000 02419nam a2200277 4500
001 393957
090 _a393957
100 _a20160530d2014 y0pory50 ba
101 _aeng
200 _aInterpretation of ignitable liquid residues in fire debris analysis
_bRecurso eletrónico
_eeffects of competitive adsorption, development of an expert system and assessment of the false positive/incorrect assignment rate
_fJ. Graham Rankin, Nicholas Petraco
210 _a[Rockville, MD]
_cNational Criminal Justice Reference Service (NCJRS)
_d2014
215 _a1 CD-ROM
_d12 cm
300 _aResearch report submitted to the U.S. Department of Justice, Award Number: 2010-DN-BX-K272. Ficheiro de 6,93 MB em formato PDF (153 p.).
330 _aTitle page. Abstract. Executive summary. Introduction. Statement of problem. Statement of rationale for the research. Effect of substrates. Development of an expert system. Determination of error rates. Ignitable liquid pour patterns. METHODS: Competitive adsorption effects on fire debris analysis. Expert system development. Assessment of false positive rates and incorrect classification. Assessment of error rates for expert systems. Challenge samples for expert system. Ignitable liquid pour patterns. Small scale test burns. Sampling and extraction. Large scale test burns. Analysis. RESULTS: Effect of substrate on E1618. Variation with percentage charred. E1618 expert system development and graphical user interface. Challenging the expert system with spiked substrate samples. Determination of error rates by fire debris analysts. Ignitable liquid pour patterns. CONCLUSIONS. Substrate effects. Expert system. Error rate study of fire debris analysts. Ignitable liquid pour patterns. Implications for policy and practice. Implications for further research. Acknowledgements. References. Dissemination of research findings. Appendix 1: R-scripts used for analysis and GUI construction. Appendix 2: Expert system results for unknown samples.
606 _aPRODUTO INFLAMÁVEL
_9343931
606 _aINCÊNDIO
_9243828
606 _aANÁLISE DE VESTÍGIOS
_9320649
606 _aCIÊNCIA FORENSE
_9321508
606 _aQUÍMICA FORENSE
_9343048
700 _aRANKIN
_bJ. Graham
_9358109
701 _aPETRACO
_bNicholas
_9350421
955 _xOferta