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TerraLuna Environmental
  • Home
  • About
  • Services
    • COMPLIANCE PROGRAMS
    • STORMWATER
    • SPCC PLAN
    • WASTE
    • AIR COMPLIANCE
    • TIER II REPORTING
    • TRI REPORTING
    • IH - NOISE MONITORING
    • IH - AIR MONITORING
    • 2026 MSGP PERMIT RENEWAL
  • Contact US

Industrial Hygiene - Air Quality Monitoring

get a quote | Schedule an AIR Survey

OSHA Occupational AIR Monitoring Compliance ServicES

Protect Your Team from Airborne Hazards and Ensure OSHA Compliance

We help small to mid-size Texas businesses navigate the complexities of OSHA 1910.1000 Subpart Z standards. Our on-site air monitoring services are designed to identify invisible threats—from welding fumes to chemical vapor, and establish a defensible safety program without the "big firm" price tag.


TerraLuna Environmental LLC supports a wide range of Texas industries. Whether you are managing silica dust in cement or aggregate handling facility, welding fumes at fabrication shop, or solvent vapors in a coating facility, we provide the technical data you need to keep your air breathable and your business protected from costly citations.


Our Cost-Effective & Professional On-Site Air Monitoring Surveys:

  • Initial Hazard Assessment: We review your Safety Data Sheets (SDS) and processes to identify exactly which chemicals (VOCs, Dust, Fumes) need testing.
  • Personal Exposure Monitoring: Workers wear a small, silent pump that pulls air through a filter in their "breathing zone" for a full 8-hour shift. In addition, utilizing modern passive(diffusive) samplers or "badges" from a wide range of small samplers that collect vapors and gases (VOCs) without the use of a pump. 
  • Area & Source Sampling: We place monitors near specific equipment (like CNC machines or dip tanks) to test the effectiveness of your ventilation.
  • Analytical Lab Reporting: All samples are analyzed by AIHA-accredited laboratories to ensure legal defensibility.
  • Respiratory Protection Program (RPP) Support: If levels exceed the PEL, we help you develop the written program required under 1910.134.


Air contaminants are often invisible and odorless. We utilize calibrated sampling pumps and laboratory-grade media to capture exactly what your employees are breathing.
 

What we help you achieve:

  • Regulatory Compliance with OSHA 29 CFR 1910.1000 and Table Z-1, Z-2, and Z-3 limits.
  • Precise Exposure Data through professional personal and area air sampling.
  • Reduced Liability by documenting that your ventilation and controls are working.
  • Scientific PPE Selection to ensure your respirators are actually rated for the hazards present.
  • Audit-Ready Documentation for OSHA inspectors or insurance underwriters.
  • Peace of Mind knowing your facility isn't a "hidden hazard" for long-term respiratory illness.

manufacturing facility with poor indoor air quality with dust seem in the air that exposure OSHA

Manufacturing sites can produced dust that can be an exposure concern to employees 

Request a Professional Air Monitoring Solution Tailored to Your Facility

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Who This Applies To (Am I Affected?):

If your facility generates dust, smoke, fumes, mist, or chemical odors, and your employee is exposed to them, you are likely subject to OSHA Subpart Z. 


The Three Key OSHA Thresholds:

  1. PEL (Permissible Exposure Limit): The maximum concentration of an airborne contaminant an employee can be exposed to in an 8-hour shift.
  2. Action Level: Usually half of the PEL. Reaching this level often triggers mandatory periodic monitoring and medical surveillance.
  3. Ceiling & Peak Limits: For certain toxic chemicals, exposure can never exceed these levels, even for a second.


Common Contaminants We Monitor in Texas:

  • Welding Fumes: Hexavalent Chromium, Manganese, Zinc, Iron Oxide, and other metals.
  • Dust & Particulates: Respirable Crystalline Silica (cement/sand/stone), Wood Dust, and other nuisance dust or particulates. 
  • Solvents & Vapors: Acetone, Benzene, Toluene, and Xylene (common in coating/cleaning), and other Volatile organic compounds (VOCs) like Formaldehyde. 
  • Mists: Oil mists from machining and metalworking fluids.


