DISCOVERY SCIENCE CENTER OF ORANGE COUNTY - 2002

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I I I LSA ASSOCIATES, INC. MARCH 2002 ENVIRONMENTAL ANALYSIS AMENDMENT NO.I DISCO%'ERY SCIENCE CENTER analyzed in FEIR 96 -01 and would not substantially increase the severity of aesthetic impact or shade or shadow impact identified in FEIR 96 -01, in that the increased development area allowed under the proposed project would be designed to avoid potential aesthetic impacts. Additionally, no new information has been made available since preparation of FEIR 96 -01 that would adversely affect the aesthetic impact analysis, effectiveness of mitigation measures, and the environmental determinations made in FEIR 96 -01. Public Health and Safety Hazards Potential project related and cumulative public health and safetyimpacts associated with the implementation of the DSC project were adequately evaluated in FEIR 96 -01. FEIR 96 -01 determined that implementation of the DSC project would not result in any significant public health and safety impacts. Mitigation was added to the project to avoid any potential effects from use of uncontrolled hazardous materials. The proposed project would not result in newpublic health and safetyimpacts beyond the impacts previously analyzed in FEIR 96 -01 and would not substantially increase the severity of any public health and safetyimpact identified in FER 96 -01, in that the proposed project would not involve any activities that would subject the public topublic health and safetyimpacts. Additionally, no new information has been made available since preparation of FEIR 96 -01 that would adversely affect the public health and safetyimpact analysis and environmental determinations made in FEIR 96 -01. Relationship Between Short-Term Uses of the Environment and the Maintenance and Enhancement of Lon-Term Productivity /Significant Improvements Environmental Changes FEIR 96 -01 analyzed the DSC project's relationship between short-term uses of the environment and the maintenance and enhancement of long term productivity of the environment. FEIR 96 -01 found that the proposed project would also result in long -terns impacts that affect only the site and have no off -site ramifications. These would include building the parking structure in the floodplain and having patrons subjected to noise from the I -5 Freeway. The proposed project would contribute cumulatively to air emissions and area traffic, both of which would not be able to be completely mitigated and could have a long -term impact on air quality. FEIR 96 -01 determined that DSC provided a balance between short-term use of the land and the long term maintenance and enhancement of the environment. The increased development area allowed on DSC Phase H would not result in additional impacts beyond the impacts previously analyzed in FEIR 96 -01 and would not increase the severity of any impact identified in FEIR 96 -01. Irreversible and Irretrievable Commitments of Energy /Significant Irreversible Environmental Changes FEIR 96 -01 determined that the development of DSC would not result in the irreversible and irretrievable commitments of energy. Implementation of the project would modify existing structures, and new structures would be built. Additionally, the site would be paved and traffic circulation improvements added. Implementation of the project also represents a long -term commitment of the land to a museum type use commitment, of energy resources, in the form of fossil fuels and natural gas for center construction H ^,ROBE FILESWmend 1 dsc revl.doc 43/07/02» 9 Pale 9 of 17