A standard survey would be unable to answer this question.
She said the survey would be conducted from a nationally representative sample of all races.
Still, Ms. Lowenthal said it was not a foregone conclusion that the survey would be restored.
Normally a survey would be conducted to establish whether they think it is safe to return.
SNP sources said the new survey would be as focused on why previous yes supporters had changed their minds.
There is difficulty of form; a chronological survey would be long and repetitive, but almost every other pattern is unworkable.
It also said copies of the survey would be available for parents to examine at the high school and Ridgewood's two middle schools.
But Mr. Chester, whose group is part of a privacy coalition calling for Congressional action, said the survey would be helpful.
He said the survey would be conducted annually and steadily expanded, so that in three years, 100 metals and compounds would be measured.
Although the Whitney has its biennial and P.S. 1 Contemporary Art Center has "Greater New York," Lisa Phillips, the New Museum's director, said this survey would be different.
A representative for the mayor said that the results of the survey would be published soon after it closes on Sept. 18.
