Assessing clarity of message communication for mandated USEPA drinking water quality reports

Guidelines for Drinking-water Quality

398 Nitrate and nitrite Nitrate (NO 3 ) is found naturally in the environment and is an important plant nutrient. It is present at varying concentrations in all plants and is a part of the nitrogen cycle. Nitrite (NO 2 ) is not usually present in significant concentrations except in a reducing environment, as nitrate is the more stable oxidation state. It can be formed by the microbial reductio...

Guidelines for Drinking-water Quality

IARC classified PCP in Group 2B (possibly carcinogenic to humans) on the basis of inadequate evidence of carcinogenicity in humans but sufficient evidence in e xperimental animals. There is suggestive, although inconclusive, evidence of the carcinogenicity of PCP from epidemiological studies of populations exposed to mixtures that include PCP. Conclusive evidence of carcinogenicity has been obt...

Evaluation of groundwater quality for drinking purposes in Kashan using water quality indicators

Background and Objective: Groundwater is the primary water source for drinking and agricultural activities in arid and semi-arid regions. Rainfall, land use, geological structure, aquifer mineralogy, and duration of water contact with the environment in the basement are the main factors affecting the chemical quality of groundwater. This study aimed to determine the physicochemical properties o...

Court-mandated treatment for convicted drinking drivers.

Court-mandated treatment, which requires offenders convicted of alcohol or other drug-related crimes to participate in treatment for their substance abuse problems or face legal consequences, has long been a component of sanctioning for driving under the influence (DUI) and is a primary path of entry into alcoholism treatment for many people with problem drinking. Several issues are relevant to...

Guidelines for Drinking-water Quality, Fourth Edition