Detailed text transcripts for TV channel - CNN - 20100728:15:12:00
Samples, and you can begin to see the difference in them as far as the oil content. >> reporter: its plain as day. clear water, clear sand. dirty water, dirty sand. >> or contaminated. >> reporter: further analysis puts an exact number on the contamination. >> 2 the 6 parts pr million of oil in the sand sample. >> reporter: 2.6 parts per million. what does it mean to people watching at home? >> a, it says the oil is there. b, the oil is there at low levels. >> reporter: possibly healthy or safe ...
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