CBS, STATISTICAL ABSTRACT OF ISRAEL 2009 27 2009 ENVIRONMENT 4. Protection of soil, ground water and surface water includes protection and reclamation of land, and cleaning of water sources. 5. Protection of animals, plants and landscape which includes construction, maintenance, and beautification of parks, preservation of forests and afforestation, fire fighting, maintenance of beaches and nature reserves. 6. Research and development includes surveys and research in the field of environmental quality, as well as expenditures for activities such as development of alternative energy sources. 7. Other services include general management as well as planning and supervision related to environmental protection in government ministries, local authorities, and conurbations. This category also includes activities that do not fall within the categories of services specified above – e.g., urban planning and construction, as well as activities of environmental protection units in local authorities. Expenditure for public environmental protection services was classified in the following categories: 1. Current expenditure, which includes labour expenses (i.e., imputed government expenditures, which reflect the government’s commitment to pay funded pensions to employees upon retirement), and current purchases of other goods and other services, as well as a calculated estimate of expenditures for depreciation of buildings and equipment. 2. Investment in fixed capital, which includes expenses for constructing installations, buildings, other construction projects, and purchase of machinery and equipment for the purpose of environmental protection. EXPENDITURE FOR PUBLIC ENVIRONMENTAL PROTECTION SERVICES (Financial Data) (Tables 27.1-27.2) DEFINITIONS AND EXPLANATIONS Environmental protection services were generally defined according to the guidelines of the statistical offices of the UN and the European Union (Eurostat) for classification of activities aimed at protecting the environment. Based on this classification, expenditure for environmental protection included the following items: 1. Protection of air quality and climate. 2. Treatment of sewage. 3. Treatment of waste. 4. Protection of soil, ground water and surface water. 5. Protection of animals, plants, and landscape. 6. Research and development. 7. Other services. CLASSIFICATION OF EXPENDITURE Expenditure for public environmental protection services was classified according to the implementing sector - the government, governmental enterprises, local authorities, and non-profit institutions. There are seven types of public services for environmental protection: 1. Protection of air quality and climate, which mainly includes monitoring of air quality. 2. Treatment of sewage, which includes planning, maintenance, and development of sewage and drainage systems, construction and operation of pumping and treatment plants, and treatment of rain water. 3. Treatment of waste, which includes collection, disposal, and incineration of domestic and industrial waste, treatment of solid waste and hazardous materials, street sweeping, and cleaning of market places. ENVIRONMENT שנתון סטטיסטי לישראל,למ''ס )159( סביבה usually emitted by industries, transport, and home heating. Pb (lead): A heavy metal that was a necessary additive to petrol for years. CH4 (Methane): A greenhouse gas produced in landfills and sewage purification plants following the breakdown of organic waste in anaerobic conditions (without oxygen), from animal digestion processes, mainly from chewing cud, and from anaerobic decomposition of animal secretions. Methane is also produced from natural sources such as plant decomposition. N2O (Nitrous Oxide): A greenhouse gas produced from fuel combustion and microbic processes in soil and water, which are influenced by the use of fertilizers that contain nitrogen. NMVOCs (Non-methane volatile organic compounds): Gases produced at the time of hydrocarbon fuel combustion or at the time that liquid fuels, solvents, paint, and intermediate products for production of chemicals are vaporized. These gases are precursors of greenhouse gases. O3 (Ozone): A pollutant produced by photochemical reactions between hydrocarbons and nitrogen oxides. Ozone is produced in the lower layers of the atmosphere (the troposphere), and is considered a greenhouse gas. However, the Ozone in the upper layers of the atmosphere (the stratosphere) plays an important role in protecting the biosphere, by preventing the penetration of harmful ultraviolet solar radiation. AIR (Tables 27.3-27.9) Air pollutants pose a potential danger to humans, plants, and the environment. Some air pollutants derive from natural sources, but most are anthropogenic (generated by human activity), such as energy production, transportation, industrial activity and agriculture. Hydrocarbon fuels contain various supplements such as sulphur and lead compounds. Fuel combustion usually does not take place under optimal conditions, so that pollutants and greenhouse gases are