Environmental Services Department,
City of San Diego,
9601 Ridgehaven Court,
San Diego, CA 92123-1636.

Dirección de Servicios Públicos,
Ayuntamiento de Tijuana,
Palacio de Gobierno Municipal,
Ave. Independencia y Paseo Tijuana,
Tijuana, B.C. 22320, México.

California Environmental Protection Agency,
Integrated Waste Management Board,
1001 I Street,
P.O. Box 4025,
Sacramento, CA 95812.

U.S. Environmental Protection Agency, Region IX,
75 Hawthorne Street, H-W-3,
San Francisco, CA 94105-3901.

Science Applications International Corporation (SAIC),
10260 Campus Point Drive,
San Diego, CA 92121.

Facultad Internacional de Economía,
Universidad Autónoma de Baja California,
Calzada Tecnológico S/N, Mesa De Otay,
Tijuana, B.C. 22390, México.

Institute for Regional Studies of the Californias,
San Diego State University,
5500 Campanile Drive,
San Diego, CA 92182-4403.