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Figure 3. <br />Site Conceptual Exposure Model <br />Invertebrates <br />Fish <br />Terrestrial Wildlife <br />Domestic Animals <br />Battle Mountain Resources Inc. <br />_ _ <br />r <br />San Luis, Colorado <br />Primary <br />-.x- <br />x <br />x <br />x <br />x (b) <br />Release i.�. <br />Secondary <br />Transport <br />Exposure,t <br />Exposure <br />Primary Source <br />Mechanism <br />Sourcee <br />Mechanism <br />Medium +' <br />Route <br />Pyrite Formations <br />x_ <br />Groundwater <br />Shallow <br />(a) <br />Uptake <br />(both natural and in <br />Leaching <br />Groundwater <br />—�, <br />Ingestion <br />the West Pit) <br />Dermal <br />Groundwater <br />i <br />r <br />i <br />Seep <br />i <br />Uptake <br />Rito Seen Upstream <br />Rito Seco Surface <br />Ingestion <br />Inputs (RS l) <br />water i' <br />Dermal <br />De <br />f <br />Sediment Pon <br />x <br />_. _ <br />water (4-1 <br />Stream <br />Uptake <br />RS-3 Tributary <br />Inputs d <br />Stream Flow <br />Rito Seca <br />Sed <br />;Ingestion <br />O <br />°? 3rVt <br />Potential Receptors <br />Humans <br />Plants <br />Invertebrates <br />Fish <br />Terrestrial Wildlife <br />Domestic Animals <br />_ _ <br />r <br />x <br />-.x- <br />x <br />x <br />x <br />x (b) <br />x <br />x <br />x <br />x <br />x <br />x_ <br />Notes: <br />a. Shallow groundwater is not used for any municipal beneficial in the immediate vicinity of the Site. D <br />b. Although dermal contact pathways represent potentially complete exposure pathways for reereatumdl raceptors,-nonebf the COCaare toxktbmgh the'dermel route at environmental levels. - <br />c. Existing stream water data indicate that the majority of the manganese detected pis; in the dissolved form, thus, organigms may baexposed to manganese in the sediment pore water. <br />d. The RS -3 tributary stream intersects the Rito Seco approximately 3000 feet. upstream, of die. groundwatet adepand has+been shown tD have similar levels of manganese and total to. <br />hardness as reported for the downstream sampling location RS-5 on the Rito Seco. <br />Permit Number f-1 — %9-9a ( t X <br />Class: OPermit pp ppQQ,,pp <br />Class: WRevision <br />Qcc2,v 3 <br />Class: O Report O Hydro Mweral <br />_Doc Type________—__ ______— ___.___— _.____. <br />pApplication (Coal only) O Bond O EMorcement ❑ Inspection <br />IIINIIINuNIUf NINIIIIIIIINIINNIIIIN!I <br />0 0 0 1 3 0 8 0 <br />