Malaysia_1_surface.pdf

  • Uploaded by: Syafiq Hassan
  • 0
  • 0
  • November 2019
  • PDF

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA


Overview

Download & View Malaysia_1_surface.pdf as PDF for free.

More details

  • Words: 1,116
  • Pages: 6
close

National Water Quality Standards For Malaysia CLASS PARAMETER UNIT I IIA/IIB III# IV

Al As Ba Cd Cr (IV) Cr (III) Cu Hardness Ca Mg Na K Fe

mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l

‒ 0.05 1 0.01 0.05 ‒ 0.02 250 ‒ ‒ ‒ ‒ 1

(0.06) 0.4 (0.05) ‒ 0.01* (0.001) 1.4 (0.05) 2.5 ‒ ‒ ‒ ‒ ‒ ‒ 1

Pd Mn Hg Ni Se Ag Sn U Zn B Cl Cl2 CN F

mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l

0.05 0.1 0.001 0.05 0.01 0.05 ‒ ‒ 5 1 200 ‒ 0.02 1.5

0.02* (0.01) 0.1 0.004 (0.0001) 0.9* 0.25 (0.04) 0.0002 0.004 ‒ 0.4* (3.4) ‒ (0.02) 0.06 (0.02) 10

0.5 0.1 ‒ 0.01 0.1 ‒ ‒ ‒ ‒ ‒ 3 SAR ‒ 1 (Leaf) 5 (Others) 5 0.2 0.002 0.2 0.02 ‒ ‒ ‒ 2 0.8 80 ‒ ‒ 1

V

NO2 mg/l 0.4 0.4 (0.03) NO3 mg/l 7 ‒ P mg/l 0.2 0.1 Silica mg/l 50 ‒ SO4 mg/l 250 ‒ S mg/l 0.05 (0.001) CO2 mg/l ‒ ‒ Gross‒α Bg/l 0.01 ‒ Gross‒β Bg/l 1 ‒ Ra‒226 Bg/l < 0.1 ‒ Sr‒90 Bg/l < 1 ‒ CCE µg/l 500 ‒ MBAS/BAS µg/l 500 5000 (200) O&G (Mineral) µg/l 40 ; N N O&G (Emulsified µg/l 7000 ; N N Edible) PCB µg/l 0.1 6 (0.05) Phenol µg/l 10 ‒ Aldrin/Dieldrin µg/l 0.02 0.2 (0.01) BHC µg/l 2 9 (0.1) Chlordane µg/l 0.08 2 (0.02) t‒DDT µg/l 0.1 (1) Endoslufan µg/l 10 ‒ Heptachlor/Epoxide µg/l 0.05 0.9 (0.06) Lindane µg/l 2 3 (0.4) 2,4‒D µg/l 70 450 2,4,5‒T µg/l 10 160 2,4,5‒TP µg/l 4 850 Paraquat µg/l 10 1800 Notes * = At hardness 50 mg/l CaCO3 # = Maximum (unbracketed) and 24‒hour average (bracketed) concentrations N = Free from visible film sheen, discolouration and deposits

1 5 ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒ ‒

Sourse : EQR2006

  National Water Quality Standards For Malaysia CLASS PARAMETER UNIT I IIA IIB III IV

Ammoniacal Nitrogen Biochemical Oxygen Demand Chemical Oxygen Demand Dissolved Oxygen pH

mg/l

0.1

0.3

0.3

0.9

2.7

V > 2.7

mg/l

1

3

3

6

12

> 12

mg/l

10

25

25

50

100

> 100

mg/l ‒

5 ‒ 7 6 ‒ 9

5 ‒ 7 6 ‒ 9

3 ‒ 5 5 ‒ 9

< 3 5 ‒ 9

< 1 ‒

Colour Electrical Conductivity* Floatables Odour Salinity Taste Total Dissolved Solid Total Suspended Solid Temperature

TCU µS/cm

7 6.5 ‒ 8.5 15 1000

150 1000

150 ‒

‒ ‒

‒ 6000

‒ ‒

‒ ‒ % ‒ mg/l

N N 0.5 N 500

N N 1 N 1000

N N ‒ N ‒

‒ ‒ ‒ ‒ ‒

‒ ‒ 2 ‒ 4000

‒ ‒ ‒ ‒ ‒

mg/l

25

50

50

150

300

300

°C



Normal + 2 °C 50 100



Turbidity Faecal Coliform** Total Coliform

NTU 5 count/100 10 ml count/100 100 ml

5000

Normal + ‒ 2 °C 50 ‒ ‒ 400 5000 5000 (20000)a (20000)a 5000 50000 50000

Notes * = At hardness 50 mg/l CaCO3 # = Maximum (unbracketed) and 24‒hour average (bracketed) concentrations N = Free from visible film sheen, discolouration and deposits

