Still working: heavy queries on the fallback index can run 20-40 seconds.
C.F.R.
»
Title 40
» CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY › SUBCHAPTER C—AIR PROGRAMS › PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES › Subpart BBBB—Emission Guidelines and Compliance Times for Small Municipal Waste Combustion Units Constructed on or Before August 30, 1999