Amlab Services Pte Ltd Certificate No. : LA-2006-0343-F 7 Soon Lee Street #03-10/11 iSpace Issue No. : 15 Singapore 627608 Date : 15 March 2018 Page : 1 of 13 FIELD OF TESTING : Environmental Testing MATERIALS / PRODUCTS TESTED TESTS / PROPERTIES STANDARD METHODS / TECHNIQUES / EQUIPMENT APHA Methods are based on the 22 nd Edition, 2012 HACH Methods are based on DR/5000. A Potable Water / 1. pH APHA 4500-H + B Water Tank 2. Appearance APHA 2110 3. Taste - 4. Odor - 5. Color HACH 8025 6. Turbidity APHA 2130 B 7. Acidity APHA 2310 B 8. Alkalinity (as CaCO3) / Bicarbonate / APHA 2320 B Carbonate 9. Hardness (Total / calcium) (as CaCO3) APHA 2340 B / C APHA 3500-Ca B 10. Conductivity / Resistivity APHA 2510 B 11. Salinity APHA 2520 B 12. Total Solid APHA 2540 B 13. Total Dissolved Solid APHA 2540 C 14. Total Suspended Solid APHA 2540 D 15. Heavy Metals (As, Cd, Cr, Fe, K, Na, APHA 3120 B Mg, Ca, Mn, Al, Cu, Pb, Ag, Be, Se, Ba, Zn, Mo, Ni, Sn, Sr, B, Sb, Tl) 16. Mercury (Hg) Mercury Analyzer 17. Fluoride (F - ) HACH 8029 / APHA 4110 B 18. Chloride (Cl - ) HACH 8113 / APHA 4110 B
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(See Appendix A - Singapore Accreditation Council (SAC) · Total Petroleum Hydrocarbon & EPA 8015C (Feb 2007) Mineral Oil * 61. Organotin (Dibutyltin,Tetrabutyltin, ISO 17353:2004
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Amlab Services Pte Ltd Certificate No. : LA-2006-0343-F 7 Soon Lee Street #03-10/11 iSpace Issue No. : 15 Singapore 627608 Date : 15 March 2018 Page : 1 of 13
FIELD OF TESTING : Environmental Testing
MATERIALS / PRODUCTS TESTED
TESTS / PROPERTIES STANDARD METHODS /
TECHNIQUES / EQUIPMENT
APHA Methods are based on the
22nd Edition, 2012
HACH Methods are based on
DR/5000.
A Potable Water / 1. pH APHA 4500-H+B
Water Tank 2. Appearance APHA 2110
3. Taste -
4. Odor -
5. Color HACH 8025
6. Turbidity APHA 2130 B
7. Acidity APHA 2310 B
8. Alkalinity (as CaCO3) / Bicarbonate / APHA 2320 B
Carbonate
9. Hardness (Total / calcium) (as CaCO3) APHA 2340 B / C
APHA 3500-Ca B
10. Conductivity / Resistivity APHA 2510 B
11. Salinity APHA 2520 B
12. Total Solid APHA 2540 B
13. Total Dissolved Solid APHA 2540 C
14. Total Suspended Solid APHA 2540 D
15. Heavy Metals (As, Cd, Cr, Fe, K, Na, APHA 3120 B
Mg, Ca, Mn, Al, Cu, Pb, Ag, Be, Se, Ba,
Zn, Mo, Ni, Sn, Sr, B, Sb, Tl)
16. Mercury (Hg) Mercury Analyzer
17. Fluoride (F-) HACH 8029 / APHA 4110 B
18. Chloride (Cl-) HACH 8113 / APHA 4110 B
Certificate No. : LA-2006-0343-F Issue No. : 15 Date : 15 March 2018 Page : 2 of 13
MATERIALS / PRODUCTS TESTED
TESTS / PROPERTIES STANDARD METHODS /
TECHNIQUES / EQUIPMENT
19. Nitrite (NO2-) HACH 8507 / APHA 4110 B
20. Nitrate (NO3-) HACH 8192 / APHA 4110 B
21. Bromide (Br-) APHA 4110 B
22. Phosphate (PO43-) HACH 8178 / APHA 4110 B /
23. Sulphate (SO42-) HACH 8051 / APHA 4110 B /
24. Nitrate Nitrogen as N APHA 4110 B
25. Ortho phosphate as P APHA 4110 B
26. Total Residual Chlorine HACH 8167
27. Free Chlorine HACH 8021
28. Cyanide (CN-) APHA 4500-CN- B / C / D / E / F
29. Ammonia APHA 4500-NH3 B / C / F
30. Ammoniacal Nitrogen as N APHA 4500-NH3 B / F
31. Total Nitrogen (TN) JIS K0102.45.5 : 2016
32. Total Phosphorus as P APHA 4500-P B / E
33. Silica (as SiO2) APHA 4500-SiO2 C / D
34. Total Organic Carbon (TOC) )
35. Dissolved Organic Carbon (DOC) ) APHA 5310 B (2014)
36. Inorganic Carbon (IC) )
37. Total Carbon (TC) )
38. Detergent (Linear alkylate sulphonate APHA 5540 C
as methylene blue active substances)
39. Total Plate Count ^ APHA 9215 B / C / D
40. Total Coliform Count ^ APHA 9221 B / APHA 9222 B
41. Total Fecal Coliform Count ^ APHA 9221 E / APHA 9222 D
42. Total Escherichia coli Count ^ APHA 9221 F /APHA 9222 B / D / G
43. Fecal Streptococcus & Enterococcus ^ APHA 9230 C
44. Legionella ^ ISO 11731: 2017
45. Chlorophyll A APHA 10200 H
46. Volatile Organic Compound (VOCs) USEPA 8260 C (Aug 2006)
12. Total Petroleum Hydrocarbon & USEPA 8015C (Feb 2007)
Mineral Oil *
13. Organotin * ISO 23161:2009
(Dibutyltin,Tetrabutyltin, Dimenthyltin,
Tricyclohexyltin, Diphenyltin)
Certificate No. : LA-2006-0343-F Issue No. : 15 Date : 15 March 2018 Page : 11 of 13
Approved Signatories
1. Mr William Pang Win Full ) For all accredited tests
2. Ms Mui Chin Nee ) For all microbiology (^) tests and all GCMS (*) tests
3. Mr Tay Sin Kit } For all microbiology (^) tests
GCMS tests are marked as asterix (*) Microbiology tests are marked as arrow (^) Note: This laboratory is accredited in accordance with the recognised International Standard ISO/IEC 17025. A laboratory's fulfilment of the requirements of ISO/IEC 17025 means the laboratory meets both the technical competence requirements and management system requirements that are necessary for it to consistently deliver technically valid test results. The management system requirements in ISO/IEC 17025 are written in language relevant to laboratory operations and operate generally in accordance with the principles of ISO 9001.
Certificate No. : LA-2006-0343-F Issue No. : 15 Date : 15 March 2018 Page : 12 of 13