  DOE Water Quality Index Classification

‒ ‒ ‒ > 50000

Sourse : EQR2006

PARAMETER

UNIT

Ammoniacal Nitrogen Biochemical Oxygen Demand Chemical Oxygen Demand Dissolved Oxygen pH Total Suspenbed Solid Water Quality Index (WQI)

Class I Class IIA Class IIB Class III Class IV Class V

CLASS

CLASS

mg/l mg/l

I < 0.1 < 1

II III IV 0.1 ‒ 0.3 0.3 ‒ 0.9 0.9 ‒ 2.7 1 ‒ 3 3 ‒ 6 6 ‒ 12

V > 2.7 > 12

mg/l

< 10

10 ‒ 25

25 ‒ 50

50 ‒ 100

> 100

mg/l ‒ mg/l ‒

> 7 > 7 < 25 < 92.7

5 ‒ 7 6 ‒ 7 25 ‒ 50 76.5 ‒ 92.7

3 ‒ 5 1 ‒ 3 5 ‒ 6 < 5 50 ‒ 150 150 ‒ 300 51.9 ‒ 31.0 ‒ 76.5 51.9

< 1 > 5 > 300 > 31.0

  Water Classes And Uses USES

Conservation of natural environment. Water Supply I ‒ Practically no treatment necessary. Fishery I ‒ Very sensitive aquatic species. Water Supply II ‒ Conventional treatment. Fishery II ‒ Sensitive aquatic species. Recreational use body contact. Water Supply III ‒ Extensive treatment required. Fishery III ‒ Common,of economic value and tolerant species;livestock drinking. Irrigation None of the above.

Sourse : EQR2006

  DOE Water Quality Classification Based On Water Quality Index INDEX RANGE SUB INDEX & WATER QUALITY INDEX CLEAN SLIGHTLY POLLUTED POLLUTED

Biochemical Oxygen Demand(BOD) Ammoniacal Nitrogen(NH3‒N) Suspended Solids(SS) Water Quality Index(WQI)

91 ‒ 100 92 ‒ 100 76 ‒ 100 81 ‒ 100

80 ‒ 90 71 ‒ 91 70 ‒ 75 60 ‒ 80

0 ‒ 79 0 ‒ 70 0 ‒ 69 0 ‒ 59

Sourse : EQR2006

WQI FORMJLAAND CALCULATION FORMULA

   

WQI = (0.22* SlDO) + (0.19*SIBOD) + (0.16*SICOD) + (0.15*SIAN) + (0.16 * SISS) + (0.12 * SipH) where; SIDO = Sublndex DO (% saturtlon) SIBOD = Sublndex BOD SICOD = Sublndex COD SIAN = Sublndex NH3‒N SISS = Sublndex SS SipH = Sublndex pH 0 ≤ WQI ≤ 100

  BEST FIT EQUATIONS FOR THE ESTIMATION OF VARIOUS SUBINDEX VALIES Sublndex for DO (In % saturatlon) SIDO = 0 SIDO = 100 SIDO = ‒0.395 + 0.030x2 ‒ 0.00020x3   Sublndex for BOD SIDOD = 100.4 ‒ 4.23x SIDOD = 108* exp(‒0.055x) ‒ 0.1x   Sublndex for COD SICOD = ‒1.33x + 99.1 SICOD = 103* exp(‒0.0157x) ‒ 0.04x   Sublndex for NH3‒N SIAN = 100.5 ‒ 105x SIAN = 94* exp(‒0.573x) ‒ 5* I x ‒ 2 I SIAN = 0   Sublndex for SS SISS = 97.5* exp(‒0.00676x) + 0.05x SISS = 71* exp(‒0.0061x) + 0.015x SISS = 0   Sublndex for pH SlpH = 17.02 ‒ 17.2x + 5.02x2 SlpH = ‒242 + 95.5x ‒ 6.67x2 SlpH = ‒181 + 82.4x ‒ 6.05x2

  for x ≤8 for x ≤92 for 8 < x < 92   for x ≤ 5 for x > 5   for x ≤ 20 for x > 20   for x ≤ 0.3 for 0.3 < x < 4 for x ≥ 4   for x ≤ 100 for 100 < x < 1000 for x ≥ 1000   for x < 5.5 for 5.5 ≤ x < 7 for 7 ≤ x < 8.75

SlpH = 536 ‒ 77.0x + 2.76x2   Note: *means multlply wlth

for x ≥ 8.75  

      pagetop   close

More Documents from "Syafiq Hassan"

Malaysia_1_surface.pdf
November 2019 15
Quiz Chapter 1
August 2019 17
Basic Conc. Envi.docx
November 2019 9
Ayat Utk Email.docx
November 2019 10
Nitrite.docx
November 2019 18