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Commercial Farms using Recycled Oil Industry Waste Water to Grow their Produce
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Some commercial farms in California came up with their own solution to the drought, and it’s not pretty. They decided to use recycled oil industry waste water to grow their produce. Chevron Oil Company treats 21 million gallons of waste water per day and sells it to farmers, who in turn use it to water 45,000 acres of crops in one of the country’s primary produce-growing areas. It’s like something used in third world countries that we scorn for their unsafe practices: In most developing countries wastewater treatment systems are hardly functioning or have a very low coverage, resulting in large scale water pollution and the use of very poor quality water for crop irrigation especially in the vicinity of urban centres. This can create significant risks to public health, particularly where crops are eaten raw. But it’s happening right here. Recycled irrigation water has been used to some degree for decades, but the testing has been limited to naturally occurring toxins, like salt and arsenic. Officially, no testing is done for the chemicals used in oil production. While farmers test crops for pests or diseases, they don’t test them for chemicals that may have absorbed through the roots from water. They figure that the water authorities are looking out for that. So basically, everyone expects that someone else does the testing, and no one does the testing. Nuts, citrus, and grapes may be highly contaminated but no one knows for sure. Yummy, right? This is what independent testing of the oil industry waste water showed One environmental group took it upon themselves to test samples of the treated irrigation water. Water Defense, an advocacy group founded by actor Mark Ruffalo, discovered something very unsettling. Mark Smith, the scientist who took samples for Water Defense, has been a consultant for the EPA on more than 50 oil spills. He took samples from areas of the canal that were publicly accessible and put them through comprehensive testing. He found acetone and methylene chloride. These are solvents used to remove grease from equipment and soften crude oil, and said that the concentrations in the water were higher than he had seen at oil spill disaster sites. He also found C20 and C34, hydrocarbons found in oil. Smith, the Water Defense scientist, has consulted for the Environmental Protection Agency and other government offices on more than 50 oil spills and spent two years studying the oil wastewater used for irrigation in Kern County. He traveled the eight-mile Cawelo canal, taking samples of the water as it moved from Chevron’s oil fields through the irrigation canals to farmers’ fields. He said he gathered samples only from areas that were publicly accessible. He took samples from 10 points, collecting water from a number of depths at each site through a process that he said is more comprehensive than the sampling state and local authorities require. The samples Smith collected contained acetone and methylene chloride, solvents used to degrease equipment or soften thick crude oil, at concentrations higher than he said he had seen at oil spill disaster sites. Methlyene chloride, by the way, is classified as a potential carcinogen. The water also contained C20 and C34, hydrocarbons found in oil, according to ALS Environmental, the lab that analyzed Smith’s samples. Methylene chloride and acetone are used as solvents in many industrial settings. Methylene chloride is classified as a potential carcinogen. Here’s a horrifying example: “One sample of the recycled Cawelo irrigation water, for example, registered methylene chloride as high as 56 parts per billion. Smith said that was nearly four times the amount of methylene chloride registered when he tested oil-fouled river at the 2013 ExxonMobil tar sands pipeline spill in Mayflower, Ark. That spill was declared a federal disaster, spurred evacuations and resulted in a $2.7-million fine for the company. Chevron told The Times it does not use acetone or methylene chloride in its oil extraction process. The company would not disclose the fluids used in drilling or well maintenance.” But don’t worry. It’s perfectly safe. The water district is unconcerned. One board member (who grows pistachios and citrus, by the way) feels that the water testing being done is accurate. Mark Smith, a board member of the Cawelo Water District who grows pistachios and citrus using treated water from Chevron, said he had “never heard a word” about contamination from the oil production process and is satisfied that the water testing is adequate. Glenn Fankhauser, assistant director of the Kern County Department of Agriculture and Measurement Standards, concurs. “As long as they’re treating the water to the point where it’s allowed by whatever agency governs the quality of water, I think it would be OK.” Note the blithe unconcern shown by those who are, of course, profiting greatly from the use of toxic water to irrigate food crops. The thing that blows my mind is how small family farms are being regulated out of business to keep us “safe” but this stuff goes on and no one in “authority” bats an eyelash. But somehow, we who are concerned about the fact that those with lots of money are not regulated are the kooky conspiracy nuts. As I’ve written about at length, with regard to something as important as water, you must take the responsibility for safety upon yourself. Here is a list of companies whose farms receive oil industry wastewater So, as it turns out, those cute little Halo oranges aren’t really very angelic. […]
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