16 paper goods and printed matter, namely, brochures, pamphlets magazines, catalogues, journals, manuals, texts, instructional and teaching materials, and compilations for use in the field of water pollution, research, and control
41 educational services, namely, providing courses of instruction, conducting seminars, distributing educational materials, and rendering consultation services therewith in the field of water pollution, research, and control
42 association services, namely, promoting public awareness and the interests of those in the water pollution, research, and control field, and related environmental issues