Manual for evaluating public drinking water supplies :
Manual for evaluating public drinking water supplies : a manual of practice recommended by the Public Health Service /
Department of Health, Education, and Welfare, Public Health Service, Consumer Protection and Environmental Health Service
- xiv, 62 páginas : ilustraciones
- Public Health Service publication ; no. 1820 .
Agua potable--Estados Unidos
RA591 / M53
614/.772
Agua potable--Estados Unidos
RA591 / M53
614/.772