HEALTH CONSULTATION
STEPHENSON BENNETT MINE
ORGAN, DONA ANA COUNTY, NEW MEXICO
| (1) | Residential soil samples and dust samples collected inside the homes contained lead at concentrations of health concern. |
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| (2) | Zinc and cadmium contamination in residential soil and cadmium in house dust does not pose a significant health hazard. |
| (3) | Soil and house dust samples from some locations contained arsenic at levels of health concern. Soil samples that contain elevated concentrations of arsenic also contained very high concentrations of lead. |
| (4) | Ambient air particulate samples contained arsenic at concentrations of health concern. |
| (1) | Remediate lead and arsenic contamination at the source (Stephenson Bennett Mine) and in residential soils that exceed the cleanup levels. |
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| (2) | Delay interior house cleaning until outdoor sources of contamination are removed. |
| Kenneth G. Orloff, Ph.D., DABT Senior Toxicologist |
| (1) | Agency for Toxic Substances and Disease Registry; Toxicological Profile for Lead - Update; ATSDR/TP-92/12; April 1993. |
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| (2) | Agency for Toxic Substances and Disease Registry; Exposure Investigation for Stephenson Bennett Mine; July 28, 1997. |
| (3) | Agency for Toxic Substances and Disease Registry; Toxicological Profile for Arsenic - Update; TP-92/02, April 1993. |
| (4) | U.S. Environmental Protection Agency; Air Quality Criteria for Lead; page 10-50; Volume III; EPA-600/8-83/028cF; June 1986. |