emitted into the atmosphere in the combustion process. DEFINITIONS AND EXPLANATIONS CO2 (Carbon Dioxide): A greenhouse gas originating from the complete combustion of fuel. CO (Carbon Monoxide): A gas produced by the incomplete combustion of fuel, deriving mainly from emissions from motor vehicles. This gas is a precursor of greenhouse gases. SOx (Sulphur Oxides): Compounds derived from the combustion of fossil fuels such as coal and kerosene. Most of these compounds are emitted by power plants, refineries, and industrial plants. The combustion process produces mainly SO2 (Sulphur Dioxide), which is a precursor of greenhouse gases and aerosols, and acts to cool the climate. NOx (Nitrogen Oxides): Acidic gases emitted primarily by power stations, manufacturing plants and motor vehicles (mainly from diesel engines). These gases are precursors of greenhouse gases. HC (Hydrocarbons): Compounds of Hydrogen and Carbon emitted during the combustion and the evaporation of fuel. These gases are mainly produced by emissions from vehicles and refineries. SPM (Suspended Particulate Matter): Small particles found in the atmosphere, mainly carbon-based. The most hazardous particles are those that are less than 10 microns in size, particulate matter (PM10), which can penetrate the respiratory system. They derive mainly from natural sources and include fractions of small particles that are smaller than 2.5 microns, fine suspended particulate matter (PM2.5), ENVIRONMENT EMISSION OF POLLUTANTS (Tables 27.3-27.6) EMISSION OF AIR POLLUTANTS FROM COMBUSTION OF FUEL SOURCES OF DATA AND METHODS OF CALCULATION 1. Annual quantities of various types of fuel consumed by manufacturing and by motor vehicles are based on the annual energy balance. Data on percentages of sulphur in coal that is used to generate electricity were obtained from the Israeli Coal Company. 2. Annual kilometers travelled, by type of vehicle and by age of vehicle. Data on kilometrage were obtained from the Survey of Kilometers Travelled, )160( סביבה conducted by the CBS. 3. Emission coefficients of CO and NOx from stationary sources (manufacturing). As of 2000, data are based on IPCC coefficients (Intergovernmental Panel on Climate Change), according to fuel consumption. The other coefficients of pollutants from stationary sources were taken from the United States Environmental Protection Agency (USEPA), and applied to the conditions in Israel for 1997. The emission coefficients were obtained from the Air Quality Division (stationary sources) of the Ministry of Environmental Protection. 4. Emission coefficients of air pollutants from different types of mobile sources (vehicles) are based on studies conducted at the Technion on the “Evaluation of Pollutant Emission Factors from Motor Vehicles in Israel” (L. Tartakovski et al., June 1997) and “Evaluation of Pollutant Emission Factors from Diesel Vehicles in Israel (stage 1 busses)” (L. Tartakovski et al., May 2000). To date, these emission coefficients have been developed only for private motor vehicles running on petrol and for buses. Emission factors for other types of vehicles and other fuel types were based on data from The Netherlands, Britain, and the US (AP42), obtained from the Air Quality Division of the Ministry of Environmental Protection. 5. Changes in the calculation of CO2 (Carbon Dioxide): In the past, quantities of emissions were calculated for Carbon (C) only. In order to convert the emissions into CO2, (as of 1998), all of the data from previous years were multiplied by 3.666 (the ratio of the CO2 molecular weight to that of C). As of 2000, emissions are calculated on the basis of coefficients of the IPCC according to fuel consumption. 6. Emissions of CO, NOx, HC and SPM from motor vehicles are calculated on the basis of km travelled. The mean emission coefficients of pollutants on urban and interurban routes were used according to the year of production of the motor vehicle. 7. Certain types of fuels came into use in Israel during different periods. If a particular cell in the table is empty, that type of fuel was not used during that particular year. ENVIRONMENT 8. Emission of sulphur oxides, nitrogen oxides, and particles from electricity production from coal are calculated on the bases of international emission coefficients, taking into account the existing reduction technology and the concentration of sulphur in the imported coal. 9. Data processing and modeling were conducted in cooperation with the Ministry of Environmental Protection. Emission coefficients from land transportation are currently being audited and may change. 10. In 2004, Israel began to use natural gas for electricity generation. Calculation of Sox and SPM emissions from natural gas for electricity generation are based on measurements made by the Israel Electric Corporation. 11. As of 2000, the emission coefficients of the pollutants were updated as a result of new information received on the composition of fuels in Israel. 