Hot Dip Galvanized Horse Stable Box Stall Fence Panel With Wood Board

Australia hot dip galvanized horse stable stall fence panel with wood board
 
 

All alternative sites are located in southern Marin in the GGNRA. In August 2009, existing air quality conditions within the project vicinity were described in an EA for the Headlands Institute Campus Improvement and Expansion Plan. Because the Headlands Institute is within the project vicinity, the air quality setting of the recent Headlands Institute EA is considered valid for the project and is summarized and updated below. Air quality within the San Francisco Bay Area Air Basin is under the jurisdiction of the Bay Area Quality Management District (BAAQMD). BAAQMD is responsible for implementing emissions standards and administers air quality regulations developed at the federal, state, and local levels. BAAQMD operates a regional air quality monitoring network that regularly measures concentrations of major categories of air pollutants called ―criteria‖ pollutants. These include carbon monoxide, nitrogen dioxides, ozone, sulfur dioxide, and particulates. The San Rafael Monitoring Station is the closest such station to the study area and provides data for ozone, carbon monoxide, and PM10 (particulates greater than 10µm in size). (NPS 2009). As reported in the Headlands Institute EA, air quality monitoring data for years 2002–2004 indicated that air quality is generally quite good, and that ozone or carbon monoxide standards had not been exceeded in the monitoring period. National particulate standards had also not been exceeded, but state standards of a maximum 24-hour dose of 50 µm/m3 had been exceeded a total of four times (NPS 2009). In updating prior air monitoring data for this EA, subsequent review of 2005-2007 data from the San Rafael Monitoring Station indicated consistency with prior data. Particulate standards were violated only one time in 2006. (ARB 2010) (City of San Rafael 2010). Regional flow patterns affect air quality in the southern Marin NPS lands by moving pollutants downwind, which is generally blowing from the west or northwest. Moderate winds disperse pollutants and reduce pollutant concentrations. An inversion layer traps pollutants, primarily in the summer. Normal precipitation occurs from November through February and totals an average of 35 inches. (NPS 2009).

No federal or state listed threatened or endangered species of plants are expected to occur in the project area based on information in the GGNRA Fire Management Plan EIS (GGNRA 2005); and in the Marin Headlands, based on a 2005 survey conducted in association with the MHFB Transportation Improvement and Management Plan EIS (NPS 2009). The CNDDB search identified 20 locations of special status plants within two miles of the stables (Appendix D). A list of special status plants which may occur within the overall project region based on habitat type, elevation, and known locations in Marin County is provided in Appendix E (CNPS inventory conducted June 2010).

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