🦺 Noise · Vibration · Lighting · Particulate · VOCs · Heavy Metals · NIOSH · OSHA · SRT 295/03

Occupational Health & Hygiene

Complete workplace monitoring — physical, chemical and biological hazards — for regulatory compliance and worker protection.

Biogroup's occupational health services are delivered by highly trained personnel with state-of-the-art equipment — providing reproducible results for noise, vibration, illumination, particulate matter, VOCs, heavy metals, thermal load, electromagnetic fields, radon, asbestos, ventilation and ergonomics. Monitoring is performed during the day, at night and on holidays to capture representative conditions.

Our monitoring team gives you a complete overview of your work environment, identifies compliance gaps and develops a sustainable corrective action plan — aligned with Argentine Law 19.587 / Decree 351/79, SRT Resolution 295/03 and international NIOSH, OSHA and ISO standards.

22 services
Physical + chemical + biological
24/7 availability
Day · night · holidays
NIOSH · OSHA · ISO
International standards
+35 years
Workplace hygiene expertise
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Complete environmental mapping
Full characterisation of the work environment across all relevant hazard categories — from noise dosimetry and vibration to chemical agent concentrations. Reports include zone maps and comparison against TLV-TWA and TLV-STEL limits.
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Regulatory compliance
Reports structured for Argentine Law 19.587 / Decree 351/79, SRT Resolution 295/03 and ART/insurance requirements. Comparison against all applicable legal limits and international benchmarks (ACGIH TLVs, NIOSH RELs, EU OELs).
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Corrective action advice
Beyond measurement — Biogroup develops corrective action plans to address identified non-compliances. Engineering controls, PPE selection, administrative measures and follow-up monitoring to verify effectiveness.
Physical hazards — noise, vibration, lighting, thermal load, radiation
Physical workplace hazards — the most frequent causes of occupational disease in Argentine industry
Noise-induced hearing loss, whole-body vibration, inadequate lighting and heat stress are among the most prevalent occupational hazards in manufacturing, construction and logistics. All measurements include comparison against the limits of Decree 351/79 and SRT Resolution 295/03.
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Noise Monitoring
NSCE · octave bands · hearing protector calculation
Measurement of the equivalent continuous sound level (NSCE) at fixed workstations and in operational zones. Octave-band frequency analysis for hearing protector selection calculation per Law 19.587 Chapter 13, Articles 85 and 86. Comparison against Decree 351/79 Annex V and SRT Resolution 295/03.
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Noise Dosimetry
Personal dose · TWA · time at level
Personal noise dosimetry worn by individual workers throughout their full shift — the only method that captures actual exposure including worker mobility. Determination of received noise dose and time-weighted average. Identifies workers requiring audiometric surveillance and mandatory hearing protection.
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Community Noise (Annoying Noises)
IRAM 4062 · 4 cardinal points · 2 time periods
Measurement of community noise impact from industrial facilities per IRAM 4062 Standard. Measurements at four cardinal points, at two time periods (06:00–22:00 and 22:00–06:00) and under two plant conditions (in operation and shut down) — the protocol required by most provincial environmental permits.
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Hand-Arm Vibration
ISO 2631 · IRAM 4079 · triaxial · A(8) daily exposure
Triaxial measurement of hand-arm vibrations transmitted by power tools, grinders, chain saws and vibrating equipment. Determination of the daily exposure value A(8) per ISO 2631 and IRAM 4079. Comparison against action values and limit values of SRT Resolution 295/03. Risk assessment for hand-arm vibration syndrome (HAVS).
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Whole Body Vibration
ISO 2631 · IRAM 4078 Parts I/II · A(8)
Triaxial measurement of whole-body vibration at the driver's seat of vehicles, construction machinery and industrial equipment. Assessment of daily exposure A(8) per ISO 2631 and IRAM 4078 Parts I and II. Comparison against action values and limit values. Critical for fork-lift drivers, earth-moving equipment operators and vehicle drivers.
