ADI	acceptable daily intake
AL	aluminum;
AMF	arbuscular mycorrhizal fungi
As	arsenic
BAF	bioaccumulation factor
BW	body weight
Cd	cadmium
CDI	chronic daily intake
cm	centimeter
Co	cobalt
COOH	carboxylic acid group
Cr	chromium
CR	cancer risk
Cu	copper
DIs	daily intake
EC	European Commission
EF	enrichment factor;
EFSA	European Food Safety Authority;
FAO	Food and Agriculture Organization
FAOSTAT	Food and Agriculture Organization Statistics
FDA	US Food and Drug Administration
Fe	iron
GRiSP	Global Rice Science Partnership
Hg	mercury
HI	hazard index
HM	heavy metal
HQ	hazard quotient
HRA	health risk assessment
HRI	health risk index
IARC	International Agency for Research on Cancer
IR	ingestion rate
IRRI	International Rice Research Institute
JECFA	Joint Expert Committee on Food Additives
MMA	monomethylarsonic acid
MMT	million metric tons
Mn	manganese
Ni	nickel
Pb	lead
ppb	parts per billion;
RfD	oral reference dose
RIVM	Rijksinstituut voor Volksgezondheid en Milieu
Sb	antimony
TCR	target cancer risk
TDI	tolerable daily intake
TF	translocation factor
THQ	target hazard quotient
USEPA	US Environmental Protection Agency
WHO	World Health Organization
Zn	zinc