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Dr. Lynn Collins serves as faculty mentor for this group and as faculty advisor of La Salle 's Psi Chi chapter ( see page 25 for a photograph and information about Dr. Collins ) . Diagonal curb ramps that require pedestrians who use wheelchairs to follow a different route than other pedestrians , where they may not be expected by or may be less visible to a driver , increase the potential for pedestrian - vehicular conflict ( SEE FIGURE 25 ) . In 2002 alone , FEMA issued Federal Disaster Declarations twice in all three territories following typhoons ( see page 25 for a description of these storms ) . All proposals for renewed support of research projects , from academic institutions only , must include information on human resources development at the postdoctoral , graduate and undergraduate levels as part of Results from Prior NSF Support ( see endnote 25 ) . Recommendation 4.2 : Federal policy should distinguish between research studies that pose minimal risk and those that pose more than minimal risk ( see Recommendation 2.5 ) . The dispersion tensor is anisotropic if the longitudinal dispersivity or either of the two transverse dispersivities varies with the direction of ground-water flow ( see Section 2.5 of the SUTRA documentation for details ) .