Table 2

Parameters . | Range . | Equation . |
---|---|---|

pH | 7 | P = 1 |

>7 | P = exp((y − 7.0)/1.082 | |

<7 | P = exp((7.0-y)/1.082 | |

% DO | <50 | P = exp(−(y − 98.33)/36.067) |

50–100 | P = (y − 107.58)/14.667 | |

150–200 | P = (y − 79.543)/19.054 | |

BOD | <2 | P = 1 |

2–30 | P = y/1.5 | |

TDS | ≤500 | P = 1 |

500–1,500 | P = exp((y − 500)/721.5) | |

1,500–3,000 | P = (y − 1,000)/125 | |

3,000–6,000 | P = y/375 | |

TH | ≤75 | P = 1 |

75–500 | P = exp(y + 42.5)/205.58 | |

>500 | P = (y + 500)/125 | |

Cl | ≤150 | P = 1 |

150–250 | P = exp((y/50) − 3)/1.4427 | |

>250 | P = exp((y/50) + 10.167)/10.82 | |

≤20 | P = 1 | |

20–50 | P = exp((y − 145.16)/76.28) | |

50–200 | P = y/65 | |

≤150 | P = 1 | |

150–2000 | P = ((y/50) + 0.375)/2.5121 | |

F^{−} | 0–1.2 | P = 1 |

1.2–10 | P = ((y/1.2) – 0.3819)/0.5083 |

Parameters . | Range . | Equation . |
---|---|---|

pH | 7 | P = 1 |

>7 | P = exp((y − 7.0)/1.082 | |

<7 | P = exp((7.0-y)/1.082 | |

% DO | <50 | P = exp(−(y − 98.33)/36.067) |

50–100 | P = (y − 107.58)/14.667 | |

150–200 | P = (y − 79.543)/19.054 | |

BOD | <2 | P = 1 |

2–30 | P = y/1.5 | |

TDS | ≤500 | P = 1 |

500–1,500 | P = exp((y − 500)/721.5) | |

1,500–3,000 | P = (y − 1,000)/125 | |

3,000–6,000 | P = y/375 | |

TH | ≤75 | P = 1 |

75–500 | P = exp(y + 42.5)/205.58 | |

>500 | P = (y + 500)/125 | |

Cl | ≤150 | P = 1 |

150–250 | P = exp((y/50) − 3)/1.4427 | |

>250 | P = exp((y/50) + 10.167)/10.82 | |

≤20 | P = 1 | |

20–50 | P = exp((y − 145.16)/76.28) | |

50–200 | P = y/65 | |

≤150 | P = 1 | |

150–2000 | P = ((y/50) + 0.375)/2.5121 | |

F^{−} | 0–1.2 | P = 1 |

1.2–10 | P = ((y/1.2) – 0.3819)/0.5083 |

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