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' NOA Environmental Project Number E98191 ' Current and Previous Business Activities on the Property: The following information has been excerpted, either in whole or in part, from the "Notice of Tentative Waste Discharge Requirements for Sebastiani Vineyards,Inc.,Lodi,San Joaquin County", ' promulgated by the Central Valley Regional Water Quality Control Board(CVRWQCB)Associate Engineering Geologist Ms. Camilla Williams on 21 April 1999: ❑ Sebastiani Vineyards consists of two facilities: Turner Road Vintners East (TRV East)and Turner Road Vintners West(TRV West). TRV East was formerly known as the Vendange Wine Cellars;TRV West was known as the Nathanson Creek Wine Cellars. ' ❑ TRV East,the main winery facility(Assessor's Parcel No. 025-120-26),is on a 24- acre parcel, approximately 1 mile east of Interstate 5 at 4614 West Turner Road, near Lodi in San Joaquin County. The TRV West facility (Assessor's Parcel No. 025-120-01) is on a 63 acre parcel, at 5852 West Turner Road, approximately 2/3 mile west of the TRV East facility. ' ❑ The expansion of operations at TRV East required that a new winery and wastewater disposal system be constructed (TRV West). Expansion began in 1998 and is estimated to continue through the next five years. Upon completion,all receiving, ' crushing,and pressing of grapes will be conducted at the TRV West facility. Other activities,including fermentation and processing into finished wines,bulk transfer of grape juice and finished wines, bottling, and distribution, will be conducted at ' TRV East. ' ❑ Water for processing is derived from supply wells. There are two supply wells at each of the facilities (four total). These wells range in depth from approximately 135 to 170 feet below ground surface (bgs). Depth to groundwater is between 13 ' and 20 feet bgs,based on completion logs. Water from the supply wells is used for processing and domestic purposes. ' ❑ Winery waste solids products,consisting of grape skins,stems,leaves and seeds,are disposed of as agricultural wastes and are hauled off-site. ' ❑ Prior to disposal,winter waste waters are screened and adjusted for pH. Screening to remove solids down to a particle size of 0.5 millimeter is conducted using wedgewire type screens. The acidic pH of the wastewater, resulting from the ' fermentation process, is adjusted to a neutral pH using ammonia. ❑ Wastewater disposal from both wineries is conducted at the TRV West facility. Production wastewater from the TRV East facility is collected in a sump at the northwestern comer of the site and is pumped to TRV West through a pipeline along ' the southern edge of Turner Road. Page -2-