Download - POLUSI UDARA & DAMPAKNYA
POLUSI UDARA&
DAMPAKNYA
MK. PENDUGAAN DAMPAK LINGKUNGAN
Smno.psdl.ppsub.2013
POLUSI / PENCEMARAN MELIPUTI
• Pencemaran udara penyebabnya: (CO2, CO, SO2, NO, NO2, CFC, debu)
• Pencemaran air penyebabnya: (deterjen,plastik, L.RT, L.I, L.P).
• Pencemaran tanah penyebabnya: (deterjen, plastik, L.RT, L.I, L.P)
• Pencemaran suara penyebabnya (industri, pesawat terbang, kendaraan bermotor, dll).
Definition
Air pollution may be defined as the presence in the air (outdoor atmosphere)
of one or more contaminants or combinations thereof in such quantities and of such durations as may be or tend to be injurious to human, animal or plant life, or property, or which unreasonably
interferes with the comfortable enjoyment of life or property or conduct of business.
POLLUTAN UDARAIt is a substance or effect dwelling temporarily or
permanently in the air , which adversely alters the environment by interfering with the health, the comfort, or the food chain, or by interfering with the property values of people.
A pollutant can be solid (large or sub-molecular), liquid or gas .
It may originate from a natural or anthropogenic source (or both).
It is estimated that anthropogenic sources have changed the composition of global air by less than 0.01%.
However, it is widely accepted that even a small change can have a significant adverse effect on the climate, ecosystem and species on the planet.
Examples of these are acid rain, ozone in the lower atmosphere, and photochemical smog.
PENYEBAB PENCEMARAN UDARA
• Berasal dari industri / pabrik yang menggunakan bahan bakar minyak bumi / batu bara.
• Kendaraan bermotor (sarana transportasi).• Pendingin yang menggunakan bahan CFC
(chloro fluoro carbon) / freon.• Serta kegiatan manusia lainnya.
PENGARUH TERHADAP LINGKUNGAN & KESEHATAN MANUSIA
• Menimbulkan hujan asam (penyebabnya SO2 dan NO2 yang bergabung dengan uap air di udara).
• Kerusakan pada bangunan terutama yang terbuat dari bahan logam/besi.
• Rusaknya berbagai macam tumbuhan.• Gangguan pada sistem pernapasan manusia,
kanker paru-paru, asma dll).• Pemanasan global ( global warming).
POLUSI / PENCEMARAN UDARA
• Asap cerobong pabrik. Asap cerobong pabrik.
POLUSI UDARA DAPAT MENYEBABKAN HUJAN ASAM
Sumber: http://undertheangsanatree.blogspot.com/2013/07/acid-rain-causes-history-and-effects.html
PENCEMARAN AIR
Sumber: http://www.eea.europa.eu/themes/water/water-pollution
PENYEBAB POLUSI AIR
• Limbah rumah tangga. (detergen, sampah, kotoran/tinja manusia).
• Limbah Industri. (Hg, Pb, Cu, dan logam berat lainnya).
• Limbah Pertanian. (pupuk urea, insectisida, herbisida, dll).
• Pertambangan minyak lepas pantai.• Kebocoran minyak tanker dll.
PENCEMARAN AIR
Limbah industri Limbah industri
PENCEMARAN AIR-TANAH
SUMBER: http://ww2.valdosta.edu/~kkeene/topic.html
AIR BEBAS POLUSIAir siap diminum Air bebas polusi
AIR MINUM YANG TERKONTAMINASI PERTISIDA
Air tercemar racun serangga
PENYEBAB PENCEMARAN TANAH
• Kegiatan pertanian (pupuk buatan, herbisida, insectisida).
• Limbah rumahn tangga (sampah organik terutama sampah anorganik, yang susah diuraikan oleh bakteri).
• Limbah pertambangan (terutama tambang emas yang menggunakan mercury / Hg untuk memisahkan emas dari bijihnya).
PENYEBAB POLUSI SUARA
• Mesin industri.• Mesin kendaraan bermotor.• Mesin pesawat terbang.Tingkat kebisingan terjadi bila intensitas
bunyi melampaui 50 desibel (db).Dapat mengganggu manusia terutama dari
psikis / kejiwaan.
