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Lcation<br />
(Discharge point)<br />
B*ria-Cmcepcion<br />
(Trn6-Telcahuano)<br />
Bahia-Cmcepcion<br />
(San Vicente)<br />
Chiguayante<br />
(Bio-Bio River)<br />
San Pedro<br />
(Bio-Bio River)<br />
Tmr6<br />
Araueo<br />
San Vicente Bay<br />
Bio-Bio River<br />
i) In San Vicente<br />
rneinly due to:<br />
- 270<br />
Table 6 : Pollution by industrial wastes in the VII Region of Chile<br />
(from Castilla, l98l)<br />
Industry Trcatment Discharge Pollutents<br />
vo{ume and other data<br />
m- lday<br />
19 Fishenies<br />
) Shipyerds<br />
I Mining<br />
2 Petrochemicel<br />
I Textile<br />
) Pup and paper<br />
I Textile<br />
2 F isheries<br />
I Pulp and paper<br />
2 Mining<br />
2 Wmd<br />
I Pharmac.c*remical<br />
I Metallurgy<br />
I Cernent<br />
I Plastics<br />
I Tannery<br />
Nme<br />
1,5u0<br />
Nane<br />
Sedimentation 195,610<br />
neutralization<br />
Neutralization& r8rl00<br />
separation of solids<br />
Nme 700<br />
Foam reLainer L7I,37L<br />
sieves<br />
Nste<br />
Nme<br />
Nme<br />
None<br />
?<br />
Decant. neutreliz.<br />
?<br />
?<br />
?<br />
?<br />
4,m0<br />
?<br />
90,000<br />
?<br />
?<br />
2,5OO<br />
?<br />
?<br />
?<br />
?<br />
Organic matter<br />
Various pollutants<br />
Imn reaidues, ammonia,<br />
oils, phenols<br />
Acidity, poseibly Hg<br />
Alkalinity, anilines,<br />
resins<br />
Dissolved solids, fibres,<br />
organic rnatter, dyes,<br />
chlorolignins, sodium<br />
lignate<br />
Analines<br />
Organic rnetter<br />
Dissolved solids, fibres,<br />
organic matter<br />
(lnfiltretion ponds)<br />
(Direct emitter)<br />
Sulfides, phenols, oils<br />
?<br />
(Direct emitter)<br />
(Direct emitter)<br />
?<br />
Pasible sources of oil pollutim ere the refinery and the two oil terminels located in<br />
San Vicente.<br />
The pollution problems in this area can be grmmarized s follows:<br />
Bay and the Bio-Bio Estuary, there are 'rsevere'r pollution problems,<br />
- toxicity from active cfilorine and nplallic rnercuryi<br />
- pollution by heavy nctals;<br />
- pub and paper mill westee, an oil refinery and other industriee;<br />
- leck of treatment of industrial and dqnestic westes;<br />
- harmful effects observed m organisms (crab and seaweeds);<br />
- coastel salt rnershes (Egtero Lenga) and migratory birdg affected by levels of active<br />
chlorine, mercury end cadmium.<br />
. - ii) In the Bay of Cmcepcion-Lc Reyes lelends area, there are also ,eriou8f, pollution<br />
problems due to:<br />
- eutrophication;<br />
- coastal salt rnarshes polluted with residueg of fiehing industriea;<br />
- untreeted dsneetic diacherges (Andalien river), eryecially from Concepcion;<br />
- presence of biological pollutants in leetricted areae reai the effluent dischargee in tfie bay.
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