12. Generation of electricity also includes private producers of electricity. LIMITATIONS OF THE DATA 1. The data do not refer to all air pollutants emitted into the atmosphere. 2. Some of the emission coefficients were derived from Europe or the United States and are not completely adapted to the conditions in Israel. 3. Emissions from motor vehicles do not include trains. 4. Emissions of SOx and Pb are calculated on the basis of the permissible levels of their concentration according to law. EMISSIONS OF GREENHOUSE GASES DEFINITIONS AND EXPLANATIONS Greenhouse gases: Gases in the atmosphere that can be penetrated by ultraviolet solar radiation. These gases absorb infra-red radiation emitted by the earth. The infra-red radiation that is absorbed in greenhouse gases turns into heat, which causes global warming. Direct greenhouse gases: Gases that absorb the radiation emitted by the earth. Total direct greenhouse gases – in terms of CO2: In the calculation of total emissions of direct greenhouse gases, Methane (CH4) and Nitrous Oxide (N2O) emissions are converted into measures whose value is )161( סביבה equivalent to that of Carbon Dioxide (CO2) on basis of the Global Warming Potential (GWP), which is the index used to measure the radiation effects of greenhouse gases in relation to Carbon Dioxide (CO2). Precursors of greenhouse gases: Gases involved in the production of ozone (O3), which is also a greenhouse gas. Greenhouse gases are emitted from the following sources: Combustion of fuels: This process takes place in energy industries (electricity generation and oil refining), manufacturing and construction industries, transportation, and various economic sectors. Other sources of greenhouse gas emissions: Industrial processes that are not related to energy, treatment of solid waste and sewage, agriculture, changes in land use, and forestry (also including absorption of Carbon Dioxide (CO2) by forests). 4. 5. CONCENTRATIONS OF AIR POLLUTANTS (Tables 27.7-27.9) DEFINITIONS AND EXPLANATIONS High monitoring stations: Stations that monitor air quality over a broad area. These stations are located at rooftop level. Transportation monitoring stations: Stations intended to monitor pollutants deriving from vehicles. These stations are located near major transportation routes. Measurements are taken at the level of vehicles. Most of the transport monitoring stations began full operation in 1998. Maximum value - half-hour / 8 hours / 24 hours: The maximum values for every halfhour / eight-hours / twenty-four hours (respectively) obtained over a period of a year. Uptime Level: The percentage of time that a station was active during the course of the year. Data from stations whose uptime is less than 75% may be biased and are listed in parentheses. Environmental standard / Air quality: The threshold concentration of a given pollutant allowed in the air inhaled by humans at a given time. A distinction is made between two types of environmental standards: 1. Statistical standard (99.75%) - This standard applies to the pollutant SO2, and defines the maximum permitted concentration of a pollutant during 99.75% of the time. In Israel, the statistical standard can be exceeded up to 44 times a year at each monitoring station, for the maximum half-hourly value. 2. Absolute standard (100%) - This standard applies to all pollutants and defines the maximum concentration of a pollutant permitted at all times. SOURCES OF DATA AND METHODS OF CALCULATION The data for 1996 and 2000 were received from the Ministry of Environmental Protection, Industries Cluster, Air Quality Division. Data for 1996 were taken from the publication “Inventory of Emissions and Removals of Greenhouse Gases in Israel” (Jean Koch, Uri Dayan, and Abraham MeyMarom August 2001). Data for 2000 were taken from the publication “Greenhouse Gases in Israel, Inventory Update of Emissions and Removals for 2000” (Jean Koch and Shlomo Shafat, December 2002). Data for 2004 and 2005 were calculated at the CBS according to the guidelines of the IPCC (Intergovernmental Panel on Climate Change). Emissions of NOx and CO from motor vehicles were calculated on the basis of kilometers traveled (see paragraph “Emissions from Combustion of Fuels”). LIMITATIONS OF THE DATA 1. The IPCC International coefficients were used to calculate total emissions, except in cases where local coefficients were found. 2. The differences between the data in Table 27.6 and the data in Tables 27.327.5 can be attributed to differences in emission coefficients, fuel classification, sources of emissions, and data sources. 