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4 <br /> 90%+ No net increase from current configuration. <br /> h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: [help] <br /> Erosion control will be incorporated during construction activities, property will be restored with <br /> asphalt consistent with existing surface. <br /> 2.Air theigl <br /> a. What types of emissions to the air would result from the proposal during constructionLoperation, <br /> and maintenance when the project is completed? If any, generally describe and give <br /> approximate quantities if known. [Help] <br /> No regulated quantities of air emissions will be generated from initial construction activities. Dust <br /> may be generated during construction, and will be managed with water spray, if needed. <br /> Operation of a soil vapor extraction (SVE) system will require air emission permitting and <br /> monitoring according to Puget Sound Clean Air Agency (PSCAA). <br /> b. Are there any off-site sources of emissions or odor that may affect your proposal? If so, <br /> generally describe. [help] <br /> No <br /> c. Proposed measures to reduce or control emissions or other impacts to air, if any: [held <br /> SVE system will operate with either activated carbon treatment or catalytic oxidation of air effluent to meet <br /> PSCAA permit. <br /> 3. Water [help' <br /> a. Surface Water: <br /> 1) Is there any surface water body on or in the immediate vicinity of the site (including <br /> year-round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type <br /> and provide names. If appropriate, state what stream or river it flows into. [help] <br /> None <br /> 2) Will the project require any work over, in, or adjacent to (within 200 feet)the described <br /> waters? If yes, please describe and attach available plans. [help] <br /> None <br /> 3) Estimate the amount of fill and dredge material that would be placed in or removed <br /> from surface water or wetlands and indicate the area of the site that would be affected. <br /> Indicate the source of fill material. [help] <br /> None <br /> 4) Will the proposal require surface water withdrawals or diversions? Give general <br /> description, purpose, and approximate quantities if known. [help] <br /> None <br /> 5) Does the proposal lie within a 100-year floodplain? If so, note location on the site plan. <br /> [lick] <br /> No, according to Snohomish County interactive Permit, Planning, and Zoning Map, accessed <br /> online at: http://gls.snoco.org/maps/permits/index.htm <br /> 6) Does the proposal involve any discharges of waste materials to surface waters? If so, <br /> describe the type of waste and anticipated volume of discharge. [help] <br /> SEPA Environmental checklist(WAC 197-11-960) July 2016 <br />