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Structure Vibration
ENRE resolution · triaxial · surrounding areas
Assessment of vibration levels in the surroundings of factory premises affecting neighbouring buildings and communities. Triaxial measurement per ENRE resolution. Applied to construction sites, quarrying operations, impact machinery and facilities near residential or sensitive receptor areas.
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Illumination Measurement
Lux mapping · position-by-position · IRAM
Position-by-position lux level mapping of work areas, production sectors, warehouses, corridors and emergency routes. Identifies inadequate lighting that causes eye strain, process failures and accident risk. Includes signalling and emergency lighting verification and recommendations for general and local lighting optimisation.
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Thermal Load (Heat Stress)
WBGT · Belding-Hatch · SRT 295/03
Measurement of thermal load with determination of the Wet Bulb Globe Temperature (WBGT), Belding-Hatch index and other heat stress indices. Assessment and comparison against SRT Decree 295/03 thresholds. Critical for foundries, bakeries, laundries, boiler rooms, outdoor construction and any worker exposed to radiant heat or high ambient temperatures.
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Infrared Radiation
IR measurement · SRT Resolution 295/03
Measurement of infrared radiation intensity in workplaces involving furnaces, molten metals, glass-blowing, welding and other high-radiant-heat processes. Assessment per SRT Resolution 295/03 threshold limits.
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Radioactivity
X-ray · Gamma · Alpha · Beta · Resolution 295/03 · CNEA
Measurement of ionising radiation (X-rays, gamma, alpha and beta) in workplaces and industrial facilities with radioactive sources. Measurements per SRT Resolution 295/03 and Law 17.557/67. Radiation survey of controlled and supervised areas. Dosimetry recommendations and shielding assessment.
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Electromagnetic Fields
SRT 295/03 · CNC 3690/04 · OPDS BA 144/07
Measurement of electromagnetic fields in workplaces per SRT Resolution 295/03, Buenos Aires City CNC Protocol Resolution 3690/04 and OPDS Province of Buenos Aires Resolution 144/07. Applied to workers near high-voltage equipment, induction heating, welding machines and radiofrequency sources.
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Antenna Radiation
RF · microwave · power frequency · indoor/outdoor
Analysis of alternating electric and magnetic fields, radiofrequencies and microwaves from external installations (telephone antennas, Wi-Fi, transformers, high-voltage lines) and internal sources (appliances, electrical wiring, wireless equipment). Assessment against ICNIRP reference levels and applicable Argentine resolutions.
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Radon Gas
Rn-222 · passive detectors · Resolution 295/03
Measurement of radon gas (Rn-222) in enclosed workplaces — basements, mines, tunnels, water treatment facilities and buildings over uranium-bearing geological formations. Passive detector deployment and assessment per SRT Resolution 295/03 and CNEA guidelines.
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Explosivity
Confined spaces · LEL/UEL · continuous monitoring
Determination of explosiveness in confined spaces, tanks and enclosed areas — measuring Lower Explosive Limit (LEL) for flammable gases and vapours. Required before entry into confined spaces with potential for flammable atmosphere. Continuous monitoring during hot work operations.
Chemical hazards — airborne contaminants, personal exposure monitoring
Chemical workplace hazards — TWA and STEL exposure assessment against TLV limits
Personal air monitoring to determine time-weighted average (TWA) and short-term exposure limit (STEL) concentrations for airborne chemical contaminants — compared against ACGIH TLV-TWA, NIOSH RELs and Argentine SRT Resolution 295/03 limits. Monitoring scheduled around actual worker activities and exposure scenarios.
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Particulate Matter
NIOSH 0600 · respirable · inhalable · gravimetric
Determination of the time-weighted average environmental concentration of respirable and inhalable particulate matter per NIOSH Method 0600 (Manual of Analytical Methods, 4th ed.) and/or OSHA methods. Applied to wood dust, flour dust, silica, metal fumes, welding fumes and nuisance dust. Results compared against NIOSH RELs and SRT 295/03 limits.