USAHA YANG DAPAT DILAKUKAN MANUSIA UNTUK MENCEGAH PENCEMARAN LINGKUNGAN
• Pengolahan / pemrosesan limbah industri maupun rumah tangga sebelum dibuang ke lingkungan.
• Lokalisasi daerah industri, jauh dari pemukiman penduduk.
• Memperluas reboisasi / penghijauan.• Memberikan penyuluhan pada masyarakat dan
memberikan tindakan tegas bagi para pelaku perusak lingkungan, supaya jera.
PENANGANAN LIMBAH ORGANIK DAN ANORGANIK.
1. Pemanfaatan untuk makanan ternak.
2. Untuk membuat pupuk kompos.
3. Pemanfaatan untuk biogas.
4. Daur ulang (plastik, kertas, logam dll)
Konsentrasi CO2 Atmosfir
Konsentrasi CO2 Atmosfir
Konsentrasi CO2 Atmosfir
National Ambient Air Quality Standards
Pollutant Primary Stds. Averaging Times Secondary Stds.
9 ppm (10 mg/m3)
8-hour1 None Carbon Monoxide
35 ppm (40 mg/m3)
1-hour1 None
Lead 1.5 µg/m3 Quarterly Average Same as Primary
Nitrogen Dioxide 0.053 ppm (100 µg/m3)
Annual (Arithmetic Mean)
Same as Primary
50 µg/m3 Annual2 (Arith. Mean)
Same as Primary
Particulate Matter (PM10)
150 ug/m3 24-hour1 15.0 µg/m3 Annual3 (Arith.
Mean) Same as Primary
Particulate Matter (PM2.5)
65 ug/m3 24-hour4 Ozone 0.08 ppm 8-hour5 Same as
Primary 0.03 ppm Annual (Arith. Mean) ------- 0.14 ppm 24-hour1 -------
Sulfur Oxides
------- 3-hour1 0.5 ppm (1300 ug/m3)
1 Not to be exceeded more than once per year.
2 To attain this standard, the 3-year average of the weighted annual mean PM10 concentration at each monitor within an area must not exceed 50 ug/m3.
3 To attain this standard, the 3-year average of the weighted annual mean PM2.5 concentrations from single or multiple community-oriented monitors must not exceed 15.0 ug/m3.
4 To attain this standard, the 3-year average of the 98th percentile of 24-hour concentrations at each population-oriented monitor within an area must not exceed 65 ug/m3.
5 To attain this standard, the 3-year average of the fourth-highest daily maximum 8-hour average ozone concentrations measured at each monitor within an area over each year must not exceed 0.08 ppm.
I ndex Value
PSI Descriptor General
Health Effects
Cautionary Statements
Up to 50 Good None for the general population.
None required.
50 to 100 Moderate Few or none for the general population.
None required.
100 to 200
Unhealthful Mild aggravation of symptoms among susceptible people, with irritation symptoms in the healthy population.
Persons with existing heart or respiratory ailments should reduce physical exertion and outdoor activity. General population should reduce vigorous outdoor activity.
200 to 300
Very Unhealthful
Significant aggravation of symptoms and decreased exercise tolerance in persons with heart or lung disease; widespread symptoms in the healthy population.
Elderly and persons with existing heart or lung disease should stay indoors and reduce physical activity. General population should avoid vigorous outdoor activity.
Over 300 Hazardous Early onset of certain diseases in addition to significant aggravation of symptoms and
Elderly and persons with existing diseases should stay indoors and avoid physical exertion.
Efek NOx thd Kesehatan• Short-term exposure at concentrations greater than 3
parts per million (ppm) can measurably decrease lung function.
• Concentrations less than 3 ppm can irritate lungs. • Concentrations as low as 0.1 ppm cause lung irritation
and measurable decreases in lung function in asthmatics.
• Long-term lower level exposures can destroy lung tissue, leading to emphysema.
• Children may also be especially sensitive to the effects of nitrogen oxides.
Efek-efek Lainnya• Seriously injure vegetation at certain
concentrations. Effects include: – Bleaching or killing plant tissue. – Causing leaves to fall. – Reducing growth rate.
• Deteriorate fabrics and fade dyes. • Corrode metals (due to nitrate salts formed
from nitrogen oxides). • Reduce visibility.