Solutions From TerraLuna: 

We don't just hand you a list of numbers; we provide the context you need to manage your facility safely. This includes SDS reviews to pinpoint the "Target Analytes" so you don’t pay to test for chemicals that aren't there. Furthermore, extended shift calculations to adjust PELs for 10 or 12-hour shifts to ensure accurate compliance.


Common facility types we support for OSHA's Air  Contaminants standards:

  • Manufacturing and processing facilities 
  • Machine shops 
  • Metal fabrication shops/facilities
  • Blasting and Coating facilities 
  • Equipment yards and industrial service facilities
  • Oilfield Support facilities
  • Food & kindred products facilities 
  • Power generation and utility facilities 
  • Chemical manufacturers 
  • And many other industrial sectors

Employee welding exposed to the fumes may need OSHA air monitoring exposure compliance

Employees can be exposed to heavy metals through welding fumes

Not sure if your Facility's Operations may Generate Air Contaminates above OSHA's PELs?

Request a quote today

Why Air Monitoring Is Required (Plain-English Explanation)

Respiratory illnesses often take years to develop, but the liability for an employer starts the moment a worker breathes in a hazardous concentration. OSHA requires monitoring to prove that your "invisible" air quality is safe. For a small business, a single "Serious" air contaminant violations with penalties, while proactive monitoring costs a fraction of that and serves as your best insurance policy.


Why this matters for your facility:

From Houston’s refineries to DFW’s manufacturing plants, air quality is a major business liability.

  • Avoid "The Big Fine": OSHA violations for air contaminants are high-priority and expensive.
  • Protect Your Talent: Clean air reduces worker fatigue, headaches, and long-term illness.
  • Stop the Guesswork: "Smelling" a chemical isn't a scientific measurement. We provide the hard data 

Notepad with the words OSHA Occupational Safety and Health Administration

“Air compliance shouldn't be overwhelming. We break down OSHA 1910.1000 into practical steps, performing the precise sampling needed to ensure your air is safe and your business is audit-ready."


TerraLuna Environmental LLC

Where Facilities Commonly Struggle:

We routinely see OSHA Air contaminant compliance issues (noncompliance) such as: 

  • Relying on the "Sniff Test": Many facility managers assume that if they can’t smell a chemical, it isn’t there—or conversely, that a strong smell always equals a violation. Neither is true. Many dangerous contaminants (like Carbon Monoxide or certain Silica dusts) are odorless.
  • Assuming General Ventilation is Enough: Relying on open bay doors or standard HVAC systems to "clear the air" often fails to protect the employee's actual breathing zone, where concentrated fumes or dust are most hazardous.
  • Inaccurate Exposure Data: Performing "spot checks" with handheld meters instead of Full-Shift (8-hour) Personnel Monitoring. OSHA does not accept instantaneous readings as proof of TWA (Time-Weighted Average) compliance.
  • Overlooking "Mixed" Exposures: Facilities often test for one chemical but forget that OSHA 1910.1000(d) requires a specific mathematical formula for cumulative exposure when multiple chemicals are used together.
  • The "Paperwork" Gap: Missing the mandatory written Respiratory Protection Program (RPP). If your employees wear respirators, even voluntarily, OSHA requires specific documentation, medical evaluations, and fit testing.
  • Ignoring 12-Hour Shifts: Failing to adjust Permissible Exposure Limits (PELs) for extended work hours, which technically lowers the "safe" threshold for your crew.

 

Failing to conduct professional air monitoring, ignoring the implementation of engineering controls, or providing "unfitted" respirators can expose your facility to significant regulatory and legal risk. Inadequate understanding of airborne concentrations often leads to "Serious" citations during OSHA inspections.

Beyond the regulatory burden, poor air quality leads to long-term health claims, increased absenteeism, and higher insurance premiums. OSHA civil penalties for non-compliance are substantial:

  • Serious or Other-Than-Serious Violations: Up to $16,131 per violation.
  • Willful or Repeated Violations: Up to $161,323 per violation.

These fines, combined with potential "Failure to Abate" penalties of $16,131 per day, can create devastating financial and operational consequences for small to mid-sized Texas facilities. 


Solutions from TerraLuna: We close these gaps by conducting lab-certified on-site air surveys, executing precise breathing-zone dosimetry, and providing the defensible documentation needed to prove your facility meets OSHA’s stringent Table Z limits. 

