Home > Uncategorized > Anthropology Dissertation of Arpad Vass, Ph.D.

Anthropology Dissertation of Arpad Vass, Ph.D.

“Time since death determinations of human cadavers utilizing soil solution.”

Click here to retrieve the anthropology dissertation written by Dr. Arpad Alexander Vass, an expert witness for the prosecution in the Casey Anthony murder trial.

The dissertation was chaired by Professor Emeritus William Bass, a physical anthropologist.

APA reference:

Vass, A. A. (1991). Time since death determinations of human cadavers utilizing soil solution (Doctoral dissertation.) Retrieved from ProQuest Dissertations and Theses Database. (AAT 9212804)

Abstract of the dissertation:

This study was conducted to collect data on specific volatile fatty acid (produced from soft tissue decomposition) and various anions and cations (liberated from soft tissue and bone), deposited in soil solution underneath decomposing human cadavers as an aid in determining the “Time Since Death”. Seven nude subjects (two black males, a white female and four white males) were placed within a decay research facility at various times of the year and allowed to decompose naturally. Data were amassed every three days in the spring and summer, and weekly in the fall and winter. Analyses of the data reveal distinct patterns in the soil solution for volatile fatty acids during soft tissue decomposition and for specific anions and cations once skeletonized, when based on Accumulated Degree Days. Decompositional rates were also obtained which provide valuable information for estimating the ‘maximum time since death’. Melanin concentrations observed in soil solution during this study also yields information directed at discerning racial affinities. Application of these data can significantly enhance ‘time since death’ determinations currently in use.

Short URL for this post:http://tinyurl.com/drvass

  1. June 6, 2011 at 9:26 pm | #1

    Fine and dandy but I have a problem with one-sided studies. Does Dr. Vass offer any irrefutable and conclusive proof that the conditions he documented cannot occur in areas that have no decaying cadavers?

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