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January 9,2002 — NOA ENVIRONMENTAL PROJECT NUMBER LE01-416 irrigation. Runoff is slow or medium, and the hazard of water erosion is slight or moderate. The rate of water intake in irrigated areas is 1.5 inches per hour(USDA, p.46,47). 279--Yellowlark gravelly loam, 0 to 2 percent slopes. This moderately well _ drained, nearly level soil is on stream terraces. It is deep to a hardpan. It formed in alluvium derived from mixed rock sources. The native vegetation is mainly annual gasses and forts. Slopes are plane, and the landscape is characterized by hummocky microrelief. Meandering drainage ways and closed depressions fill with water to form vernal pools during the winter in some areas... Typically, the surface layer is pale brown and reddish yellow gravelly loam about 8 inches thick... In some areas the surface layer is loam. Included in this unit are small areas of Hicksville soils in drainageways and Redding soils on terraces. Also included, in landscape positions similar to those of the Yellowlark soil, are small areas of soils that have a claypan at a depth of 20 to 40 inches or that have a very gravelly loam subsoil at a depth of 15 to 20 inches. Included areas make up about 15 percent of the total acreage. Permeability is moderately slow in the upper part ofthe Yellowlark soil and very slow in the claypan. Available water capacity is moderate... Runoff is very slow, and the hazard of water erosion is slight. The rate of water intake in irrigated areas is 1.5 inches per hour. Streambank erosion occurs along intermittent drainageways. _ IV. REVIEW OF REGIONAL AND LOCAL REGULATORY AGENCY RECORDS 1. Regional Water Ouality Control Board Our office reviewed the Leaking Underground Storage Tanks List (LUST) and the Spills, Leaks, ` Investigations, and Cleanups List (SLIC) on file with the Central Valley Regional Water Quality Control Board (RWQCB) in an attempt to determine if there are any files present at that agency which note the unauthorized release of a toxic or hazardous agent into the environment on the subject property or within a one-quarter(1/4) mile radius of the subject property. Our office reviewed the RWQCB Leaking Underground Storage Tank Information System list dated September, 2001. The subject property was not listed on the database at the time that we reviewed it. The RWQCB reports that there are no (0) correlations between the database and any addresses within the specified search radius. 7