por California Environmental Protection Agency. Department of Toxic Substances Control. Alternative Technology Division | Metropolitan Water District of Southern California. Source Reduction Research Partnership | Risk Reduction Engineering Laboratory (Estados Unidos). Pollution Prevention Research Branch.
por Estados Unidos. Agencia de Protección Ambiental | California Environmental Protection Agency. Department of Toxic Substances Control. Alternative Technology Division | Pollution Prevention Research Branch Risk Reduction Engineering Laboratory. Office of Research and Development | Source Reduction Research Partnership. Metropolitan Water District of Southern California. Environmental Defenses Fund.