OMLI takes special pride in pioneering these services in the Philippines and established a reputation unequalled in the industry. Its analytical capability is a showcase of the methods prescribed by the United States Environmental Protection Agency (USEPA) and American Public Health Association (APHA). The scope of this expertise includes:
WATER, WASTEWATER, AND SOLID WASTE ANALYSIS
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Analysis of water and wastewater
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Sewage sludge
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Solids, sediments and streams
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Surface materials for land development
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Analysis of waste material (TCLP)
AIR MONITORING, SAMPLING, AND ANALYSES
Stack Gas (Method 29)
Accredited Source Emission Testing Firm by DENR in compliance with DENR AO 1998-63 Guideline. Authorized to conduct stack testing limited to the  following methods and parameters: USEPA Method 1 to 5 for Particulate Matter, USEPA Method 6/8 for Sulfur Dioxide, USEPA Method 7 for Oxides of Nitrogen and USEPA Method 10 for Carbon Monoxide, USEPA Method 11 for Hydrogen Sulfide and USEPA Method 29 for Metals.
Ambient Air
OMLI is equipped with state-of-the-art ambient air monitoring equipment which satisfies DENR DAO 2000-81 and USEPA Methods. OMLI provides technical expertise and assistance to its customers from assessment, sampling to data analysis and interpretation.
Work Environment Measurement
Work Environment Measurement (WEM) refers to the sampling and analysis carried out in respect of the atmospheric working environment and other fundamental elements of working environment for the purpose of determining actual conditions therein (Rule 1077.2, OSHS).