Health assessment for Crystal City Airport, Crystal City, Texas, Region 6. CERCLIS No. TXD980864763. Final report

Technical Report · Wed May 11 04:00:00 EDT 1988

OSTI ID:5220560

Crystal City Airport is a 120-acre National Priorities List site. Crystal City, located in Zavala County, Texas, about 100 miles southwest of San Antonio, is in an agricultural area. The airport was the base for several companies involved in the aerial application of pesticides and herbicides. Contamination has occurred by improper storage, disposal, and/or abandonment of these products. The highest concentrations of contaminants occurred in the soil in the general areas of the hangers, with migration of minimal concentrations of some contaminants extending off-site. The exposure pathways may include ingestion of soils, dermal contact with soils, and possible inhalation of contaminated dusts. On-site exposure to current concentrations of arsenic, dichlorodiphenyltrichloroethane (DDT), and toxaphene are of public health concern and may result in acute and/or chronic adverse health effects. The main population of concern are the remedial workers, the local airport users, and infrequent trespassers. The concentration of 100 mg/kg total contaminants chosen as the cleanup level is adequate for the protection of human health provided that future land use remains similar. Should the land use change in the future, further public health considerations may be necessary.

• Research Organization: Agency for Toxic Substances and Disease Registry, Atlanta, GA (USA)
• OSTI ID: 5220560
• Report Number(s): PB-90-111501/XAB
• Country of Publication: United States
• Language: English

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