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Due and PCBs
Due to the toxicity of PCBs and their classification as persistent organic pollutants, PCB production was banned by the U. S. Congress in 1977 and by the Stockholm Convention on Persistent Organic Pollutants in 2001.

Due and environmental
Due to the severity of its ecological effects, and the scale on which it is occurring, erosion constitutes one of the most significant global environmental problems we face today.
Due to increasing environmental issues with older rickshaws, the government has heavily invested in greener more fuel efficient rickshaws
Due to aging and environmental factors ( such as temperature and vibration ), it is difficult to keep even the best quartz oscillators within one part in 10 < sup > 10 </ sup > of their nominal frequency without constant adjustment.
Due to its large membership, varying and strong beliefs, and occasionally speculative nature, the environmental movement is not always united in its goals.
Due to the lower lack or wealth and education on American Indian reservations, and their status as a minority, the U. S. government has allowed the encroachment of mining and energy companies for over 40 years to develop the Dine ’ lands, creating environmental and health devastation and loss of aquifer water resources.
Due to the environmental effects of this production method, cupramonium rayon is no longer produced in the United States.
Due to the Japanese scorched-earth policy immense environmental and infrastructure damage have been recorded.
Due to their high efficiency, they are quite environmental, yet costly, and they still require polluting materials in their production process.
Due to health risks and environmental considerations involved in the use of solvent-based lacquers, much work has gone in to the development of water-based lacquers.
The disposal of toxic waste continues to be a source of conflict in the U. S. Due to the hazards associated with toxic waste handling and disposal, communities often resist the siting of toxic waste landfills and other waste management facilities ; however, determining where and how to dispose of waste is a necessary part of economic and environmental policy-making .< ref >.< http :// www. ncpcbarchives. com >.</ ref >
Due to financial limitations and feared environmental impacts, the southern extension of Route 90 to Mount Laurel was canceled by 1980.
Due to the inaccessibility of the terrain, the island was bombed from the air with poison pellets, as had recently been attempted on Giannutri and Sardinia, despite concerns raised by environmental groups that indigenous species of wildlife and the surrounding waters might also be adversely affected.
" Due to the sociocultural, environmental, and political issues that are affecting healthcare delivery, it would be helpful to embody new techniques in nursing.
Due to a lack of funds and environmental concerns about construction near the adjacent wetlands, the connector project remained dormant until 1990 when plans for the road were included report by the city's Transportation Executive Council.
Due to the increase in cycle commuting since the 2005 London Bombings and increasing environmental awareness, the canal's towpath has become a busy cycle route for commuters.
Due to its natural and environmental profile, it has gained importance in the market.
Due to logistics and environmental concerns there are only a handful of ultramarathons held in Antarctica, and travel costs can mean entrance fees as high as $ 14, 000.
Due to a lack of any substantial physical evidence, most scientists and mental health professionals dismiss the phenomenon as " deception, suggestibility ( fantasy-proneness, hypnotizability, false-memory syndrome ), personality, sleep phenomena, psychopathology, psychodynamics environmental factors ".
Due to environmental concerns, contemporary Joss paper burners have now been fitted with a special cover which eliminates the spread of burning ashes.
Due to the demand, and the exchange rates of euros against the US dollar, as well as different pricing and environmental policies in the USA, the V6 and V8 engine variants make up most of Volkswagen's American Touareg offering.
Due to increasing environmental pressures from lobby groups and the like, many have called into question the relevance of Formula 1 as an innovating force towards future technological advances ( particularly those concerned with efficient cars ).
Due to environmental conditions they can vary from each other up to a certain point.
Due to environmental constraints, 4000 citizens had to be resettled between the years 1969 and 1979.
Due to modern day environmental pollution fluoride and aluminium have also been found to occur in tea, with certain types of brick tea made from old leaves and stems having the highest levels.

Due and toxicity
Due to lead's toxicity it is no longer used, its replacements being other organometallic compounds such as ferrocene and methylcyclopentadienyl manganese tricarbonyl ( MMT ).
Due to the toxicity issues of ethyl cyanoacrylate, the use of 2-octyl cyanoacrylate for sutures is preferred.
Due to its toxicity, lead has not been used in modern water-supply piping since the 1930s in the United States, although lead was used in plumbing solder for drinking water until it was banned in 1986.
Due to the gas ' toxicity, the attack claimed over 1, 600 men.
Due to the variable levels of toxicity in any given sample of the dried herb, there are still issues with using it.
Due to DDT's toxicity, its use in the United States was banned in 1972.
Due to the often high receptor selectivity and lower target-based toxicity, allosteric regulation is also expected to play an increasing role in drug discovery and bioengineering.
Due to their toxicity, Papua New Guineans call the pitohuis rubbish birds as they are not good for eating ; in desperate times, though, they can be consumed but only after the feathers and skin are removed and the flesh is coated in charcoal and then roasted.
Due to the known toxicity of the element mercury, there is some controversy about the use of amalgams.
Due to the often extreme depths the diver is working at, specialised helium-based breathing gas mixtures are often used to prevent both nitrogen narcosis and oxygen toxicity which occurs at these extreme depths.
Due to a combination of outstanding camouflage and aggressive toxicity they have few predators.
Due to the narrow therapeutic index of flecainide, physicians should be alert for signs of toxicity before life-threatening arrhythmias occur like torsade de pointes.
Due to the idiosyncratic nature of mercury toxicity, the risk of severe disease and sudden death are unpredictable and frequently show no warning signs.
Due to the low toxicity and low reactivity of its component metals, it finds use as a replacement for many applications that previously employed toxic liquid mercury or reactive NaK ( sodium-potassium alloy ).
Due to this toxicity, pet owners may want to investigate non pet toxic alternatives.
Due to its very narrow therapeutic index, Theophylline is known to cause a wide variety of side-effects and even toxicity.
Due to fluorouracil's toxicity and the fact that it can be manufactured using the same reaction as uracil, its precursor, 5-fluoroorotic acid, is commonly used in laboratories to screen against organisms capable of synthesizing uracil.
Due to their toxicity, use of glycopeptide antibiotics is restricted to patients who are critically ill, who have a demonstrated hypersensitivity to the β-lactams, or who are infected with β-lactam-resistant species.
Due to various factors, including the toxicity and high yield of its venom, the fact that untreated bites have a mortality rate of 100 %, its high level of aggression, its speed, agility, and size, many herpetologists agree the black mamba is the deadliest and most aggressive snake species in the world.
Due to its ease of use and improved safety profile with respect to organ toxicity, halothane quickly replaced chloroform and trichloroethane.

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