AESB	Brazilian Association of State Sanitation Companies
AGERH	State Water Resource Agency
ANA	National Agency of Waters
CCME	Canadian Council of Ministers of the Environment
CF	Contamination Factor
CONAMA	Brazilian National Council for the Environment
CRM	Certified Reference Material
DO	Dissolved Oxygen
EF	Potential Ecological Risk Index
Embrapa	Brazilian Agricultural Research Corporation
ETE	Sewage Treatment Plant
F	Fundão River
IGeo	Geoaccumulation Index
Incaper	Capixaba Institute for Research, Technical Assistance and Rural Extension
LoD	Limits of Detection
LoQ	Limits of Quantification
NIST	National Institute of Standards and Technology
NOAA	National Oceanic and Atmospheric Administration
NSF	National Sanitation Foundation
OM	Organic Matter
ORP	Oxidation-Reduction Potential
PCA	Principal Component Analysis
PEL	Probable Effect Level
RM	Reis Magos River
RMRB	Reis Magos River Hydrographic Basin
RSD	Relative Standard Deviation
S1	Sampling 1
S2	Sampling 2
SQG	Quality Guidelines and Standards
T	Timbuí River
TDA AAS	Thermodecomposition and Amalgamation Atomic Absorption Spectrometry
DMA	Direct Mercury Analyzer
TDS	Total Dissolved Solids
TEL	Threshold Effect Concentration
WQI	Water Quality Indices