A pharmaceutical wastewater needs a minimum of BOD/N/P of 100:5:1 for biological treatment. the wastewater characteristics are BOD= 800 mg/l, among which 95 % are soluble, suspended solids 250 mg/l, soluble nitrogen as element nitrogen = 24 mg/l, and soluble phosphorous = 12 mg/l. what amount of ammonia nitrate and phosphoric acid additions would you recommend to ensure adequate nutrients for adaily flow of 30 m^3/d?