3. In calculating the inventory of emissions from industrial processes, estimates ENVIRONMENT were derived for some of the emissions on the basis of data from previous years. As of 2003, emissions from other sources, as well as emissions from additional industrial sources (from industrial processes and treatment of industrial waste) have been included in the calculation. As of 2003, oil shales are included in calculations of SOx emissions. As of 2005, data on NMVOC emissions from construction of roads are based on estimates. )162( סביבה The following table presents environmental standards for Israel (1992). All of the values are in micrograms per cubic meter of air (g/m3), except for CO, which is in milligrams per cubic meter (mg/m3). SO2 ½ hr NOx O3 1,000 940 (absolute) 500 (statistical) PM10 230 280 Yearly 60 560 CO 60 160 8 hr 24 hr WATER (Tables 27.10-27.14) For water levels and salinity in aquifers, as well as water levels in the Sea of Galilee and the Dead Sea and data on average salinity in the Sea of Galilee, see Chapter 1 Geophysical Characteristics. For data on water production and consumption, see Chapter 21 - Energy and Water. 11 QUALITY OF DRINKING WATER (Table 27.10) Microbial quality tests are conducted at water sources, supply networks of localities, and entrance points to the network. The number of tests and frequency of sampling that the supplier must conduct for drinking water are established in the regulations. In addition, the regulations stipulate that the water supplier must disinfect the water so that it includes the remnants of disinfectants when it reaches the entrance to the locality. Microbial tests are conducted in the water supply systems of local authorities according to a yearly monitoring plan, which is determined and supervised by the Ministry of Health together with the water suppliers (the local authorities). The plan for sampling drinking water is based on the stipulations in the regulations, as well as on the professional discretion of the people in charge of the issue at the Ministry of Health, after they have consulted with the water supplier. The plan also includes sampling from “sensitive” areas, and/or “problematic” points, and may be updated by the people in charge of the issue at the Ministry of Health, following consultations with the responsible parties in the local authorities (water suppliers). The changes may be as follows: adding new sampling points, and changing the locations of existing sampling points. 150 60 There is no Israeli standard yet for PM2.5. In the United States, the daily standard for these particles is 65 micrograms per m3 and the yearly standard is 15 micrograms per m3. This standard has been adopted in Israel as a target standard. SOURCES AND METHODS OF CALCULATION The data were received from the National Air Monitoring Network, which is affiliated with the Air Quality Division of the Ministry of Environmental Protection. Data are based on records taken at the stations every five minutes. From these records, averages were calculated for different periods of time. The maximum half-hour value at the transport monitoring station in Petah Tiqwa is calculated according to the half-hour running average. LIMITATIONS OF THE DATA 1. The data do not refer to all air pollutants. 2. The tables display data on concentrations of pollutants from only a few representative stations in Israel. 3. Not all of the stations measure all of the pollutants. Therefore, there may be a situation of no cases at certain stations. PRESENTATION OF DATA The table presents the results of routine microbial tests of drinking water in the supply network. DEFINITIONS AND EXPLANATIONS Microbial Analysis: A test to reveal coliform bacteria or faecal coliforms. Pollution can be attributed mainly to low quality of the water source. This may derive from surface water, ENVIRONMENT )163( סביבה where not all of the requirements for protection against pollution have been met, and where the water has been supplied without appropriate disinfecting and filtering treatment. Other sources of pollution are supply of drilling water, where the disinfecting facilities are not operated continuously and properly, as well as old water systems and faulty maintenance of supply systems. Routine test: A test conducted at the frequency specified in the national health regulations (sanitary quality of drinking water). Exceedences: Tests of water samples in which the results exceed the values permitted in the state health regulations (sanitary quality of drinking water). Rural locality: A locality that is not urban. DEFINITIONS AND EXPLANATIONS Microbial Analysis: A test to reveal coliform bacteria or faecal coliforms. Most of the pollution of sea water comes from coastal sources: the flow of sewage or discharge of wastes from land to the sea. It may also be caused by maritime activity of vessels along the coast that discharge fuels, oils, and waste. The Ministry of Health conducts microbial analyses at authorized beaches in order to determine that they are suitable for human use. The table presents the results of faecal coliform counts per 100 milliliter (ml.) of sea water. Permits to open beaches for the public must conform to the standards for water quality (the numerical standard), and to the frequency of sampling. Beaches that fail to conform to the standard will be declared as closed by the Ministry of the Interior, at the recommendation of the Ministry of Health, according to the results of sanitation survey. It should be mentioned that in some cases a beach will be closed as a result of a sanitation survey, even it conformed with the numerical standard. SOURCES OF DATA AND METHODS OF CALCULATION Results of microbial tests were obtained from the Ministry of Health. LIMITATIONS OF THE DATA 1. The sampling points are selected after careful consideration, and may change from time to time. Therefore, randomness cannot be maintained and makes it difficult to calculate statistical indices. 