A Municipal wastewater-treatment plant receives a seasonal discharge from a fruit processing plant. Influent flows are strengths of the water when the industry is both on- and off-line are given below. Determine the contribution of each constituent by the industry.
Parameter______________ industry on-line______________ Industry off-line
Flow m3/d.......................18,750....................................13,275
Bod5 mg/L..........................300........................................215
SS, mg/L............................420........................................240
Ammonia Mg/L.....................64..........................................15
Chloride mg/L.......................29..........................................41
Alkalinity mg/L......................57.........................................125