FIGURE 1.1. BP group annual total air emissions by pollutant 1999 2004 (See Color Plates). FIGURE 1.2. BP group annual total air emissions* by business 1999 2004 (See Color Plates). evaporate. In addition, gas can be released from operations through contr- led process vents for safety protection. Further safety devices, such as flares, are used to burn excess hydrocarbons in the industry, but can allow a small proportion of hydrocarbon into the atmosphere without being burnt. Ind- try contains and controls these emissions wherever possible to minimize any loss of hydrocarbon. Hydrocarbon...
FIGURE 1.1. BP group annual total air emissions by pollutant 1999 2004 (See Color Plates). FIGURE 1.2. BP group annual total air emissions* by busines...
