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B C LABORATORIES LABORATORIES QUALITY CONTROL REPORT - LEVEL III (Precision & Accuracy) ARCADIS GERAGHTY & MILLER, INC Date of Report 01/26/99 3100 STATS STREET, SUITE 350 Sample Matrix Groundwater SANTA BARBARA, CA 93105 S CULLEN Samples Affected 98-14554-1 - 98-14554-3 11 1 I I I I I M8 I MSD I I I 1 Precision) 1 Accuracy II I I Sample I Sample I MS MSD I Spike I Spike ISamplelSpike I Control I MS I MSD I Control 11constituents IQC Sample ID I Result IDuph cate I Result I Result I Level I Level (units IR P D IR P D I Limits It Rec It Rec I Limits II -------------- Calcium _ 114554-1 1 9D 8 90 9„ I 98 4 98 9 1 10 2 I 10 2 IM/L I 0 I 1 I 201H MEANIH MEANI 65 - 115,1 IIMa nesium 14554-1 40 7 40 9 50 3 50 6 10 2 10 2 L 0 1 1 201.94 1 97 1 85 - 11511 ((Sodium 14554-1 82 5 82 4 90 8 91 10 2 10 2 1mqjL 0 0 201H MEANIH MEAN I 8S - 11511 Potassium 14554-1 5 876 5 891 15 7 15-B 10 2 t 10 2 L 0 1 201 96 97 t 85 - 11511 IlBicarbonate for 62.3 14534-9 2 60 2 59 3 95 3 93 1 33 1 1 33 IM18 titr 1 0 1 20 102 1100 f 80 - 12011 Bicarbonate for #1 14554-1 2 60 2 62 3 95 3 92 1 33 1 1 33 JmJB titr I 1 1 20 102 1 99 80 - 12011 IlChloride 14554-2 159 2 159 1 260 257 2 100 D 1 100 0 L 0 1 10 101 1 98 90 - 11011 IlSulfate 14554-2 61 6 61 47 167 9 165 4 100 0 100 0 fmqjL 0 1 2 10 106 1104 9p-- 11011 IlNitrate Nitrite as H03 14554-1 c 0 4 e 0 4 8 877 8 877 1 9 320 9 320 L HRH 14554-1 7 98 B 00 JVH Units 0 I PH UN 0 ()Electrical Conductivity I I I I I I I I 1 [ 1 I 1 I 11 II O 25 C 14554-1 1160 1160 OTotal Dissolved Solids umhas cm 0 10 II I I I I I I I I f I I I I I n II a 180 C 114554-1 I 660 I 643 3 I I 1 I Img/L 1 3 1 1 101 1 1 11 MS - Matrix Spike, MSD Matrix Spike Duplicate, RPD . Relative Percent Difference H Mean - sample concentration is four times greater than the spike level Quagonanno icer 41 00 Atlas Ct Bakersfield CA 93300 (605]327-451 1 FAX[8053 327-1 91 e