Environmental Sampling for Hazardous Wastes by Glenn E. Schweitzer and John A. Santolucito (Eds.)

By Glenn E. Schweitzer and John A. Santolucito (Eds.)

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Extra info for Environmental Sampling for Hazardous Wastes

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At both the RSR and reference s i t e s , the areas with high t r a f f i c density had s i g n i f i c a n t l y higher s o i l lead content than the low t r a f f i c density areas. Blood Chemistry Data. A l l blood specimens were obtained by veni­ puncture. The erythrocyte protoporphyrin (EP) was measured by the extraction method. Blood lead determinations were done i n quadrup­ l i c a t e and are presented as an arithmetic mean of the four r e p l i c a t e s . Lead Levels in Blood of Children 7.

The same location was used i n each room of each i n d i v i d u a l house. F i f t y percent of the determinations were made on painted walls, and the other f i f t y percent were made on the trim paint. 2 milligrams per square centimeter. 5 mg/cm . 2 7. CARRA 55 Lead Levels in Blood of Children Table II shows that houses In the reference area contained sig­ n i f i c a n t l y more lead paint than houses around either the RSR or Dixie s i t e , while the RSR area contained more than the Dixie area.

Mean, volume weighted, TCDD concentrations i n the sprayed and d i s persed areas were 469 and 31 ppb, respectively. Concentrations i n i n d i v i d u a l composite samples collected from sprayed areas ranged up to 1,800 ppb. About 90 percent of the TCDD was contained i n 13 percent of the s o i l volume. Experimental Sampling and Presentation of Data The sampling took place between August 16 and 24, 1983. Most of the 274 samples collected for shipment to contract laboratories were to be analyzed f o r the purpose of more f u l l y delineating contamination boundaries.

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