Table 1.7 shows average sanitary wastewater production in residential areas. Note that the normalization is per person (per capita means per person).

1.4.2 Commercial

Wastewaters are also produced in the course of doing business. These businesses may include such commercial activities as hotels and motels, restaurants, transportation terminals, office buildings, movie theaters, barber shops, dance halls, stores, shopping centers, commercial laundries, car washes, and service stations. These activities are classified as commercial—year-round activities as opposed to some commercial activities that are seasonal and related to recreational activities, thus, classified as recreational. Table 1.8 shows some average flow rates from these commercial establishments.

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