Ecology Center

Sbhc

Toluene

y-BHC

Chlordane 4,4'-DDE 4,4'-DDD

Chlordane 4,4'-DDE 4,4'-DDD

a-Endosulfan ß-Endosulfan

Endosulfan sulfate

Heptachlor

Isophorone

Figure 7.3.1 shows the components of a comprehensive industrial wastewater survey. The two main elements in a survey are (1) definition of the physical characteristics of the plant's sewer systems and (2) development of individual wastewater stream profiles. Defining the physical systems is required before information on flow characteris-

BPT Effluent Limitations

Average of daily values

Pollutant for 30

or consecutive pollutant Maximum for days shall not property any 1 day exceed