The meaning of COD is It aims to reduce environmental health and safety impacts of products over their entire life cycles from raw materials extraction up to disposal of products. Answer. Waste and stream segregation are good operating practices. Select one: True False

Problem 2. The consumption of nitrates in drinking water is a particular concern for young children. Nitrates are a problem in agricultural areas of the Midwest due to fertilizer runoff. Compare the CDI over a one-year period for a 1-year-old child and an adult female consuming drinking water with a nitrate concentration of 10 mg/1. Use the EPA recommended values shown in Table 3-8.

Short answer question: Explain the difference between consumptive water uses and non-consumptive water uses.

Wastewater discharges from two businesses were sampled. The BOD concentrations from Company “A” and Company “B” were 400 mg/L and 250 mg/L within DO concentrations 2.5 mg/L and 6.2 mg/L, respectively. Which company discharge would cause the greatest reduction in Nitrogen concentration (nitrification) in the body of water the discharge was flowing into? Group of answer choices B A and B None of these A