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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 - NOISE MONITORING

get a quote | Schedule a Noise Survey

Occupational Noise Monitoring & OSHA Compliance Services

Protect Your Workforce and Ensure OSHA Compliance for Texas Facilities

We help small to mid-size Texas businesses navigate the complexities of OSHA 1910.95 Occupational Noise Exposure standards. Our on-site noise monitoring services are designed to identify hazardous noise levels and establish compliant Hearing Conservation Programs (HCP) without the "big firm" price tag.


TerraLuna Environmental LLC supports a wide range of Texas industries, from machine shops and fabrication facilities to manufacturing plants and warehouses. We provide the technical data you need to protect your employees' hearing and shield your business from costly OSHA citations.


Our approach is scientific and efficient: we measure actual noise levels, determine employee "dose" exposure, and provide clear, actionable reports to keep your facility compliant.


Our Cost-Effective Services & Professional On-Site Noise Surveys

We utilize professional-grade, calibrated equipment to conduct comprehensive noise assessments tailored to your specific facility layout and shift schedule.


Our Noise Monitoring Services Include:

  • Area Monitoring (Sound Level Meters): We use high-precision Sound Level Meters (SLMs) to create "noise maps" of your facility, identifying specific zones where noise exceeds 85 dBA.
  • Personnel Monitoring (Noise Dosimetry): We equip employees with wearable Dosimeters to measure their actual 8-hour Time-Weighted Average (TWA) exposure as they move through their daily tasks.
  • Detailed Compliance Reporting: You receive a formal report including noise maps, employee dose percentages, and clear recommendations.
  • Hearing Conservation Program (HCP) Development: We help you build the required written program if your noise levels reach the OSHA "Action Level."
  • Engineering & Administrative Control Recommendations: Practical advice on reducing noise at the source to potentially "sample out" of reporting requirements.
  • Employee Training Support: Assistance with required annual noise safety training for affected staff. 
  • Remonitoring Requirements: Under 1910.95(d)(3),facilities must conduct new noise surveys whenever changes in production, equipment, or processes occur that might increase noise levels or change who is exposed
     

What we help you achieve:

  • Regulatory Compliance with OSHA 29 CFR 1910.95 standards.
  • Accurate Exposure Data through professional Area and Personnel monitoring.
  • Reduced Liability by documenting exactly who needs to be in a Hearing Conservation Program.
  • Audit-Ready Documentation to present during OSHA or insurance inspections.
  • Peace of Mind knowing your business is protected from "noise-induced hearing loss" claims.

Consultant holding a Sound level meter to monitored for OSHA noise exposure compliance decibels

Request a Professional Noise Monitoring Solution Tailored to Your Facility

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Who This Applies To (Am I Affected?):

OSHA's occupational noise regulations apply to nearly all general industry employers. If your employees must raise their voices to be heard by someone standing three feet away, you likely have a noise problem that requires monitoring. 


The Three Key OSHA Thresholds:

  1. Action Level (85 dBA TWA): At this level, you must implement a written Hearing Conservation Program, provide annual hearing tests (audiograms), and offer hearing protection.
  2. Permissible Exposure Limit (90 dBA TWA): At this level, hearing protection becomes mandatory, and you must implement feasible engineering or administrative controls to reduce noise.
  3. Impulse/Impact Noise (140 dB Peak): No employee can be exposed to "sharp" noises (like hammering or blasting) above this level without immediate protection.

We don't just hand you a list of numbers; we provide the context you need to manage your facility safely.


Common facility types we support for OSHA's Occupational Noise Exposure 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 with PPE noise protection for OSHA noise exposure compliance in an manufacturing  site

Not sure if your Facility's Operations exceeds the OSHA's Action Level of 85 dBA TWA?

