When asked if they believed that crude oil can be safely transported by trains, 74 percent of participants in the statewide survey felt that it could be, compared to 19 percent that did not. Within Clark County, 72 percent of respondents said that crude oil could be safely transported by train, while 20 percent said it could not.
The sample for the statewide survey was 500; and for Clark County the sample was 400. DHM Research defines a ‘likely voter’ as one who has voted in at least two of the last four primary or general elections in Washington. the overall margin of error for the statewide survey was +/- 4.4 percent; and for the Clark County survey the margin of error was +/- 4.8 percent.
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