Marguerite Hafen

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In order to assess the amount and distribution of lead pollution in soils adjacent to a major interstate highway serving the city of Tampa, Florida, a total of 224 samples were collected from 32 transects perpendicular to the roadway. The lead content was measured using atomic absorption spectrophotometry. The highest levels of lead were found at distances(More)
INTRODUCTION Writing has always been recognized as an important communication skill, but recently universities have come to recognize that writing skills need to be taught within disciplines as well as in writing classes. The Pennsylvania State University has established a writing-intensive requirement for all undergraduates which must be fulfilled through(More)
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