2. In 2003, unlike previous years, the category exceedences included only samples that were found to deviate from the standard even after the test was repeated within 24 hours. The numerical standard and frequency of sampling are determined according to the regulations of the Ministry of the Interior. The numerical standard: The quality of sea water at a beach during its period of activity will conform with the following: 1. The geometric average of sea water tests at the beach during the season, shall not exceed 200 faecal coliforms per 100 ml. of sea water. The results of single tests will not exceed 400 faecal coliforms per 100 ml. of sea water in more than 20% of the samples. 2. If the results of a single test exceed the maximum of 400 faecal coliforms, a repeat test will be performed, including samples of sea water which will be taken from three different points along the beach. Frequency of sampling: Samples of sea water are taken from the beaches at the following frequency: 1. During the swimming season (May to October), at least one sample must be taken every week from the sea water of all beaches. 2. During the winter months (November to April) one sample must be taken per QUALITY OF SEA WATER AT THE BEACHES (Table 27.11) PRESENTATION OF DATA The table presents microbial tests of sea water at authorized beaches. For the Red Sea, data are also presented on sea water at non-authorized beaches. The Mediterranean Sea beaches are presented in geographical order, from north to south. The Sea of Galilee beaches are presented clockwise, from the westernmost beach. The Red Sea beaches are presented clockwise, from the beach farthest to the southwest. ENVIRONMENT )164( סביבה month at every beach. If the beach also operates during the winter, it shall be tested according to swimming season frequency. found in raw sewage, under defined conditions. Intensive oxygen consumption is the result of a high organic load and a large amount of nutrients in water. BOD is a good indicator of the level of pollution in household wastewater. Standard tests are performed at a temperature of 20oC. Salinity of water (Chloride concentration): see Definitions and Explanations for “Surface Water” (Chapter 1 Geophysical Characteristics). TSS (Total Suspended Solids): particles of various sizes (from 1 millimicron), which derive from various sources (e.g., wastewater, industrial activity, soil erosion, etc.), and can cause turbidity in water, harm health, and damage pipe systems. Standard tests are performed at a temperature of 105oC. Boron (B): An organic substance whose main source is detergents in sewage. Boron is an extremely toxic substance for plants even in low concentrations. SOURCE OF THE DATA The data were obtained from the laboratory department in the Ministry of Health. LIMITATIONS OF THE DATA 1. Data are presented only from measurements taken during the swimming season. 2. The swimming season may open at different times from one year to the next (with differences of a few days). QUALITY OF STREAM WATER (Table 27.12) A large quantity of sewage still flows into most of the streams in Israel. This destroys a unique ecosystem, which includes plant and animal species whose only ecosystem is a clean stream. The high level of pollution deters visitors and travelers from coming to the streams. Essentially, the streams have become a severe health and environmental hazard - they are a breeding ground for mosquitoes, spread diseases, and emit stench. An environmental target standard was determined for water quality for the Qishon Stream (March 2002), which constitutes the guiding standard for all streams in Israel. According to this standard, the maximum value of biochemical oxygen demand is 20 milligrams per liter. The environmental standard for water quality defines the quality of water required at stream, but does not define the quality of flows entering it. SOURCE OF THE DATA Data on the Qishon Stream were obtained from the Qishon Stream Authority, data on the Yarqon Stream were obtained from the Yarqon Authority, and data on the rest of the streams were obtained from The Nature Reserves and National Parks Authority. LIMITATIONS OF THE DATA 1. The table does not specify all of the sampling stations existing at the streams. 2. The data do not cover all of the pollutants and tests conducted in the field. The most representative indicators of quality were selected. 