Mississippi River at Lock and Dam 25 (Agency code: M241.4K) 

Descriptive Statistics of Concentration Data (Milligrams/Liter)

                  TN_N     NOx_N     NHx_N      TP_P     SRP_P       TSS        Cl   SiO2_Si
Total obs. =       128       134       134       121       135       132       133       132
Start date =  06/12/91  06/12/91  06/12/91  06/12/91  06/12/91  06/12/91  06/12/91  06/12/91
End date   =  04/22/98  04/22/98  04/22/98  04/22/98  04/22/98  04/22/98  04/22/98  04/22/98
Mx smp int days=    90       148       148        90       148        84        95       148
Mean samp int=    19.7      18.8      18.8      20.9      18.7      19.1      19.0      19.1
Stdv samp int=    13.7      15.2      15.2      14.2      15.1      12.2      13.1      15.7
Mean conc. =      3.72      2.41     0.184     0.204     0.096      77.2      19.3      3.98
Stdev conc.=      1.70      1.19     1.158     0.082     0.405      72.5      10.0      2.09
Min conc.  =      1.18      0.01     0.001     0.059     0.001       0.0       1.6      0.14
25% conc.  =      2.52      1.61     0.020     0.155     0.030      32.3      15.9      3.20
Med. conc. =      3.54      2.34     0.041     0.193     0.049      51.2      18.0      4.11
75% conc.  =      4.55      3.17     0.076     0.234     0.094     111.3      20.6      4.90
Max conc.  =     13.34      5.54     13.39     0.504     4.740     392.1     116.0     20.28

Flow summaries are in the LOADEST2 diagnostic information

TN_N    = Total Nitrogen (as N)
NOx_N   = Total Nitrate + Nitrite (as N)
NHx_N   = Dissolved Ammonia (as N)
TP_P    = Total Phosphorus (as P)
SRP_P   = Soluble Reactive Phosphorus (as P)
TSS     = Total Suspended Solids
Cl      = Dissolved Chloride (as Cl)
SiO2_Si = Dissolved Silicon (as Si)