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Type of Metal: 8'Steel ❑ Low Alloy Steel ❑ Stainless Steel ❑ Brass ❑ Copper ❑ Cupro-Nickel <br /> ❑ Other(specify) <br /> How long has this sample been in service? 7YC'�rs How long has the system been in service? 7 ye,S <br /> Is this sample(system)operated intermittently or continuously? Describe. <br /> n ee de ct 7 ob <br /> eu� e b,1 K -)-z n I e�- Z D A o Ick, <br /> I-Ln were— PC <br /> /14 n`)' <br /> Sample orientation: S-140/rizontal ❑ Vertical ❑ Slanted(specify) <br /> Mark top or bottom and flow direction on sample. <br /> List all currently used treatment chemicals(Nalco/competitive)and specify residuals. <br /> N/P 07a — 9 ??n <br /> How long has the current treatment been used? <br /> List previous treatment program(s) W 11 Z4— <br /> Describe deposits in system(thickness,color,texture,odor if any). <br /> Are deposits uniform throughout the system? Describe. f / I <br /> Specify as completely as possible the environmental conditions on the external surface of the sample(temperatures,pressures,pH, <br /> chemistry,etc.). '6�x c ) S"-C,eP r,'-c 1t V Pn /`'fin -- ± i2 Vie' <br /> —1�n P/e 't v SPS vC vc e t �P e r1 3h' <br />