On a three-month moving average, the deficit edged down to $8.2 billion from $8.3 billion, the department also calculated.
The unions contend that the times would be longer if they included only engines, although the department has never calculated response times that way.
The archaeological department calculates that the murals are approximately 600 years old and were drawn with the extracts of green leaves and fruits.
Mr. Scoppetta said the department had always calculated response time in the same way.
The department calculated that Oxford's future claims and other liabilities in New York were about $726 million, substantially higher than the company's own estimates.
He said the department had improperly calculated haulers' costs.
The department also calculated that real average weekly earnings rose four-tenths of 1 percent in September.
What is the temperature of the road surface so the department can calculate how much salt it will need to spread?
So far, some 16,800 linear feet of railing have been bought and the department is still calculating how much more it will need.
His legal department calculates that the Larkins are owed, with all the interest that has accrued, over $14 million.