Table 837 Sources Of Mercury Contamination

Natural

Mercury ores, volatilization, solution, and erosion; rocks, vol-canos, hot springs; rainfall; sediments and methylation of inorganic mercury

Man-Created

Mining and metallurgy; recovery and purification of mercury; burning fossil fuels; sewage and garbage

Industrial

Electrical apparatus (batteries, lamps, and power tubes); electrolytic chloralkali; paint (mildew proofing and antifouling); instruments (switches, relays, gauges, meters, barometers, thermometers, manometers, and pump seals); catalysts; agriculture (seed dressing, fungicides); dental preparations; general laboratory use; pharmaceuticals (diuretics, antiseptics, preservatives, and skin preparations); pulp and paper-slimicide; and miscellaneous

0 0

Post a comment