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L January 5,2006 �. NOA Project Number: E05167A Product Name Active Ingredient 00 01 02 03 04 05 Kocide copper hydroxide X ` Monitor methamidophos X Rodent Bait Zinc Phoshide X Ms. Gallego has stated that the chemical permits are typically issued based on the intended crop which is reportedly to be planted that year and the geographical location of the field. The permits are issued for the most commonly used chemicals for that crop and do not indicate the chemicals that were actually applied. According to Ms. Gallego, when a chemical for which a permit has been issued is applied to a field, a use report must be filed with the Agricultural Commissioner. The use reports do j not include chemicals for which a permit is not required.10 L According to EXTOXNET,Methamidophos is a highly active,systemic,residual organophosphate i and is a RUP. Methamidophos is highly toxic via oral, dermal and inhalation routes of exposure. In aerobic soils,the half-life of methamidophos is as follows: 1.9 days in silt,4.8 days in loam, 6.1 days in sand, and 10-12 days in sandy loam L19 Water Supply and Sewage Disposal System LTw domestic wells are located on the subject property. The location of these wells are indicated on the 'te p (Appendix A). Two septic systems are located on the subject property. The location of these systems are indicated on the site map (Appendix A). The EHD well and septic permit files were searched on December 7,2005 in an effort to obtain copies of permits for any water wells or septic tanks on the subject property;three permits were found: I I' 1993 Repair pump on irrigation well located approxima ly 50 fe southwest of the newer house. M 1991 Replace pump in domestic well located nextLo�$im- 1976 Installation of seepage pits and leaching lines ato ouse. L ` L 1� L4 1'Personal Communication,November 28,2005. 7 L