3. The data apply only to the hour of measurement. PRESENTATION OF THE DATA For the lower Jordan River, the sampling stations are displayed from north to south, and for the other streams the stations are displayed from the source of the stream to its estuary. SEWAGE AND EFFLUENTS (Tables 27.13-27.14) PRESENTATION OF THE DATA Table 27.13 presents data on the amounts of sewage flowing into the Shafdan (Dan Region Reclamation Project), and how it is treated. Table 27.14 presents data on the amounts of sewage flowing into treatment plants. DEFINITIONS AND EXPLANATIONS COD (Chemical Oxygen Demand): The quantity of oxygen required for chemical oxidation of sewage by a strong oxidizer, under defined conditions. This is a good indicator of the impact of the level of pollution in industrial wastewater. BOD (Biochemical Oxygen Demand): The amount of oxygen consumed by organisms for aerobic decomposition of organic matter ENVIRONMENT DEFINITIONS AND EXPLANATIONS RS (Raw Sewage): Water that became polluted due to household, industrial, or public use, and that is not suitable for further )165( סביבה use unless it is treated and purified. Effluents: Raw sewage that has been treated to reduce the organic load. This water can be adapted for reuse in agriculture and in manufacturing. It can also be used for recharging to ground water and even for reclamation of streams. “Shafdan” - Dan Region Reclamation Project: The Shafdan project is the largest plant for treatment of sewage and reclamation of effluents in Israel. The project’s activities include collection, treatment of sewage, recharging effluents to ground water, and reuse of the water. The Shafdan project is under the auspices of the “Dan Region Association of Towns – Sewage and Environment” and is operated by the national water company “Meqorot”. The plant treats raw sewage from Tel Aviv-Yafo, from 11 other cities in Gush Dan (Ramat Gan, Giv’atayim, Bene Beraq, Petah Tiqwa, Holon, Bat Yam, Rishon LeZiyyon, Qiryat Ono, Or Yehuda, Rosh Haayin, and Rehovot) as well as from six smaller localities (Giv’at Shemu’el, Ganne Tiqwa, Ramat Ef’al, Kafr Qasm, Newe Ephraim (Monson), and Azur). The amount of raw sewage treated at the Shafdan plant constitutes about 30 percent of the sewage treated at all of the treatment plants in Israel. MBTP - Mechanical-Biological Treatment Plant: During the course of this treatment, a dense population of bacteria is kept in aerated vessels. These bacteria degrade the organic matter as well as the nitrogen compounds and phosphates in the raw sewage. This plant has been implemented since 1987. RE (Recharged Effluents): The treated sewage is recharged into the regional aquifer for additional treatment and storage. The effluents are recharged through recharging fields at Soreq and Yavne. RW (Reclaimed Water): The recharged water is pumped after varying periods through extraction drills. This water is used for unlimited agricultural irrigation in the southern region of the country. ENVIRONMENT SOURCES OF DATA The data on quantities of raw sewage and effluents in the Shafdan were obtained from the Shafdan project. Data on amounts of raw sewage that flow to the treatment plants were obtained from the Division of Water and Streams of the Ministry of Environmental Protection. WASTE RECYCLED SOLID WASTE (Table 27.15) DEFINITIONS AND EXPLANATIONS Solid Waste: A collection of materials in solid form, which are no longer used by humans. The materials are generally produced in a residential environment, e.g., construction debris and industrial residue, yard waste, and food residue. Recycled Waste: Waste used as raw material for producing new products, or reusing them for their original purpose. PRESENTATION OF DATA: The data relate to waste treated in recycling plants only (e.g., plants constructed for the purpose of dealing with recycled waste). The data do not include recycling conducted in other plants (e.g., plants constructed to save raw materials. SOURCE OF THE DATA Data are collected by the CBS. In addition, supplementary data are received from the Solid Waste Division of the Ministry of Environmental Protection. LIMITATIONS OF THE DATA Because recycling materials can be transferred from one recycling plant to another, there might be redundancy in the data. SOLID HOUSEHOLD, COMMERCIAL AND YARD WASTE (Table 27.16) DEFINITIONS AND EXPLANATIONS Household Waste: Food residue, packing materials, and products which have spoiled or worn out. Commercial Waste: Residue of raw materials which are by-products of the production process; raw materials and intermediate products which have spoiled, )166( סביבה been damaged or rejected; and packaging of the raw materials. Yard Waste: Residue of branches and plants. Environmental Services Company (Ramat Hovav) Ltd. began operating the site under environmental conditions, as defined by the Ministry of Environmental Protection in its business permit. SOURCE OF THE DATA AND METHODS OF CALCULATION Data on monthly quantities of waste were collected from the local authorities through the CBS. Missing data were collected from landfills and transit stations through the Division of Solid Waste at the Ministry of Environmental Protection. For local authorities that did not report to the CBS and did not report through the landfills administrations, the data were imputed through a model of statistical imputation designed at the CBS, based on the Hot-Deck method. Imputation takes the “nearest neighbour to the missing value,” according to the type of locality, socio-economic cluster. and district, or according to data from previous years. The calculation for 2007 was based on population statistics from the end of the previous years, whereas the calculation for 2006 was based on the average yearly population. Methods of Treating Hazardous Waste at the Ramat Hovav Site: 1. Secured Landfill: Burying non-volatile and inorganic solids. 