You'll want to hire an EPA-certified water testingcompany; 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。
2
If you're on a private well or want more in-depth information, consider hiring a private water-testingcompany.
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。
3
Crown testingcompany to ensure that the products are for the standardization of production, strict testing and testing after passing the factory, excellent performance.