=+Factor Description Units Low level High level

(21) (11)

A Time s 30 120 B Currcnt amp .6 3.0 C EC area cm2 57 91.2 D Volume L 1 3 E Arsenic mg/L .23 1.18 Test run Removal

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Test run Removal

(%)

Test run Removal

(%)

Test run Removal

(%)

(1) 48.70 d 35.70 e 57.20 de 36.40 a 86.50 ad 59.60 ae 81.00 ade 52.50 b 89.10 bd 69.10 be 85.10 bde 61.00 ab 97.00 abd 89.10 abe 96.90 abde 89.30 c 58.30 cd 37.00 ce 57.60 cde 47.50 ac 84.80 acd 64.80 ace 78.80 acde 55.90 bc 90.90 bcd 71.70 bce 87.30 bcde 58.50 abc 95.20 abcd 93.90 abce 97.10 abcde 89.00