MIL-HDBK-1138
Table 5
Comparison of Septage and Domestic Wastewater(1)
Domestic
Ratio of Septage
Parameter
Septage(2)
Wastewater
to Wastewater
TSS
15,000
220
68:1
VSS
10,000
165
61:1
BOD5
7,000
220
32:1
COD
15,000
500
30:1
TKN
700
40
17:1
NH3-N
100
25
4:1
Total P
250
8
31:1
Alkalinity
1,000
100
10:1
Grease
8,000
100
80:1
pH
6.0
--
--
Source: EPA Septage Treatment and Disposal Handbook,
October 1984
(1) Values expressed as mg/L, except for pH.
(2) Based on suggested design values in Table 4.
BOD5 = 5-day Biochemical oxygen TKN = Total Kjeldahl
demand
COD
= Chemical oxygen demand
TSS = Total suspended
solids
P
= Phosphorus
VSS = Volatile suspended
solids
6.3.1
Monitoring Procedures. Procedures should be
established to monitor the volume and characteristics of incoming
septage flows. These procedures should generally include the
following:
a) Record the name of the hauler, the origin of the
septage, and the time of arrival.
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