• LIIP Admin. Bldg., LIIP, Mamplasan, Biñan, Laguna, Philippines

Work Environment Measurement or Industrial Hygiene (WEM or IH)

Testing or measurement of exposure to different health hazards such as physical, chemical, and biological hazards in the work environment.

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Work Environment Measurement or Industrial Hygiene (WEM or IH)

Parameter Test Reference
[illumination, noise, heat, temperature, relative humidity] Direct readout instrumentation

Parameter Test Reference
[General Ventilation: air velocity, air change, air supply Local Exhaust Ventilation: face velocity, capture velocity] Direct readout instrumentation

Parameter Test Reference

Dusts & Fibers: total nuisance dust (TND), total respirable dust (TRD), crystalline silica dusts, alkaline dusts, carbon black, asbestos

Metals: aluminum, antimony, arsenic, barium, beryllium, bismuth, boron, cadmium, calcium, chromium, cobalt, copper, ferric oxide, gallium, gold, indium, iron, lanthanum, lead, lithium, magnesium, manganese, mercury, molybdenum, neodymium, nickel, palladium, phosphorus, platinum, potassium, selenium, silver, sodium, strontium, tellurium, thallium, tin, titanium, tungsten, vanadium, yttrium, zinc, zirconium, hexavalent chromium

Organic Solvents: TVOC, acetone, benzene, butyl acetate, ethanol, ethyl acetate, ethylbenzene, formaldehyde, gasoline, hexane, isopropyl alcohol, kerosene, methanol, methyl ethyl ketone, methylene chloride, toluene, xylenes

Note: refer to WEM, IH & IAQ Technical Guidebook for complete list of organic solvents / organic vapors / volatile organic compounds

Acids: hydrogen chloride, phosphoric acid, hydrogen bromide, nitric acid, sulfuric acid, hydrogen fluoride, acetic acid, acrylic acid, formic acid

Gases: ammonia, carbon dioxide, carbon monoxide, chlorine, cyanide, hydrogen sulfide, methane, nitrogen dioxide, oxygen, sulfur dioxide, LEL

Others: oil mist, ozone
NIOSH, OSHA, and MASA Methodologies

Parameter Test Reference

[total bacteria, total fungi (as yeasts and molds)]

NIOSH 0800 / NIOSH 0801

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