Nm

Source: Law, Olah, and Torres, 1985. Notes: NM = Not measured. aFrom Perrotti (1975). bApproximate range from Table 7.3.7. cApproximate range from TTO tests.

Source: Law, Olah, and Torres, 1985. Notes: NM = Not measured. aFrom Perrotti (1975). bApproximate range from Table 7.3.7. cApproximate range from TTO tests.

Table 7.3.8 compares the data on paint stripping wastewater characteristics reported by Perrotti (1975) for the U.S. Air Force and the data procured by Law, Olah, and Torres (1985). The significant differences between the two are related to the concentration ranges of COD, phenol, oil and grease, total chromium, and pH. The Navy and Air Force paint stripping wastewaters are comparable with regard to the concentration ranges of total SS and methylene chloride. The TTO concentration was not measured in the Air Force study. These data show that the Navy's aircraft paint stripping wastewater is different from that generated at the corresponding Air Force facilities. These differences have implications in terms of potential treatment technologies.

As noted throughout this section, quality characteristics of industrial wastes vary considerably depending on the type of industry. A useful parameter in describing industrial wastes is an organic matter-based population equivalent defined as:

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