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• <br /> 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 . 2259 <br /> CALCO Inc. <br /> PO Box 1044 <br /> Salida, CO 81201 Terms : Net due 30 days from <br /> invoice date . <br /> ------------------------------------------------------------- <br /> Quantity Description Price Ext`n <br /> ------------------------------------------------------------ <br /> ------------------------------------------------------------ <br /> Re : Howardsville Mill Water samples taken 10/4/97 <br /> Sample ID #1868-1876 9 samples total <br /> 2 hrs Water sampling at mill 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 8 . 00 288 . 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 . . . . . . . . . . . . . . . . . . . . . . . . I . . . . . . . . . . . . . . . 0 . 00 <br /> Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 . 00 <br /> SUB-TOTAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 , 244 . 50 <br /> TOTAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 3 , 244 . 50 <br /> ------------------------------------------------------------- <br /> ------------------------------------------------------------- <br /> THANK YOU! <br /> Please pay from this invoice - no statement sent . <br />