TC	total carbon	%	
TOC	total organic carbon	%	
TIC	total inorganic carbon	%	
TS	total sulfur	%	
TSO4	total sulfate sulfur	%	
TSS	total sulfide sulfur	%	
AP	acid generation potential	kg CaCO3 eq t-1	
NP	neutralization potential	kg CaCO3 eq t-1	
NPR	net potential acid generation	-	
NNP	net neutralization potential	kg CaCO3 eq t-1	
NAG	net acid generation	kg H2SO4 eq t-1