/ 383, 384 

 ^7/371, 372, 374 



"1/ J / Escambia Bay 



Perdido JJ ^ , - 



B| CLOSED TO SHELLFISHING* 

 c=£> MAJOR DOMESTIC POLLUTION 

 ^^ MAJOR INDUSTRIAL POLLUTION 



'See legend below 



Figure 44. — The distribution of major sources of pollution and areas that are closed to shellfishing. Only estu- 

 arine areas that are affected by pollution are named. Underlined place names are those places where at least 

 some part is closed to shellfishing. 



(19-38 m 3 ) of Bunker C type crude oil in Tampa 

 Bay on February 13, 1970 (Anonymous, 1970). 

 Waste heat from cooling waters of power 

 plants has not yet become a serious problem. 

 The law sets 93°F (34°C) as the upper limit 

 for cooling water returned to the environment 

 (Ch. 28-5.05 g, Supp. 52, Fla. Statutes) . Under 

 Water Temperature above, we showed that a 

 maximum of about 92°F (33°C) was recorded at 

 several estuarine stations. The only proposed 

 nuclear power plant on this coast is under con- 



struction on the Gulf shore near Crystal River 

 (Anonymous, 1969) . The site is about 7 statute 

 miles (11 km) northeast of the city of Crystal 

 River near the place in Fig. 15 marked "stack." 

 Although pesticides, polychlorinated biphenyls 

 (PCB's), other chlorinated compounds (see 

 Abelson, 1970), heavy metals such as mercury 

 and lead, and radionuclides are not specifically 

 mentioned, the Florida Statutes prohibit the in- 

 troduction of deleterious or toxic substances into 

 the water (Ch. 28-5.02, Supp. 52) . The eggshells 



111 



