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SURFACE WATER FLOW & QUALITY PARAMETERS SITE SW-N7 ' LOCATION UPPER WEST RETURN DITCH DATE OF COLLECTION 09/20/92 04;20/92 FIELD PARAMETERS Contluctivity cUMHOS/CM) 1090 1811 ' pH 7.93 B.v9 - Water Temperature (DEG C) 18.9 13.90 Flow (CFS) 0.771 0.001 ' LABORATORY PARAMETERS ACIDITY, DISS. (mg/1 OF CAC03) 0 0 ' ALKALINITY, DISS. /mg/1 OF CAC03> 236 416 ALUMINUM, TOTAL RECOVERABLE (mg/1) -0.05 0.07 ARSENIC, TOTAL RECOVERABLE (µg/1) -1 1 BARIUM, TOTAL RECOVERABLE (µa/1) 50 50 ' BICARBONATE, DISS. (mg/1) 236 459 BORON, DISS. (µg/1) 160 260 CADMIUM, TOTAL RECOVERABLE (µg/1) CALCIUM, DISS. (mg/1) -5 122 -0.1 19B CARBONATE, DISS. (mg/1) 0 24 CHLORIDE, DISS. (mg/1~) 8 28 CONDUCTIVITY a 25 DEG C (UMHOS/CM) 955 1730 COPPER, TOTAL RECOVERABLE (µg/1) -10 -10 FLOURIDE, DISS. (mg/1) 1 1.6 HARDNESS AS CAC03 (mg/1)~ 510 1032 IRON, DISS. (mg/1) -0.02 -0.02 IRON, TOTAL (mg/1) 0.04 0.04 ' LEAD, TOTAL RECOVERABLE (µg/1> MAGNESIUM, DISS. (mg/1) -20 50 -1 131 MANGANESE, DISS. (mg/1) 0.07 0.44 MANGANESE, TOTAL img/1) 0.44 ' MERCURY, TOTAL RECOVERABLE (µg/1) -O.1 -0.1 MOLYBDENUM, TOTAL RECOVERABLE (µg/1) 1 -1 NICKEL, TOTAL RECOVERABLE (µg/1) -20 -20 NITROGEN, AMMONIA, DISS. (mg/1) 0.10 -0.05 ' NiTP,OGEN, IVITRATE, DISS. (mg/1) -0.02 0.17 NITROGEN, NITRITE, DISS. cmg/1) -0.01 0.01 ' RH a 25 DEG C .. PHOSPHATE AS PD4, DISS. (mg/1) 7.9 0.1 8.4 -G.1 POTASSIUM, DISS. (mg,'l) 4 6 SELENIUM, TOTAL RECOVERABLE (µg/1) -1 -_ ' SODIUM, DISS. img;:) 29 H3 SODIUM ADSORPTION RATIO 0.56 .14 SUL=ATE, DISS. (mg/1) 354 7~.3 2ULFIDE, TOTAL (ma/1) -0.02 -G.02 ' i'J TAL SUSPENDED SOLIDS imgili -2 0 ..WC. TOTAL ~ECDVERABLE (ug/1> -10 -1G C~ T IONi ANI O~~i 'cALANCE ( ;: 1 -3.34 -'~, 53 TOTAL DISSOLVED SOLIDS m 180 DEG (ma!1~ 70~ ,_14 TC T-iL DISSOL'.%.D SOLIDS, CALCULATED (ma!1) ?~~ :~~~' ' _. NAgative = i==_=_ than. D-3