tailieunhanh - A Guide To Obtaining Air Pollution Control Permits

The great advantage of using panel data over a simple cross-sectional sample is that one can control for the country-specific fixed effects ai. Failure to do so leads to biased estimates if these fixed or latent effects are correlated with the explanatory variables, as is likely to be the case. However, unfortunately the use of panel data also leads to more compli- cations if some or all of the variables in the estimating equation follow a trend over time. Such trending typically implies what econometricians call non-stationarity. One implication of non-stationarity is that the estimated coefficients and their standard errors cannot be trusted. In formal terms, a variable is. | A Guide To Obtaining Air Pollution Control Permits City of Chicago Department of Environment Division of Permitting and Enforcement Rahm Emanuel Mayor A Guide to Obtaining Air Pollution Control Permits City of Chicago 2011 This booklet is aimed at helping businesses obtain a City of Chicago Air Pollution Control APC permit. It is designed to help you determine if you need an APC permit and how to go about obtaining one. Assistance on how to complete the application forms is also provided. Do I need an Air Pollution Control Permit You will need an APC permit if your facility has the regulated equipment or regulated area as set forth in the Chicago Municipal Code. In general a piece of regulated equipment or regulated area is one that has a potential to emit any air contaminant into the atmosphere. Neither the size of the facility nor the amount of the air contaminant has any bearing on whether or not you need a permit. As defined in section 1 1-4-610 of the Municipal Code regulated equipment or area is any combustion equipment pollution control device process equipment or process area. Please see the definitions below for further information on the types of equipment that require an APC permit. EXAMPLES OF REGULATED EQUIPMENT Dust collector Emissions source Spray booth Dry cleaning machine A Guide to Obtaining Air Pollution Control Permits City of Chicago .