• Oxides of nitrogen, in the presence of sunlight, can also react with hydrocarbons, forming photochemical oxidants or smog.
• Also, NOx is a precursor to acidic precipitation, which may affect both terrestrial and aquatic ecosystems.
Efek-efek Lainnya
Sulfur Dioxide Ninety-five percent of pollution related sulfur oxide
emissions are in the form of sulfur dioxide (SO2), a heavy, colorless gas with an odor like a struck match.
This gas combines easily with water vapor, forming aerosols of sulfurous acid (H2SO3), a colorless, mildly corrosive liquid.
This liquid may then combine with oxygen in the air, forming the even more irritating and corrosive sulfuric acid (H2SO4).
Senyawa lain yg mengandung S
• Hydrogen sulfide (H2S) gas - rotten eggs. • Mercaptans - skunk spray or decayed garbage.
(Added in trace amounts to natural gas, providing a leak-detecting warning odor.)
Note: The amount of SO2 released from coal fired power plants depends on the sulfur content of coal, normally 0.7% to 2% by weight. High sulfur coal sometimes contains as much as 6% sulfur by weight. In India, sulfur content is quite low.
Efek SOx pada Kesehatan
• Sulfur dioxide not only has a bad odor, it can irritate the respiratory system.
• Exposure to high concentrations for short periods of time can constrict the bronchi and increase mucous flow, making breathing difficult.
• Children, the elderly, those with chronic lung disease, and asthmatics are especially susceptible to these effects.
SO2 juga dapat:• Immediately irritate the lung and throat at
concentrations greater than 6 parts per million (ppm) in many people.
• Impair the respiratory system's defenses against foreign particles and bacteria, when exposed to concentrations less than 6 ppm for longer time periods.
• Apparently enhance the harmful effects of ozone. (Combinations of the two gases at concentrations occasionally found in the ambient air appear to increase airway resistance to breathing.)
Sulfur dioxide tends to have more toxic effects when acidic pollutants, liquid or solid aerosols,
and particulates are also present.
(In the past, thousands of excess deaths occurred in areas where SO2 concentrations exceeded 1 ppm for a few days and other pollutants were
also high.)
Effects are more pronounced among mouth breathers, e.g., people who are exercising or who
have head colds.
Efek SO2
These effects include: • Health problems, such as episodes of bronchitis requiring
hospitalization associated with lower-level acid concentrations.
• Self-reported respiratory conditions, such as chronic cough and difficult breathing, associated with acid aerosol concentrations. (Asthmatic individuals are especially susceptible to these effects. The elderly and those with chronic respiratory conditions may also be affected at lower concentrations than the general population.)
• Increased respiratory tract infections, associated with longer term, lower-level exposures to SO2 and acid aerosols.
• Subjective symptoms, such as headaches and nausea, in the absence of pathological abnormalities, due to long-term exposure.
Efek SO2
• Sulfur dioxide easily injures many plant species and varieties, both native and cultivated. Some of the most sensitive plants include various commercially valuable pines, legumes, red and black oaks, white ash, alfalfa and blackberry. The effects include:
• Visible injury to the most sensitive plants at exposures as low as 0.12 ppm for 8 hours.
• Visible injury to many other plant types of intermediate sensitivity at exposures of 0.30 ppm for 8 hours.
• Positive benefits from low levels, in a very few species growing on sulfur deficient soils.
Efek SO2 pd Tumbuhan
Efek LainnyaIncreases in sulfur dioxide concentrations accelerate the corrosion of metals, probably
through the formation of acids.
(SO2 is a major precursor to acidic deposition.)
Sulfur oxides may also damage stone and masonry, paint, various fibers, paper, leather, and electrical
components.
Efek Lainnya
Increased SO2 also contributes to impaired visibility.
Particulate sulfate, much of which is derived from sulfur dioxide emissions, is a major component of the complex total
suspended particulate mixture.
• Ozone acts as a powerful respiratory irritant at the levels frequently found in most of the nation's urban areas during summer months.
• Ozone exposure may lead to:– Shortness of breath. – Chest pain when inhaling deeply. – Wheezing and coughing.
Long-term, repeated exposure to high levels of ozone may lead to large reductions in lung function, inflammation of the lung lining, and increased respiratory discomfort.
Efek Ozon pd Kesehatan