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ATTACHMENT 2 <br />ENVIRONMENTAL CHECKLIST - EXPLINATIONS <br />1.)a. Preliminary investigation and information-on-hand i.idicates an unstable <br />earth condition may exist, which would require construction to correct. <br />Soil sampling and analysis will be undertaken to determine the extent <br />that the site will require conditioning and preparation. Howe��er, once <br />corrected, there will be no adverse impact generated by this project. <br />1.)b,c As indicated in the text of Attachment I, Corps of Engineers permit <br />application, a barge basin �xcavation is proposed. The excavated spoil <br />is to be relocated as fill on other portions of the site for grad'tng and <br />leveling. <br />1.)e,f There is a possibility of erosion as grading occiirs. <br />2.)a,b Current planning it�tends to minimize any sandblasting or painting on <br />the site. To the ertent practicable, all items to be assembled will be <br />finished to specifications by the manufacturer or vendor. However, there <br />may be some repair operations which would require these actions. Should <br />sandblasting and painting be necessary, we plan to use portable structures <br />for enclosure with the apnropriate air filtration systems. The other air <br />emissions wnuld be generated by '::ie construction equipment and motor vehicle <br />traffic. Dust suppression durii�g site improvements will be provided as <br />aecesssry. <br />3.)b,c <br />e Fi h It is planned to maintain the existing surface water runoff, as the only <br />surface preparation will be crushed rock and gravel. An extended storm <br />drain system for the site will be tied into the existing storm drain. <br />Some module locations will be equipped with a sewer connectiong tior �is- <br />� posal of hydrostatic testing water, which will only be contaminated dith <br />mill scale and other debris which has been deposited in the piping system <br />. during construction. Any gas conditioning facility systems with traps <br />may be tested with glycol solution; this glycol, to the extent practicable, <br />will be recovered for further use; any residue wi11 remain in the equipment <br />until assembled in Alaska. The office and warehouse buildings will be <br />equipped with sewer systems. Chemical toilets will be used at each module <br />location for construction workers. There tiaill be no discharge to harbor <br />waters. <br />3.)e Therc is a possibility of a minor accidental discharge of iucl oil. r�lso, <br />there is a possible escape of sediment during excavation of the barge <br />basin. The excavation will be conducted so as to minimi�e such escape. <br />;.)i The interpretation of this question by the applicant is that it pertains <br />to upstreaui locations that usurp water routinely used by down-stream <br />locations. The answer then is �o. <br />-1- <br />