In 2002, EPA Region 4 independently performed an analysis of other data to develop a county-by-county Air Toxics Relative Risk Screening Analysis, which indicated that Jefferson County had the highest risk of the Southeast region.
ɪn tˈuː θˈaʊzənd tˈuː, ˌiːpˌiːˈeɪ ɹˈiːdʒən fˈoːɹ ˌɪndᵻpˈɛndəntli pɚfˈɔːɹmd ɐn ɐnˈæləsˌɪs ʌv ˈʌðɚ dˈeɪɾə tə dɪvˈɛləp ɐ kˈaʊntibaɪkˈaʊnti ˈɛɹ tˈɑːksɪks ɹˈɛlətˌɪv ɹˈɪsk skɹˈiːnɪŋ ɐnˈæləsˌɪs, wˌɪtʃ ˈɪndᵻkˌeɪɾᵻd ðæt dʒˈɛfɚsən kˈaʊnti hæd ðə hˈaɪɪst ɹˈɪsk ʌvðə sˈaʊθiːst ɹˈiːdʒən.