Binational Vital Signs: A Quality of Life Indicator Program for the San Diego–Tijuana Metropolitan Region1

This is a study of a binational community indicator program for the San Diego–Tijuana metropolitan area (SDTMA). The key objective of the research was to produce a citizen-generated community indicator program (CIP). The study is closely based on the work of the two focus groups held in the two cities and offers a small program that has immediate practical potential for implementation. The program consists of a suite of thirty-five indicators for which data has been identified and provided. Fifteen of the indicators apply to Tijuana, twenty to San Diego. The program is built around principles of community well-being or quality of life (QOL). It is the first subregional attempt at the scale of the United States-Mexico Bi-National Region (BNR) to integrate existing environmental, social, and economic data into a single coherent program to inform community leaders about the condition of the SDTMA. The region covered by the CIP generally consists of the urbanized core of metropolitan Tijuana, the city of San Diego, and associated cities like Chula Vista and El Cajon within the southern part of San Diego County.     

Sodium monochloroacetate poisoning of greenfinches.

A large number of passerine birds, mainly greenfinches, were found dead or dying in a hedgerow close to a field of onions recently sprayed with sodium monochloroacetate (SMCA). An analytical method is described for isolating monochloroacetic acid from bird tissues, as its potassium salt, by ion exchange chromatography. The ion exchange eluate is evaporated to dryness, acidified, extracted with ether and the ethereal extract methylated with diazomethane. The concentration of the methyl ester of monochloroacetic acid is determined using the Mass Selective Detector in the selected ion mode. Chemical analysis confirmed the exposure of the birds to SMCA. It is calculated that 50 microliter of spray contained the lethal dose of SMCA for a greenfinch.     

Privacy and the Question of Technology

Law and Philosophy -