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Volatile Organic Compounds (VOCs)
NIOSH 1500/1501 · charcoal tube · GC-FID/MS
Determination of the TWA environmental concentration of VOCs — solvents, hydrocarbons, aromatics (BTEX), ketones, esters — per NIOSH Methods 1500 and 1501 (Hydrocarbons BP 36–216°C). Collected on activated charcoal tubes, eluted with CS₂ and analysed by GC-FID or GC-MS. Individual compounds quantified against their specific TLV-TWA.
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Heavy Metals
NIOSH 7300 · ICP-OES · AAS · Dec. 351/79 Annex 3
Determination of the TWA environmental concentration of heavy metals — Chromium (total and hexavalent), Lead, Mercury, Cadmium, Nickel, Zinc, Iron, Manganese and others — by Atomic Absorption or ICP-OES per Decree 351/79 Annex 3 and Law 19.587. Sampled on membrane filters with acid digestion. Critical for metal fabrication, welding, battery manufacturing and surface treatment.
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Asbestos in Air
NIOSH 7400 · NIOSH 7402 · PCM · TEM · f/cm³
Qualitative-quantitative determination of asbestos fibres in the work environment per Decree 351/79 Annex 3 and Law 19.587. Phase Contrast Microscopy (PCM, NIOSH 7400) for total fibre count and TEM (NIOSH 7402) for specific asbestos identification. Comparison against OSHA PEL (0.1 f/cm³) and applicable TLVs. See also our dedicated Asbestos Analysis page.
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Inorganic Acids
HCl · H₂SO₄ · HNO₃ · H₃PO₄ · ion chromatography
Determination of inorganic acid concentrations (hydrochloric, sulphuric, nitric, phosphoric) in the work environment by ion chromatography. Applied to electroplating, fertiliser manufacturing, chemical processing and battery rooms. Comparison against TLV-STEL and TLV-TWA.
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Alkaline Mists
Caustic aerosols · ion chromatography · NaOH · KOH
Analysis of alkaline mist levels (caustic soda NaOH, potassium hydroxide KOH, ammonia and other alkalis) in the work environment by ion chromatography. Relevant for electroplating, food processing (CIP cleaning), soap and detergent manufacturing and paper mills.
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Organic Vapours
NIOSH validated methods · specific compound monitoring
Determination of individual organic vapour concentrations using NIOSH validated methods appropriate for each compound class — Tenax tubes, silica gel tubes, DNPH cartridges (for aldehydes), SUMMA canisters. Includes formaldehyde, styrene, toluene diisocyanate (TDI), ethylene oxide and other specific vapours by compound-appropriate analytical protocol.
Ventilation studies and ergonomic assessments
💨 Ventilation Study
SRT Resolution 295/03 · ACGIH Industrial Ventilation
Assessment of general and local exhaust ventilation systems in industrial workplaces per SRT Resolution 295/03 and ACGIH Industrial Ventilation Manual. Includes measurement of airflow rates, face velocities at hood openings, supply/exhaust air balance and identification of recirculation or short-circuit zones.
✓ General dilution ventilation assessment
✓ Local exhaust ventilation (LEV) performance testing
✓ Air supply/exhaust balance · airflow mapping
✓ Deficiency identification and corrective recommendations
✓ Airborne contaminant source control verification
🪑 Ergonomic Study
SRT Resolution 886/15 · RULA · REBA · NIOSH lifting equation
Workplace ergonomics studies per SRT Resolution 886/15. Assessment of musculoskeletal disorder risk factors including awkward postures, repetitive movements, manual handling loads and workstation design. Applies validated observational methods (RULA, REBA, NIOSH lifting equation, OCRA).
