Air

No sooner had New Yorkers heard the good news about their water supply than their attention was wrenched abruptly skywards. In three sections of the city, a local survey showed last week, soot was piling up twice as deep as it did in Pittsburgh in the days when Pittsburgh was a standard joke. One expert estimated that the annual fall of soot within a radius of 40 miles from New York City might be as high as 384,000 tons a year. And what disturbed New Yorkers most of all was a new test which showed they sucked in about 185,000 particles of dirt at every breath, including large draughts of such unpleasant byproducts as arsenic, carbon monoxide and chlorine from the city's spewing factory chimneys.

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