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CONTENTS: RESULTS OF MONTHLY FIELD TESTS and QUARTERLY TESTING, <br />FLOW RATE CALCULATIONS, and FLOW RATE HYDROGRAPH <br />Surface Water Quality Parameters <br />SITE: SW -N217 <br />N 1593485 E2106445 <br />LOCATION SAN MIGUEL RIVER <br />CALAMITY DRAW BRIDGE <br />Date of Collection <br />Metals Analysis <br />Iron, dissolved (mg /L) <br />Iron, total <br />Manganese, total <br />Monthly Field Tests <br />Quarterly Tests <br />FIELD PARAMETERS <br />Wet Chemistry <br />Acidity as CaCO3 <br />Conductivity @25C <br />pH (lab) <br />Residue, Filterable (TDS) @180 <br />esidue, Non - Filterable (TSS) <br />Negative ( -) = less than <br />2 U = not detected at MDL (Minimum Detection Level) <br />3 H - Exceeded hold time <br />4 B = Analyte concentration detected at a value between MDL and PQL <br />STARTED SAMPLING MARCH OF 2012 <br />F \Eng\ DATA \ excel! \water \2012 \2012_ANUHYD <br />13- Mar -12 10- Apr -12 9- May -12 13- Jun -12 11- Jul -12 15- Aug -12 27- Sep -12 <br />PH 8 90 8 98 9 32 9 09 8 92 8 78 8 74 <br />Water Temperature (deg C) 8 8 11 6 17 7 21 2 28 9 25 6 13 6 <br />Conductmty(umhos /cm) 750 348 324 441 605 789 1174 <br />Approximate Instantaneous Flow (cfs) 0 0 0 0 0 111 320 80 160 22 19 9 <br />From USGS Brooks Bridge Site <br />LABORATORY PARAMETERS <br />MDL'S Units <br />0 02(B) 0 04(B) U 0 02 mgt <br />21 2 0 33 0 31 0 02 mgt <br />0 278 0 044 0 043 0 0050 mgt <br />U U <br />839 417 <br />8 4(H) 8 7(H) <br />590 270 <br />790 11(B) <br />(Appendix 2 05 6(3) -3, January 2012) THIS SITE WILL BE MONITORED FOR 4 QUARTERS BEFORE MINING TAKES PLACE <br />& 4 QUARTERS BEFORE RECLAMATION BOND RELEASE <br />U <br />856 <br />8 7(H) <br />620 <br />11(B) <br />Flow Rate (cfs) <br />350 00 <br />300 00 - <br />250 00 - <br />200 00 - <br />150 00 - <br />100 00 <br />5000 + <br />0 00 <br />Ma -12 <br />Ap -12 May-12 <br />Flow at SW - N217 <br />Jun - 12 <br />Month <br />Jul 12 Aug -12 Sep -12 <br />10 mgt <br />1 umhos/cm <br />01 SU <br />10 mgt <br />5 mgt <br />