HOKLAS 039 Scope of AccreditationContact Details Registration No. HOKLAS 039 Page 1 of 1
Contact details last updated on: 2 August 2021
039 TEST
:
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong
ENQUIRY
TELEPHONE
: 2788 5613
FAX
: 2788 5608
E-MAIL
Ref: HOKLAS039-62
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039 TEST
ADDRESS

: 4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

Arsenic, Cadmium, Mercury, Lead In-house method TCM-METAL-1
(microwave digestion/ICP-MS)
alpha-BHC (GC-ECD and GC-MSD (2,4’-DDT only))
beta-BHC
delta-BHC
Lindane
Aldrin
Dieldrin
Endrin
cis-Chlordane
Trans-Chlordane
Oxychlordane
Heptachlor
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

(DPD colorimetric method)
pH Value APHA 21e 4500-H+ B
(Glass electrode)
Hardness (as CaCO3) APHA 21e 2340 C
Total Dissolved Solid dried at 180°C APHA 17e 2540 C
Volatile Suspended Solids ignited at 550°C APHA 17e 2540 E
Total Suspended Solids dried at 103o-105°C APHA 17e 2540 D
Dissolved Oxygen BS 6068: Section 2.15: 1986
Total solids dried at 103o-105°C APHA 18e 2540 B
Turbidity APHA 18e 2130 B
Trace Metals :-
Acid digestion procedure:
- Aluminum, Antimony, Barium, Beryllium, Cadmium, APHA 18e 3030 A, 3030 E & 3030 F.3b
Calcium, Chromium, Cobalt, Copper, Gold, Iron, Lead,
Magnesium, Manganese, Molybdenum, Nickel, Potassium,
Silver, Sodium, Thallium, Tin, Vanadium and Zinc
- Arsenic, Selenium, Mercury In-house method WTM-ICPMS-1
(nitric acid / hydrochloric acid and nitric acid)
- Aluminum, Antimony, Arsenic, Barium, Beryllium, In-house method WTM-ICPMS-1
Cadmium, Calcium, Chromium, Cobalt, Copper, Gold, (ICP-MS)
Iron, Lead, Magnesium, Manganese, Mercury, ,
Molybdenum, Nickel, Potassium, Selenium, Silver,
Sodium, Thallium, Tin, Vanadium and Zinc
Scope of Accreditation
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

(cont'd)
- Chloride In House Method WTM-IC-1
(ion chromatography)
(ion chromatography)
- Nitrogen (Kjeldahl) APHA 22e 4500-Norg B & 4500-NH3 C
- Alkalinity (as CaCO3) APHA 21e 2320 B
- Total Cyanide In House Method WTM-CN-3
(By FIA)
(ion chromatography)
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

(cont'd) (cont'd)
- Fluoride APHA 21e 4500-F – C
- Total Phosphorus APHA 21e 4500-PB.5 & E
- Nitrogen (Ammonia) In-house Method WTM-NH3-4
(By FIA)
(By FIA)
(By FIA)
(By FIA)
(By FIA)
(in aqueous absorbing solution for air sampling)
Scope of Accreditation
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

(cont'd)
- Biochemical Oxygen Demand BS 6068 : Section 2.14 : 1990
- Chemical Oxygen Demand APHA 21e 5220 B
APHA 18e 5220 D
- Anionic surfactants as MBAS In House Method WTM-MBAS-1
(Colorimetric)
(Colorimetric)
Polycyclic Aromatic Hydrocarbons: In-house Method WTM-PAH-1
Naphthalene; Acenaphthene; Acenaphthylene; (GC/MSD)
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

(cont'd) (cont'd)
2,4’-Dichlorobiphenyl (8) (GC-ECD)
2,2’5 - Trichlorobiphenyl (18)
3,3’,4,4’,5-Pentachlorophenyl (126)
2,2’,3,3’,4,4’5 - Heptachlorobiphenyl (170)
2,2’,3,4,4’,5,5’ - Heptachlorobiphenyl (180)
2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187)
2,2’,3,3’,4,4’,5,6-Octachlorobiphenyl (195)
2,2’,3,3’,4,4’,5,5’,6-Nonachlorobiphenyl (206)
Scope of Accreditation
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

(cont'd) (cont'd)
chloroform; dibromochloromethane; dichloromethane; (GC-MSD)
m,p-xylene; o-xylene
Sediment and Sludge Total solids dried at 103-105oC In House Method WTM-TS-4
(Gravimetric)
Cobalt, Copper, Lead, Mercury, Manganese, (ICP-MS)
Molybdenum, Nickel, Tin, Zinc
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

Naphthalene; Acenaphthene; Acenaphthylene; (GC-MSD)
2,4’-Dichlorobiphenyl (8) (GC-ECD)
2,2’5 - Trichlorobiphenyl (18)
3,3’,4,4’,5-Pentachlorophenyl (126)
2,2’,3,3’,4,4’5 - Heptachlorobiphenyl (170)
2,2’,3,4,4’,5,5’ - Heptachlorobiphenyl (180)
2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187)
2,2’,3,3’,4,4’,5,6-Octachlorobiphenyl (195)
2,2’,3,3’,4,4’,5,5’,6-Nonachlorobiphenyl (206)
Scope of Accreditation
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

Paints (Solventborne and Waterborne)
Acetone
Dichloromethane
(ASTM D2369-101)
(ASTM D4017-02 Reapproved 2008)
(ASTM D1475-98 Reapproved 2012)
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

- E. coli DoE (1983) The Bacteriological Examination of Drinking
Water Supplies, 1982
Bacterial Confirmation: in-situ urease test
- Total Coliform DoE (1983) The Bacteriological Examination of Drinking
Water Supplies, 1982
Bacterial Confirmation: 7.9.4.3
Water, Wastewater, and - Heterotrophic Plate Count APHA 23e 9215 A&B
Cooling Tower Water
Legionella pneumophila
Legionella pneumophila
Legionella pneumophila
- Total Suspended Solids dried at 103-105°C APHA 22e 2540D
Scope of Accreditation
Ref: HOKLAS039-62
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039 TEST
4/F, HKPC Building, 78 Tat Chee Avenue, Yau Yat Chuen, Kowloon, Hong Kong

Food
- - Antimony, Arsenic, Cadmium, Chromium, Lead, (ICP-MS)
Mercury, Tin