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Table FS-2b <br /> Background Screening Levels - WET Genera! Parameters <br /> NCS Stockton �. <br /> IIETEmofq ORIGINALDATA LOOTRANSFORMEDDATA" BACKGROUND 'j <br /> hfYALYT>, UN FREQUENCY. !►!]?AN STD` MEAN 5i7) MAX0,tUM` SCREENING LEVEL <br /> Cal I on s: <br /> crE <br /> CALCIUM ug/1, 100% 8,030 9,120 7,516 9.232 68,800 35,211 <br /> MAGNFS1UM ug/1- 100% 3,618 4,690 3,415 3,754 32,000 14,677 � <br /> SODIUM ug/L 10070 25.600 22,050 29,442 37,508 72,200 141,965 <br /> POTASSIUM ug/l, 45.% ---` --- -- 5,970 1,951 T <br /> I <br /> Anions: � <br /> r <br /> C11I,0RIDC ug/1. R6% 12.6 15.1 15.8 41:.3 70.5 140 <br /> NITRATP ug/1, 16% --- 0.76 0.488 <br /> NITRITE ug/1_ 09a <br /> SULFA'fF.. ug/L 86% 11.3 11.2 13 28.1 47.7 97 <br /> ORT1101'110SPHATE y ug/1-, 377E --• --- - 1.3 0.59 <br /> ALKALiNIF ug/L 80� 31,100 39,800 47,462 114,523 182,000 391,552 <br /> Water Quality Parnrneters: <br /> LC umhoskm 100% 126 82,9 77 297 355 968 <br /> TD5 ug/L 100% 112XM 54,700 112,794 61,613 265,000 297,633 <br /> r <br /> 11 �I1 10096 7.59 0.957 7.6 0,969 5.73 4.69 <br /> 9.04 10.5 <br /> Nutrs: (a)Standard Deviation <br /> (b) Mertz and Staialard Deviation calculated using equations far lognonmal distAbutioru <br /> (c)Both the minimum and naximum are rcportcd for pill <br /> (d)Shaded rows indicate detection frequencies < 50%.An a9proximation to the 9X.7", <br /> li,etcenttle(equivalent to mean + 2 standard dtviatiens for a nornutl disiribucion) <br /> serves as the Waground screening level in these cases <br /> (e) Nat applicable due to dercction frequency < 50% <br /> (1) Total alkalinity as OW03 <br /> ug I L - Miciogranas per fitcr <br /> umimis I cm - microuthus her cenlimctcr <br /> 71 <br /> 1 <br /> -.1 <br />