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Tennessee Department of Environment and Conservation - Division of Water Polluction Control
Exhibit B - Agronomic Application Rate Calculations Based on Nitrogen (N)
Revision 2/03/11
BACKGROUND INFORMATION/QUESTIONS
FILL IN BELOW
WWTP NAME XYZ COMPANY
WWTP NPDES PERMIT NUMBER TN000001
SITE NAME WHATEVER
COUNTY PUTNAM
E.A.C.
SITE TRACKING NUMBER XYZ001
LABORATORY NAME UNBIASED LABS
DATE OF ANALYSIS 6/18/09
SLUDGE/BIOSOLID ANALYSIS LABORATORY RESULTS
(Attached a copy of the laboratory analysis used for these calculations to this report)
TOTAL KJELDAHL NITROGEN (TKN) 47,000 mg/kg
AMMONIUM NITROGEN (NH4-N) 650 mg/kg
NITRATE + NITRITE NITROGEN (NO3-N + NO2-N) 22,000 mg/kg
NITROGEN FROM SUPPLEMENTAL FERTILIZERS (If Appropriate) lbs/acre
NITROGEN FROM IRRIGATION WATER (If Appropriate) lbs/acre
NITROGEN FROM PREVIOUS CROP (Unless 2 is based on soil testing) lbs/acre
OTHER (If Appropriate) Specify _________________________________ lbs/acre
SELECT CROP TYPE
(SELECT ONLY ONE) YES
1 - CORN (GRAIN) EXPECT YIELD 100 - 125 BUSHELS
2 - CORN (GRAIN) EXPECT YIELD 126 - 150 BUSHELS
3 - CORN (SILAGE) EXPECT YIELD 20 TONS
4 - SOYBEANS EXPECT YIELD 30 BUSHELS
5 - SOYBEANS EXPECT YIELD 40 BUSHELS
6- SOYBEANS EXPECT YIELD 50 BUSHELS
7- WHEAT EXPECT YIELD 40 BUSHELS
8 - SUMMER ANNUAL GRASS EXPECT YIELD 6 TONS (1 CUTTINGS)
9 - HYBRID HAY EXPECT YIELD 8 TONS (4 CUTTINGS)
10 - TALL FESCUE HAY EXPECT YIELD 3 TONS (2 CUTTINGS)
11 - ORCHARD GRASS HAY EXPECT YIELD 4 TONS (2 CUTTINGS)
12 - SORGHUM (GRAIN) EXPECT YIELD 60 BUSHELS
13 - COTTEN EXPECT YIELD 1 BALE / ACRE
14 - COTTEN EXPECT YIELD 1.5 BALE / ACRE
CROP TYPE (LBS N/ACRE/YEAR) Select only 1
VOLATILIZATION FACTORS KV
(SELECT ONLY ONE) YES
1 - ARE BIOSOLIDS LIQUID AND SURFACE APPLIED?
2 - ARE BIOSOLIDS LIQUID AND INJECTED INTO SOIL?
3 - ARE BIOSOLID DEWATERED AND APPLIED IN ANY MANNER?
VOLATILIZATION FACTORS KV = 0.5
MINERALIZATION RATE FM
WHAT BIOSOLID PROCESS GENERATE THE FRACTION (FM) OF
ORGANIC NITROGEN? (SELECT ONLY ONE) SELECT PROCESS
ANAEROBIC PROCESS
AEROBIC PROCESS
Process selected is Aerobic
TIME AFTER BIOSOLIDS APPLICATION (SELECT
ONLY ONE) SELECT YEARS
0 - 1 YEARS
1 - 2 YEARS
2 - 3 YEARS
MINERALIZATION RATE FM = 0.3
AGRONOMIC LOADING RATE #VALUE! tons/acre
/03/11
SELECTION # IF YES
1 FALSE
2 FALSE
3 FALSE
4 FALSE
5 FALSE
6 FALSE
7 FALSE
8 FALSE
9 FALSE
10 FALSE
11 FALSE
12 FALSE
13 FALSE
14 FALSE
CHECK SUM
CROP TYPE AMT
SELECTION # IF YES
1 TRUE
2 FALSE
3 FALSE
CHECK SUM
VOLATILE FACTOR
Selection
Process Count VALUE
FALSE 0 0
TRUE 1 20
Check Sum 1 20
RETURN
Statement Select 1 Aerobic
Return VP 20
Number of
YEARS Count VALUE
TRUE 1 1
FALSE 0 0
FALSE 0 0
Check Sum 1 1
RETURN VY 1
LOGIC TOTAL 21
FM = 0.3
COUNT N REQUIREMENT SELECTED N
0 120 0
0 150 0
0 150 0
0 100 0
0 150 0
0 190 0
0 60 0
0 120 0
0 400 0
0 120 0
0 120 0
0 60 0
0 50 0
0 90 0
0 SELECT N 0
Select only 1
Select only 1
COUNT KV SELECTED KV
1 0.5 0.5
0 1 0
0 0.5 0
1 SELECT KV 0.5
Select only 1
0.5
LOOKUP TABLE
11 0.20 ANAEROBIC FM
12 0.10 ANAEROBIC FM
13 0.05 ANAEROBIC FM
21 0.30 AEROBIC FM
22 0.15 AEROBIC FM
23 0.08 AEROBIC FM
Agronomic Application Rate Calculations Based on Nitrogen (N)
1. AVAILABLE NITROGEN FROM BIOSOLIDS
A TOTAL KJELDAHL NITROGEN (TKN)
B AMMONIUM NITROGEN (NH4-N)
C NITRATE + NITRITE NITROGEN (NO3-N + NO2-N)
D TOTAL AVAILABLE INORGANIC NITROGEN
E ORGANIC NITROGEN IN BIOSOLIDS
F AVAILABLE ORGANIC NITROGEN FOR THE FIRST YEAR OF APPLICATION
G TOTAL NITROGEN AVAILABLE FROM BIOSOLIDS
2. AVAILABLE NITROGEN IN SOIL
3. NITROGEN SUPPLIED FROM OTHER SOURCES
A NITROGEN FROM SUPPLEMENTAL FERTILIZERS (If Appropriate)
B NITROGEN FROM IRRIGATION WATER (If Appropriate)
C NITROGEN FROM PREVIOUS CROP (Unless 2 is based on soil testing)
D OTHER (If Appropriate) Specify _________________________________
E TOTAL NITROGEN FROM OTHER SOURCES
4. TOTAL NITROGEN AVAILABLE FROM EXISTING SOURCES
5. TOTAL NITROGEN REQUIREMENT OF CROP
6. SUPPLEMENTAL NITROGEN NEEDED FROM BIOSOLIDS
7. AGRONOMIC LOADING RATE
Nitrogen (N)
Calculated Units
94 lbs/ton
1.3 lbs/ton
44 lbs/ton
45 lbs/ton
93 lbs/ton
28 lbs/ton
72 lbs/ton
10 lbs/ton
0 lbs/acre
0 lbs/acre
0 lbs/acre
0 lbs/acre
0 lbs/acre
10 lbs/ton
Select only 1 lbs/acre
#VALUE! lbs/acre
#VALUE! tons/acre