2. Incineration: Thermal decomposition of hazardous organic waste. 3. Neutralization: A treatment process based on neutralization of acids and alkalines. 4. Detoxification: Chemical treatment to neutralize cyanides, thionyl chloride, reduction of chromates and sedimentation of heavy metals. Oxidizers undergo a process of detoxification and then neutralization. Cotnion does not undergo detoxification treatment. In both of the above methods the generated waste, after treatment, flows into evaporation ponds. Today the ponds are in the process of being closed and no waste is channeled to them. The generated waste is used as a component in the process of stabilizing waste for landfill. 5. Biological Treatment: Treatment using bacteria on soils polluted by organic materials, or sludge containing biodegradable materials. 6. Recycling: Hazardous waste that undergoes a chemical or physical process, as raw material or as a specific component produced from the waste. 7. Other Treatments: Until 2002, the treatment used was “solidification”. Since 2002, this category includes storage and export. LIMITATIONS OF THE DATA 1. The composition of the waste reported for each locality is not consistent. There are localities which include only part of the components of solid waste. 2. Until 2004, the data did not include waste collected for the purpose of recycling. HAZARDOUS WASTE (Table 27.17) DEFINITIONS AND EXPLANATIONS Hazardous Waste: By-products obtained from chemical/industrial processes and/or from agricultural or commercial activity that endanger individuals and their environment. Some of the hazards are immediate and occur at the time of exposure to the waste, whereas other hazards are long-term and are caused as a result of toxic accumulation in fauna, flora and ground water. Ramat Hovav site: A plant for neutralizing and treating hazardous waste. According to the Business Permit Regulations, 1990 (Removal of Hazardous Waste), hazardous waste will be removed only to the site at Ramat Hovav no later than the end of six months from the day of its production. The Ramat Hovav site began accepting hazardous waste in 1980. In 1990, the ENVIRONMENT SOURCE OF DATA The data were obtained from the Environmental Services Company (Ramat Hovav) Ltd. and the Hazardous Waste Division of the Ministry of Environmental Protection. LIMITATIONS OF THE DATA AND CLASSIFICATION 1. In the table, the data for the following were combined: batteries and accumulators; wastewater and alkaline; hydrazide waste and cotnion; PCB and )167( סביבה PCB oil. 2. The quantity of raw material of cytotoxic waste and gas tanks was received from the plant in a number of units, not tons. As of 2002, they have been converted to weight by multiplying by the coefficients 0.045 and 0.08 tons, respectively, according to the type of material. 3. Since 2002, the plant has not treated cotnion. 4. Some materials have undergone various treatments at various times. Biological treatment has only been used since 2001. If a cell in the table is empty, that type of material was not treated by the method at all, or the method had not yet been used. 5. As of 2002, oxidants are included in the category of “Chromates” instead of “Acids”. HAZARDOUS WASTE INCIDENTS (Table 27.18) DEFINITIONS AND EXPLANATIONS Hazardous Material: Material that endangers the health of individuals, their environment, and their property. A hazardous substance is material in any form that fits the classification of “hazardous substance” and is marked with an international code according to the “Orange Book” of the United Nations. A hazardous materials incident is an unsupervised incident involving a hazardous substance, which endangers or is liable to endanger individuals, their environment, or their property. SOURCE OF THE DATA Data were obtained from the Information and Operations Center in the Department of Hazardous Materials of the Ministry of Environmental Protection. LIMITATIONS OF THE DATA The data include only incidents that were reported to the Information Center. SELECTED PUBLICATIONS 35, 1996 37, 1997 CURRENT BRIEFINGS IN STATISTICS Survey of Waste Water, 1994 Expenditure on Public Services for Environmental Protection, 1993 OTHER PUBLICATIONS Environment Data Compendium - Israel, 2006 ENVIRONMENT )168( סביבה