TABLE 54.  LAYER ANAEROBIC LAGOON LIQUID CHARACTERISTICS *
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Parameter Unitsa Total Parameter Concentration Parameter Mass
No of ------------------------------------------------------------------------------- ------------------lb/day/---------------
Observ minimum maximum median mean std dev bird 1000 lb
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Liquidb gal/4 lb/day estc - - - 0.070 - 0.59 147
Density lb/gal est - - - 8.3 - - -
TS %wb 56 0.15 1.2 0.42 0.49 0.26 0.0029 0.73
TSS %db 5 19 65 30 38 16 0.0011 0.28
VS %db 29 33 57 44 45 6.1 0.0013 0.33
VSS %db 5 9.6 30 18 20 8.3 0.00057 0.14
ALKA mg/L 28 1727 5127 2980 3219 990 0.0019 0.47
BOD5 mg/L 17 61 1571 262 666 478 0.00039 0.098
COD mg/L 49 1008 8700 2342 2955 1779 0.0017 0.43
HARD mg/L 9 158 455 336 319 112 0.00019 0.047
TOC mg/L 9 498 1721 705 859 383 0.00050 0.13
VA mg/L 7 50 2176 414 926 812 0.00054 0.14
pH 53 7.0 8.6 7.7 7.7 0.32 - -
TKN lb/acre-inch 88 45 453 169 179 90 0.00046 0.12
NH3N %tkn 45 63 100 86 85 7.4 0.00039 0.099
NO3N lb/acre-inch 6 0.0036 3.2 0.025 0.70 1.2 0.0000018 0.00045
P2O5 lb/acre-inch 86 13 159 46 46 26 0.00012 0.030
PO4 %p2o5 28 65 97 85 84 8.8 0.00010 0.025
K2O lb/acre-inch 88 27 787 238 279 173 0.00072 0.18
As lb/acre-inch 1 0.010 0.010 0.010 0.010 - 0.000000027 0.0000067
B lb/acre-inch 26 0.038 0.50 0.25 0.25 0.13 0.00000065 0.00016
Ca lb/acre-inch 78 7.8 71 24 29 14 0.000076 0.019
Cd lb/acre-inch 1 0.00045 0.00045 0.00045 0.00045 - 0.0000000012 0.00000029
Cl lb/acre-inch 32 46 245 77 92 46 0.00024 0.060
Cr lb/acre-inch 1 0.0077 0.0077 0.077 0.0077 - 0.000000020 0.0000050
Cu lb/acre-inch 46 0.016 0.52 0.096 0.12 0.11 0.00000032 0.000081
Fe lb/acre-inch 44 0.40 3.9 1.5 1.6 0.87 0.0000042 0.0011
Hg lb/acre-inch 1 0.00014 0.00014 0.00014 0.00014 - 0.00000000036 0.000000091
Mg lb/acre-inch 78 1.9 29 6.9 9.3 6.3 0.000024 0.0060
Mn lb/acre-inch 49 0.023 0.50 0.16 0.19 0.12 0.00000048 0.00012
Na lb/acre-inch 61 23 136 45 50 23 0.00013 0.032
Ni lb/acre-inch 6 0.22 0.38 0.33 0.32 0.055 0.00000082 0.00021
Pb lb/acre-inch 1 0.020 0.020 0.020 0.020 - 0.000000053 0.000013
S lb/acre-inch 33 5.7 92 5.7 17 23 0.000043 0.011
Zn lb/acre-inch 50 0.045 2.2 0.29 0.42 0.40 0.0000011 0.00027
Cond umho/cm 47 3373 13800 5750 6526 2245 - -
FC col/100 mL 3 1.50E+05 2.70E+05 2.70E+05 2.32E+05 5.44E+04 6.17E+05 154196952
TC col/100 mL 3 1.50E+05 2.40E+06 2.40E+06 1.65E+06 1.06E+06 4.40E+06 1.10E+09
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* References:Biological & Agricultural Engineering Dept, North Carolina State University, Jan 1994.
Agronomic Division, North Carolina Department of Agriculture & Consumer Services.
a All concentrations as is or wet basis (wb) except as noted dry matter basis (db); all mass values wb.
b Estimated lagoon liquid includes manure, excess water usage, average annual lagoon surface rainfall surplus;
does not include fresh water for flushing or lot runoff.
c Mean value extrapolated from other data; measured values not available.