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ROOT & NORTON LABORATORIES Inc <br /> PO BOX 316 MONTROSE, COLORADO 81402-0316 <br /> Tel 970-249-5366 - Fax 970-240-8597 <br /> ------------------------------------------------------------- <br /> I N V O I C E <br /> -------------------------------------------------------------- <br /> To: TUSCO Inc . Date : 1/ 12/98 <br /> c/o Jerry Sandell Inv. No. 2258 <br /> CALCO Inc . <br /> PO Box 1044 <br /> Salida, CO 81201 Terms : Due net 30 days <br /> from invoice date. <br /> Quantity Description Price Ext n <br /> Re : Howardsville Mill-Water samples taken 8/ 17/97 <br /> Sample ID # 1811-1819 9 samples total <br /> 2 hrs Water sampling at mill 2 men 30 . 00 60 . 00 <br /> 18 pH, Conductivity (TDS by calculation n/c) 4 . 00 72 . 00 <br /> 6 TSS surface samples only 8 . 00 48 . 00 <br /> 9 Hardness by calculation from Ca & Mg n/c n/c <br /> 9 Total Alkalinity by titration 8 . 50 76 . 50 <br /> 36 Cations by flame AA 6 . 00 286 . 00 <br /> 54 Anions by colorimetric or titration 8 . 50 459 . 00 <br /> 9 Weak Acid Disassociable Cyanide ( color) 40 . 00 360 . 00 <br /> 27 Al Ni Ba by color 8 . 50 229 . 50 <br /> 18 B, total Cr by color 12 . 00 216 . 00 <br /> 36 Fe Mn Zn Cu by flame AA 8 . 00 288 . 00 <br /> 18 Hg, Se by hydride AA 25 . 00 450 . 00 <br /> 27 Pb, Cd, Ag br graphite furnace AA 18 . 00 486 . 00 <br /> 9 As by hydride AA 18 . 50 166 . 50 <br /> 9 Filter & preserve 2 . 5 liters each 5 . 00 45 . 00 <br /> Services Sub-Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 3, 244 . 50 <br /> Merchandise Sub-Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 . 00 <br /> Sales Tax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 . 00 <br /> Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 . 00 <br /> SUB-TOTAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 , 244 . 50 <br /> TOTAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 3 , 244 . 50 <br /> ------------------------------------------------------------- <br /> ------------------------------------------------------------- <br /> THANK YOUS <br /> Please pay from this invoice - no statement sent . <br />