Employees covering their nose and mouth not to breath in the poor air quality dust in manufacturing

Don’t risk air quality fines! Let us help you identify and close your noncompliance issues!

Reach out today and let our experts handle your compliance needs

Why choose TerraLuna Environmental, LLC?

We understand that small-medium Texas businesses can't afford a full-time EHS manager. We act as your fractional safety department, providing high-level expertise with a local, personal touch. 


What sets us apart:

  • SME-Friendly Pricing: High-quality industrial hygiene services at a price point that makes sense for small shops
  • We understand the specific industrial landscape of the Lone Star State
  • Clear Communication: No over-complicated jargon—just clear steps to keep you compliant
  • Deep knowledge of OSHA 1910.1000 Subpart Z standards


Find out more about TerraLuna Environmental, LLC in our ABOUT US Page!

TerraLuna Environmental LLC Logo

“Our mission is to help Texas facilities identify and control invisible airborne hazards. We provide the lab-certified data and expert guidance you need to navigate OSHA’s strict air contaminant rules, ensuring your business stays compliant while your team breathes easy"


TerraLuna Environmental LLC

Frequently Asked Questions

Please reach us at terralunaenv@outlook.com or call or text us at if you cannot find an answer to your question.

 An OSHA air monitoring survey may be required when:

  • You introduce new chemicals, or other sources of airborne pollutants 
  • Employees report odors, headaches, or respiratory irritation
  • Safety Data Sheets (SDS) list OSHA exposure limits
  • You perform welding, abrasive blasting, spray coating, or chemical mixing
  • OSHA inspects your facility
  • You modify ventilation systems

If there is a “reasonable possibility” of overexposure, OSHA expects documented evaluation.


TerraLuna Compliance Solutions: We evaluate your processes and determine whether monitoring is required under OSHA standards, including substance-specific rules like silica, hexavalent chromium, VOCs, solvents, and lead.


Yes, especially when welding stainless steel or specialty alloys. Welding fumes may contain manganese, hexavalent chromium, nickel, and other regulated metals. OSHA requires employers to assess employee exposure levels.


TerraLuna Compliance Solutions: We perform personal breathing-zone welding fume monitoring and compare results directly to OSHA PELs and Action Levels.


Most coating operations involve solvents such as toluene, xylene, MEK, acetone, or isocyanates. In addition, paints will always have Volatile Organic Compounds (VOCs). These chemicals have OSHA exposure limits, and spray operations can easily exceed Short-Term Exposure Limits (STELs).


TerraLuna Compliance Solutions: We perform VOC air monitoring (which includes most solvents), isocyanate sampling, and 8-hour TWA testing to ensure your spray operations meet OSHA requirements.


Yes. Abrasive blasting and grinding can generate respirable crystalline silica, which is regulated under OSHA’s Silica Standard, specially if sand is being use for the abrasive media-sandblasting. Employers must conduct an exposure assessment unless objective data proves exposures are below limits.


TerraLuna Compliance Solutions: We conduct respirable silica sampling using calibrated pumps and laboratory analysis that meets OSHA Method requirements..


Yes. OSHA compliance officers may request documentation showing how you determined employee exposures are below PELs. If you cannot produce data or documented justification, citations may follow.


TerraLuna Compliance Solutions: We provide inspection-ready air monitoring reports with sampling methods, lab analysis, and compliance conclusions clearly documented.


Yes. OSHA requirements apply regardless of company size. Small and mid-size facilities are frequently cited for failing to conduct exposure assessments, especially in welding, fabrication, and solvent-use operations.


TerraLuna Compliance Solutions: We specialize in cost-effective air monitoring solutions designed specifically for small and medium manufacturing businesses.


Monitoring frequency depends on:

  • Whether exposures exceed Action Levels
  • Substance-specific OSHA standards
  • Changes in production or chemicals
  • Ventilation or process modification

Some standards require periodic testing if exposures are near regulatory thresholds.


TerraLuna Compliance Solutions: We establish a practical monitoring schedule that keeps you compliant without unnecessary testing costs.


