In many cases, said Henry J. Stern, the president of the Citizens Union, a civic group, and a former city Parks Commissioner, you have to apply the nose test. Does it smell? he said, referring to such deals. Is it based on a personal relationship? Does it run contrary to the city's interest?.
Make the nose test sniffing for fumes, before starting engines.
The pollen blocker cream appeared to help; after using the cream, people did better on the nose test.