer, Peripheral neuropathy, Pancreatic cancer, Neurosthenia (Organic affective syndrome), Neural tube defects/CNS malformations, Metal fume fever, Immune suppression, Fetotoxicity (Miscarriage/spontaneous abortion; stillbirth), Esophageal cancer, Erectile dysfunction, Delayed growth, COPD chronic obstructive pulmonary disease, Cognitive impairment (includes impaired learning, impaired memory, and decreased attention span), Bladder cancer, Autoimmune antibodies, positive ANA, Arrhythmias, Adult-Onset Leukemias, Abnormal sperm (morphology, motility, and sperm count) |
| Dinitrobenzene (misc.) | Potential Effects | - | - | - |
| 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) |
| Nitrobenzene | Potential Effects | - | - | Lung cancer |
| Trinitrotoluene (TNT) | Potential Effects | Cirrhosis, Acute hepatocellular injury (Hepatitis) | Steatosis (fatty liver), Methemoglobinemia, Coronary artery disease, peripheral vascular disease, atherosclerosis, Aplastic anemia | Menstrual disorders, Erectile dysfunction, Abnormal sperm (morphology, motility, and sperm count) |
| Zinc | Potential Effects | Skin ulceration | - | Testicular cancer |
Organic nitrogen compounds were also found at the site. If you were stationed at Longhorn Army Ammunition Plant 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.