... 34 HEAVY METALS IN THE ENVIRONMENT: USING WETLANDS FOR THEIR REMOVAL waters throughout the world, recording the maximum surge of lead emissions from cars andindustry earlier in this century. ... critical, since relativelyL1401-frame-C3 Page 44 Monday, April 10, 2000 9:23 AM© 2000 by CRC Press LLC 30 HEAVY METALS IN THE ENVIRONMENT: USING WETLANDS FOR THEIR REMOVAL In this chapter ... 38 HEAVY METALS IN THE ENVIRONMENT: USING WETLANDS FOR THEIR REMOVAL Garcia et al. (1998) reported lead ranging from 10 ppm in the mushroom Coprinas comatus near city center ranging down...