You'll want to hire an EPA-certified water testing company; tests run about $20.

你可以花20美元，聘请由美国环保署认证的公司帮你测试。

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If you're on a private well or want more in-depth information, consider hiring a private water-testing company.

如果你有一个私人的井或者想要更加深入的信息，就考虑请一个私人的水测试公司去测试水质量。

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Recently, a gene-testing company announced plans for a large genetic study of Parkinson's patients.

VOA: special.2009.04.07

Recently,a gene-testing company announced plans for a large genetic study of Parkinson's patients.

VOA: special.2010.11.02

Alberto Savoia left Google in 2002 to start a software testing company called Agitar.

FORBES: Close to the Vest

This put you into contact with one of the products produced by diagnostic testing company Meridian Bioscience.

FORBES: Meridian Bioscience Tests Well, Pays Healthy Dividends

Allergy-testing company Omega Diagnostics has signed a deal which will see its Food Detective kits sold across India.

BBC: Allergy test firm Omega Diagnostics signs India deal