Column Headings	Description
Alkalinity	"Alkalinity,(mg/L asCaCO3)"
Alkal_lab	"Alkalinity,lab(mg/Las CaCO3)"
Bromide	"Bromide,dissolved(mg/Las Br)"
Ca_dis	"Calcium,dissolved(mg/Las Ca)"
C_org_dis	"Carbon,organic dissolved(mg/L as C)"
C_org_sus	"Carbon,organic suspended(mg/L as C)"
C_org	"Carbon,organic total(mg/L as C)"
Cl_dis	"Chloride,dissolved(mg/Las Cl)"
Color	"Color,(platinum cobalt units)"
Cyanide	"Cyanide,dissolved(mg/L as Cn)"
Fluor_dis	"Fluoride,dissolved(mg/Las F)"
Hard_tot	"Hardness,total(mg/Las CaCO3)"
H2S	"Hydrogen sulfide,(mg/Las H2S)"
Mg_dis	"Magnesium,dissolved(mg/L as Mg)"
Nitro_dis	"Nitrogen ammonia,dissolved(mg/L as N)"
Nitrate_dis	"Nitrogen nitrate,dissolved(mg/L as N)"
Nitrite_dis	"Nitrogen nitrite,dissolved(mg/L as N)"
N_org_dis	"Nitrogen ammonia plus organic,dissolved(mg/L as N)"
N_org_sus	"Nitrogen ammonia plus organic,suspended(mg/L as N)"
N_org_tot	"Nitrogen ammonia plus organic,total(mg/L as N)"
NH4	"Nitrogen,ammonia dissolved(mg/Las NH4)"
pH	"pH,lab(standard units)"
Phos_dis	"Phosphorus,dissolved(mg/L as P)"
Phos_tot	"Phosphorus,total(mg/L as P)"
P_ortho	"Phosphate ortho,dissolved(mg/L)"
POP_dis	"phorus orthophosphate,dissolved(mg/L as P)"
K_dis	"Potassium,dissolved(mg/L as K)"
K40	Potassium 40 dissolved(mg/L as K40)
Resid_tot	"Residue,total(mg/L)"
Resid_nonfil	"Residue,total nonfilterable(mg/L)"
SiO2	"Silica,dissolved(mg/L as SiO2)"
Na_dis	"Sodium,dissolved(mg/L as Na)"
Solids	"Solids,(mg/L)"
Solids_dis	"Solids,dissolved(mg/L)"
Spec_Cond	"Specific conductance,at 25deg. C(uS/cm)"
SO4	"Sulfate,dissolved(mg/Las SO4)"
Sulfide	"Sulfide,total(mg/Las S)"
Turbid	"Turbidity,(NTU)"

Other abbreviations	
E	Estimated Value
- 	no data available
(mg/L)	miligrams per liter
<	Less than - signifies that the number that follows is the method detection limit
ND	"No value was detected, but the detection limit is not known"
MCL	Environmental Protection Agency maximum contaminant level
SMCL	Environmental Protection Agency secondary maximum contaminant level