| 1. Air - Air Emission Sampling & Analysis (Referenced to USEPA Test |
| Methods and Other Internationally Recognized Methods; Compliance |
| Test - EPCA (Air Impurities) Regulations 2002) |
• Source Emission Monitoring & Analysis |
| – Particulate Matter (PM) |
| – Toxic Metals: Sb, As, Cd, Cu, Pb, Hg |
| – Toxic Gases: NOx, SOx, CO, CO2 |
| – Halides & Halogens: HCI, CI2 |
| – Acids: HF, HCL, H2SO4, HNO3 |
| – Ammonia (NH3) |
| – Alkaline Dust: Sodium (Na) |
| – Dioxins & Furans |
| 2. Water - Sampling & Analysis (Referenced to APHA Test Methods and |
| Other Internationally Recognized Methods; Compliance Test - EPCA |
| Trade Effluent) Regulations 2005) |
• Wastewater / Trade Effluent |
| – Physical - pH, Turbidity, Color, Acidity, Alkalinity, Hardness, Conductivity, |
| TS, TDS, TSS |
| – Chemical - CN, CI, CI2, SO4, BOD, COD, TOC, O&G, Phenols, Surfactants |
| – Metals - Ba, Sn, Fe, Be, Mn, Cd, Cr, Cu, Pb, Ni, Se, Ag, Zn, Ca, Mg, Na, K |
| 3. Soil - Environmental Baseline Study (EBS) Referenced to JTC Guidelines |
| and the Dutch Standards for Soil & Groundwater Analysis |
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4. Noise (Referenced to BA 7445, ANSI S12.19-1996 and Other |
| Internationally Recognized Methods; Compliance Test - EPCA (Boundary |
| Noise Limits for Factory Premises) Regulations 2001 and Factories Noise |
| Regulations 1997) |
• Factory Noise |
• Boundary Noise |
| • Construction Noise |
| 5. Environmental Public Health Compliance Test - EPH (Cooling Towers and Water |
| Fountains) Regulations 2001 |
| • Cooling Tower Water & Water Fountains |
| – Legionella Bacteria |
| – Standard Plate Count |
| 6. Industrial Hygiene Monitoring (Referenced to NIOSH Test Methods and |
| Other Internationally Recognized Methods; Compliance Test - Workplace |
| Safety & Health Act (General Provisions) Regulations 2006: Permissible Exposure |
| Limits of Toxic Substances |
| • Dust |
| • Solvents |
| • Acids |
| • Oil Mist |
| • Toxic Metals (Pb, Cr, Ni, Co and Others) |
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7. Indoor Air Quality Assessment (Referenced to ANSI / ANSRAE62: |
| 1989(90) and Other Internationally Recognized Methods; IAQ |
| Guidelines : 1996) |
| • Thermal Comfort |
| – Air Temperature |
| – Air Movement |
| – Relative Humidity |
| • Chemical Airborne Contaminants |
| – Carbon Dioxide |
| – Carbon Monoxide |
| – Volatile Organic Compounds |
| – Formaldehyde |
| – Ozone |
| – Respirable Suspended Particles (RSP) |
| • Bioaerosal Contaminants |
| – Total Fungal Count (Yeast & Mold) |
| – Total Bacterial Count |
| 8. Environmental Consultancy |
| • ISO 14001 / EMS Pre-audit |
| • Environmental Impact Assessment |
| • Environmental Monitoring & Analysis |
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| Contacts |
| Lee Suet Yin |
Assistant Principal Chemist |
(65) 6660 7319 |
(65) 9845 7497 |
leesy@stengg.com |
| Ng Loon Ji |
Manager |
(65) 6660 7319 |
(65) 9450 8221 |
nglj@stengg.com |
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