Which of the following is NOT considered a problem in the textile industry?

• A. Color pollution
• B. Cyanide
• C. Biochemical Oxygen Demand (BOD)
• D. Total Suspended Solids (TSS)

Answer: (B)

The main idea is recognizing which pollutants are typically associated with textile wastewater. In textile operations, color pollution from dyes is a major concern because dyed effluent can discolor water and affect aquatic life; Biochemical Oxygen Demand reflects the large amount of biodegradable organic matter from dyes, detergents, and finishing agents, signaling how much oxygen will be consumed as wastewater decomposes; Total Suspended Solids come from fibers, fillers, and other solids that remain suspended and can cause turbidity and sludge problems. Cyanide, on the other hand, is not a common constituent of textile effluent and is more characteristic of industries like metal finishing or mining, where cyanide-containing processes are used. Because of that, cyanide is not considered a typical textile industry problem, making it the best choice for what is NOT a standard issue in textile wastewater.