No. Having exhaust fans or dust collectors does not prove compliance. OSHA requires verification that engineering controls are effective via air monitoring study. 


TerraLuna Compliance Solutions: We evaluate your ventilation system performance and confirm whether employee exposures are below OSHA PELs by performing an air monitoring survey. 


Chemical manufacturing often involves multiple regulated airborne contaminants, including solvents, acids, formaldehyde, and other hazardous chemicals. OSHA requires employers to assess exposure risks.


TerraLuna Compliance Solutions: We conduct comprehensive industrial hygiene air monitoring programs tailored to chemical processing and blending operations.


If exposure exceeds OSHA PELs, corrective actions may include:

  • Engineering controls
  • Process changes
  • Administrative controls
  • Respiratory protection programs
  • Follow-up testing

Ignoring exceedances can result in citations and substantial penalties.


TerraLuna Compliance Solutions: We develop corrective action plans focused on engineering solutions first, helping reduce liability and improve workplace safety.


Yes. Extended shifts require adjustment of exposure limits using OSHA-recognized models. Many facilities overlook this requirement, increasing compliance risk.


TerraLuna Compliance Solutions: We apply proper extended-shift calculations to ensure your facility remains compliant under longer work schedules. 


Industries frequently requiring exposure assessments include the following but not limited to:

  • Metal fabrication and machining shops
  • Welding facilities
  • Coating and painting contractors
  • Abrasive blasting companies
  • Chemical manufacturing plants
  • Plastics manufacturing
  • Wood product manufacturing
  • Food processing facilities

If your operation creates dust, fumes, vapors, or mists, air monitoring may be required.


TerraLuna Compliance Solutions: We design industry-specific air monitoring programs that align with your operations and regulatory obligations. 


OSHA requires employers to determine if employees are exposed to hazardous airborne contaminants above Permissible Exposure Limits (PELs). If your facility welds, paints, grinds, blasts, uses solvents, handles chemicals, or generates dust or fumes, you likely need an exposure assessment — and air monitoring is often the only defensible way to document compliance.


TerraLuna Compliance Solutions: We evaluate your processes and determine whether OSHA-required exposure monitoring applies. If it does, we conduct compliant sampling and provide regulator-ready documentation. 


No. SDS sheets list hazard information, but they do not measure actual employee exposure. OSHA requires employers to assess real-world conditions, not theoretical hazards.


TerraLuna Compliance Solutions: We convert SDS information into a practical exposure monitoring plan tailored to your facility.


  • PEL (Permissible Exposure Limit): The maximum legal exposure allowed under OSHA.
  • TWA (Time-Weighted Average): Average exposure over an 8-hour shift.
  • STEL (Short-Term Exposure Limit): 15-minute exposure limit for certain chemicals.

Some chemicals have ceiling limits that cannot be exceeded at any time.


TerraLuna Compliance Solutions: Our reports clearly compare your results to all applicable OSHA exposure limits and explain what they mean for your operations.


Yes, especially if products contain xylene, toluene, MEK, acetone, or other VOCs. Short-duration, high-concentration tasks can exceed Short-Term Exposure Limits (STELs), even if total daily exposure seems low.


TerraLuna Compliance Solutions: We perform both 8-hour TWA and short-term sampling to capture real-world exposures during peak tasks.


Yes. Respirators do not eliminate the requirement to assess exposure levels. In fact, OSHA requires air monitoring data to properly select respirators and determine Assigned Protection Factors (APFs).

Without monitoring, your Respiratory Protection Program may be incomplete.


TerraLuna Compliance Solutions: We conduct exposure monitoring to validate respirator selection and ensure your Respiratory Protection Program meets OSHA requirements. 


Most personal air sampling is conducted over a full work shift (8-hour TWA), though short-term sampling may take 15 minutes for STEL evaluations. A typical facility survey can be completed in one day, depending on size and complexity.


TerraLuna Compliance Solutions: We minimize disruption to operations while collecting accurate, OSHA-compliant data.  


Do You Have Additional Questions? Talk to our Industrial Hygiene Compliance Consultant

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 Occupational health standards shouldn't be a hurdle to your facility's production. We provide industrial hygiene expertise you need to handle OSHA air and noise requirements with total ease. Reach out today for a consultation.

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