✓ Workstation ergonomic risk assessment (RULA/REBA)
✓ Manual handling — NIOSH revised lifting equation
✓ Repetitive task analysis — OCRA index
✓ Workstation design recommendations
✓ ART/SRT required documentation per Res. 886/15
Argentine regulatory framework — occupational health and safety
All Biogroup occupational health reports are structured for compliance with the Argentine regulatory hierarchy
🇦🇷 Argentine regulations
• Law 19.587 — Occupational Health & Safety
• Decree 351/79 — Regulatory framework, all Annexes
• SRT Resolution 295/03 — Technical specifications for occupational exposure
• SRT Resolution 886/15 — Ergonomics
• SRT Resolution 577/91 — Health programme for hazardous exposures
• SRT Resolution 743/2003 — Asbestos registry
• Law 24.557 — Occupational Risk Law (ART)
• Law 17.557/67 — Radioactivity
• ENRE resolution — Structure vibration
🌐 International standards applied
• ACGIH TLVs — Threshold Limit Values (TWA/STEL)
• NIOSH RELs — Recommended Exposure Limits
• OSHA PELs — Permissible Exposure Limits (29 CFR 1910/1926)
• ISO 2631 — Whole body and hand-arm vibration
• ISO 9612 — Noise measurement
• IRAM 4062 — Community noise
• IRAM 4078/4079 — Vibration
• ICNIRP — Electromagnetic field guidelines
• CNC / OPDS — Antenna radiation protocols
Industries we serve
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Manufacturing
Noise · vibration · dust · VOCs · thermal load
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Mining & quarrying
Dust (silica) · noise · vibration · explosivity · radon
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Metal fabrication
Welding fumes · metals · noise · vibration
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Chemical industry
VOCs · acid mists · inorganic gases · confined spaces
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Agro-industry
Grain dust · noise · pesticide vapours · thermal load
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Construction
Noise · vibration · silica dust · confined spaces
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Petroleum & gas
VOCs · H₂S · explosivity · confined spaces · radiation
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Healthcare facilities
Radiation · disinfectant vapours · latex · ergonomics
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Pulp & paper
Noise · chlorine · TRS · thermal load · ergonomics
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Transport & logistics
WBV · noise · ergonomics · diesel exhaust
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Power generation
EMF · noise · thermal load · radioactivity
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Offices & commercial
Lighting · EMF · IAQ · ergonomics · VOCs
Reference method organisations
Internationally validated measurement and analytical methods applied at Biogroup
NIOSH
National Institute for Occupational Safety and Health
Methods 0600 · 1500 · 1501 · 7300 · 7400 · 7402 — Manual of Analytical Methods 4th edition
OSHA
Occupational Safety and Health Administration
Technical Manual sampling methods · 29 CFR 1910 / 1926 PEL tables
ACGIH
American Conf. of Governmental Industrial Hygienists
TLV/BEI booklet — TLV-TWA, TLV-STEL, TLV-C for 600+ substances
ISO
International Organization for Standardization
ISO 2631 · 9612 · 11690 · 4869 — vibration, noise and acoustics
IRAM
Instituto Argentino de Normalización
IRAM 4062 · 4078 · 4079 · national standards for noise and vibration
ASTM
American Society for Testing and Materials
ASTM standard methods for physical and chemical workplace measurements
EPA
Environmental Protection Agency
SW-846 · Standard Methods for relevant chemical measurements
ETSI / ICNIRP
Telecom and EMF standards
ETSI European Telecom Standards · ICNIRP electromagnetic field guidelines
Official registrations
Provincial registry
Official Registry of Environmental Consultants, Experts and Expert Witnesses
Province of Santa Fe, Argentina
Ministerial registry
Registry of Environmental Impact Assessment Consultants
Ministry of Environment, Argentina
Related services
Noise · Vibration · Lighting · VOCs · Metals · EMF · Asbestos · Ergonomics
Need a workplace hygiene assessment?
From a single noise dosimetry study to a complete occupational hygiene survey covering all physical and chemical hazards — Biogroup provides the monitoring, analysis and corrective action advice your facility needs.
Request occupational hygiene monitoring →
📞 +54 341 425-6431 📞 +54 341 447-4486 ✉ biogroup@biogroup.com.ar 📍 3 de febrero 920 · Rosario, Argentina Mon–Fri 08:00–17:00