I	Average Concentration	AC 
J	Minimum Concentration	LC 
K	Maximum Concentration	HC 
M	Average Loading (lbs/day assumed)	AL 
P	Minimum Loading (lbs/day assumed)	LL 
Q	Maximum Loading (lbs/day assumed)	HL 
R	Number of Exceptions	NE 
T	Frequency of Analysis	FA 
W	Type of Sampling	ST 
!	Minimum Concentration (30 days)	LCX
?	Maximum Concentration (30 days)	HCX
@	Maximum Loading (30 days)	HLX
&	Mass Units. 	MU 
=	Number of analyses 	#A 
