RECOMMENDED SCOPE OF ACCREDITATION (For Testing Laboratories) * Test Method / Standard against which tests are performed

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1 Sl Product / Material of test 1 Wastewater Colour, true colour units, 2 Turbidity, NTU 3 Total dissolved solids mg/1, IS-3025 (Part 4) : 2120 /C IS-3025 (Part 10) : 2130/B IS-3025 (Part 16) : 2540 /C 4 ph IS-3025 (Part 11) : 4500 /H 5 Copper (as Cu), mg/l 6 Iron (as Fe), mg/l 7 Manganese (as Mn), mg/l 8 Nitrate (as NO3 ), mg/l 2005: 3500 /Cu 2005: 3500 Fe / 2005: 3500 /Mn IS 3025 (Part 34)- 2005: 4500 /NO Co. Pt. units NTU (1 NTU) N.A (at 2 NTU) mg/l ( at 500 mg/l) 1 to (at 7 ph) mg/l (at 50 μg/l) mg/l (at 100 µg/l) mg/l (at 100 µg/l) mg/l (at 45 mg/l) * When referring to publications like NCCLS, IP, BP, USP, ASTM, AOAC etc. kindly mention the clause Laboratories performing site testing shall clearly identify the on products(s) / material at permanent laboratory and / or at site. Refer NABL 130 for details. (s) Lead

2 Sl Product(s) / Material of test 9 Wastewater Nitrite (as NO2 ), mg/l 10 Fluoride (as F), mg/l, 11 Zinc (as Zn), mg/1 12 Chloride (as Cl), mg/ L 13 Sulphate (as SO4 ), mg/l, 14 Alkalinity (as HCO3), mg/l 15 Calcium (as Ca), mg/l 16 Magnesium (as Mg), mg/l IS 3025 (Part 34)- 2005: 4500 /NO2 - IS 3025-(Part-60): : 4500 /F : 3500/Zn IS 3025 (Part 32)- 2005: 4500/ Cl - IS 3025 (Part 24)- 1988(Reaffirmed-1998) 2005: 4500/SO4 2- IS 3025 (Part 23) (Reaffirmed-1998) 2005: 2320 DIN EN ISO April1998[ICP Technique] 2005: 3500/Ca DIN EN ISO April 2005: 3500/Mg mg/l ( at 20 μg/l) mg/l ( at 1 mg/l) mg/l ( at 5 mg/l) 50 to mg/l (at 200mg/L) 25 to 5000 mg/l (200 mg/l) 25 to 500 mg/l (at 200 mg/l) 10 to 500 mg/l ( at 75 mg/l) 10 to 250 mg/l ( at 30 mg/l) Laboratories performing site testing shall clearly identify the on products(s) / material at permanent laboratory and / or at site. Refer NABL 130 for details. Lab (s) Representative Lead

3 Sl Product(s) / Material of test 17 Waste Water Sodium (as Na), mg/l 18 Residual free chlorine, mg/l 19 Phenolic compounds (as C6H2OH), mg/l 20 Sulphide (as H2 S), mg/l 21 Mercury (as Hg), mg/l DIN EN ISO April 2005: 3500 /Na IS-3025 (Part 26)-1986 APHA 21 st Edition Cl/G IS-3025 (Part 43) :1992 (Reaffirmed 1998) APHA 21 st Edition 2005: 5530/D IS 3025 (Part 29)-1986 (Reaffirmed-1998) 2005: 4500/S : 3500/Hg 100 to 1000 mg/l ( at 200 mg/l) mg/l (at 0.2mg/L) 1.0 to 100 mg/l (at 1 mg/l) mg/l (at 0.05 mg/l) mg/l (at 1 µg/l) Laboratories performing site testing shall clearly identify the on products(s) / material at permanent laboratory and / or at site. Refer NABL 130 for details. (s) Lead

4 Sl Product(s) / Material of test 22 Waste water Cadmium (as Cd), mg/l 23 Arsenic (as As), mg/l 24 Cyanide (as CN), mg/l 25 Lead (as Pb), mg/l 26 Chromium (as Cr) mg/1 27 Nickel (as Ni) mg/1 28 Conductivity, µs/cm 29 Total Suspended Solids, mg/l 30 Chemical Oxygen Demand (COD), mg/l 31 Biological Oxygen Demand (BOD), mg/l Ammonical Nitrogen, mg/l Dissolved Oxygen (DO), mg/l 2005: 3500/Cd 2005: 3500/As IS 3025 (Part 27)- 1986(Reaffirmed-1998) 2005: 3500/Pb APHA 21 st Edition 2005: 2510 IS 3025 (Part 17) APHA 21 st Edition 2005:2540 /D IS 3025 (Part -58) : 2540 /B IS 3025 (Part 44) : 5210 /B IS 3025 (Part 17) : 4500 /NH3 IS 3025 (Part 38)- 1989(Reaffirmed-2003) 2005: 5210 /C mg/l (at 10 µg/l) mg/l (at 50 µg/l) to 1 mg/l (at 20 μg/l) mg/l (at 10 µg/l) mg/l (at 50 µg/l) mg/l (at 20 µg/l) <5000 µs/cm (at µg/l) >25.0 mg/l <3.25 lacs mg/l <1.0 lacs mg/l mg/l mg/l (at 500 mg/l) (at 500 mg/l) (at 200 mg/l) (at 5 mg/l) (at 200 mg/l)

5 Laboratories performing site testing shall clearly identify the on products(s) / material at permanent laboratory and / or at site. Refer NABL 130 for details. (s) Lead