This thesis estimates the spatial extent of chlorinated solvent contamination of the soil at the Naval Air Station, Dallas, then estimates the fate and transport of these contaminants, over time, using the Soil Transport and Fate database and the Vadose-Zone Interactive Processes (VIP) modeling software. Geostatistical analysis identifies two areas with serious chlorinated solvent contamination. Fate and transport modeling estimates that this contamination will degrade and disperse from the soil phase to below regulatory limits within one year, although there is a risk of groundwater contamination. Contaminants are estimated to persist in the water and air phases of the soil. Further sampling is recommended to confirm the results of this study.

Sociolinguists working in Northern urban areas have shown that Hispanics who come in contact with African Americans sometimes acquire features of African American vernacular English (AAVE). However, the acquisition of AAVE features by Hispanics in the South has yet to be documented. Specifically, no one has studied the kind of English that Hispanics in Texas are acquiring. The present study investigates this issue through research in an inner-city area of Dallas: Oak Cliff. During the past twenty-five years, the population of Oak Cliff has changed from a largely African American community to include a substantial number of Hispanics. Though their neighborhoods remain fairly separate, sports and gangs provide an arena for extended contact. This study investigates the extent to which AAVE grammatical features are being acquired by bilingual Hispanic adolescents who hang out with African Americans. The analysis for this paper focuses on the relationship between contact and depth of acquisition of AAVE syntactic constraints on the use the copula (is/are, be). Preliminary results show that be+V+ing as an habitual form has been incorporated into the grammar of these subjects, suggesting fundamental changes towards an AAVE grammatical system.

Little research has addressed the degree to which domestic violence is mutual and whether patterns are stable across women's relationships. Studies that exist have conflicting results. This study addressed these issues and the effects of sustaining past violence on women's expressions of violence in their current relationship. Archival data from a sample of severely psychologically abused community women (N = 92) and a sample of low-income community women (N = 836) were analyzed. Results showed the presence of mutual violence in women's current relationships which was not related to past partners' violence. Results regarding the stability of violence are weak, but indicate that the frequency and severity of violence across relationships sustained by women does not decrease across relationships. Overall, results supported the hypothesis that violence is mutual in the relationships of community women, although specific patterns may differ by ethnicity.

Ninety-nine African-American undergraduates, at a historically Black college, completed the African American Acculturation Scale to compare fraternity/sorority members with independents' participation in Black cultural traditions versus dominant White society. Greek members were hypothesized to be more traditional, because these organizations represent ethnic enclaves, have duplicate institutions, and communicate ethnic socialization; findings did not support this, but reasons for joining did. They were more superstitious in their beliefs than nonmembers, likely related to pledgeship and initiation rituals. Validity data on the new measure were provided. Why participants join fraternities, why they like/dislike them, and what purposes they serve was also examined.