Request a quote today

Why Noise Monitoring Is Required (Plain-English Explanation): 

Noise-induced hearing loss is permanent but 100% preventable. OSHA requires monitoring to ensure that workers aren't losing their hearing slowly over years of service. For a small business, a single "Standard Threshold Shift" (hearing loss) in an employee can lead to increased insurance premiums and targeted OSHA inspections. Professional monitoring proves you are doing your "due diligence" as an employer.


Simplified Regulatory Background:

For small and mid-sized businesses, the federal language of OSHA 29 CFR 1910.95 can be overwhelming. Simply put, OSHA requires every employer to provide a workplace free from noise hazards that could cause permanent hearing loss.


Why this matters for your facility:

From Houston’s manufacturing hubs to DFW’s machine shops—noise isn't just a nuisance; it’s a liability. Proactive monitoring protects your workers and your bottom line. 

  1. Avoid Costly OSHA Fines
  2. Limit Workers’ Comp Liability
  3. Boost Productivity & Safety

Note pad with a paper that has OSHA Occupational safety health administration text

“Noise monitoring shouldn't be a guessing game. We break down OSHA 1910.95 into manageable, practical steps—performing the precise Area and Personnel monitoring needed to ensure your business meets federal standards without unnecessary overhead."


TerraLuna Environmental LLC, Your Noise Exposure Consultant

Where Facilities Commonly Struggle:

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

  • Relying on "Phone Apps": Smartphone apps are not calibrated and do not hold up in an OSHA audit. Or, using non-professional equipment that does not meet ANSI standards, rendering the data useless during an audit.
  • Inaccurate Exposure Data: Relying on "spot checks" rather than full-shift dosimetry, which misses intermittent high-noise tasks.
  • Missing Documentation: Failing to keep noise monitoring records for the OSHA-required two-year minimum.
  • Ignoring "Intermittent" Noise: Just because it’s quiet sometimes doesn't mean the TWA is below the limit.
  • Incorrect HPD (PPE) Selection: Providing earplugs that don't actually block enough noise (NRR rating) for the specific environment.
  • Missing Annual Training: Failing to document that employees were taught how to wear their earplugs correctly.

 

Failing to conduct professional noise surveys, ignoring the implementation of a Hearing Conservation Program (HCP), or relying on uncalibrated equipment can expose your facility to significant regulatory and legal risk. Inadequate understanding of employee noise "dose" or failing to document 8-hour Time-Weighted Averages (TWA) often leads to compliance gaps that trigger OSHA inspections and costly enforcement actions.

Beyond the regulatory burden, lacking defensible noise data leaves your business vulnerable to permanent hearing loss claims and increased workers' compensation premiums. OSHA civil penalties for non-compliance are substantial: * Serious or Other-Than-Serious Violations: Up to $16,131 per violation. 


These fines, combined with the potential for "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 ANSI-compliant on-site noise surveys, executing precise personnel dosimetry, developing written Hearing Conservation Programs, and providing the defensible documentation needed to stand up to OSHA scrutiny. 

Employee at a manufacturing site complaining on noise levels closing his ears OSHA compliance

Don’t risk fines! Contact us for a professional noise monitoring solution tailored to your needs

Reach out today and let our experts handle your Noise 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 1910.95 Occupational Noise Exposure standards


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

TerraLuna Environmental LLC Logo

“Our mission is to shield Texas facilities from the risks of noise-related citations and claims. We provide the professional guidance you need to navigate OSHA rules with total confidence, while protecting your most valuable asset, your people."


TerraLuna Environmental LLC, Your Noise Exposure Consultant

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.

Area monitoring (Sound Level Meters) is great for stationary equipment or to identified the facility's loud noise areas, but if your workers move around the shop, OSHA generally requires Personnel Dosimetry. 


TerraLuna Compliance Solutions:  We provide both Area SLM and Personnel Dosimeter monitoring services. Depending on the facility, we use a combination of both to give you the most defensible data possible.


OSHA requires re-monitoring whenever there is a "change in production, process, equipment, or controls" that might increase noise. Most facilities benefit from an audit every 1-2 years to account for machine wear and tear. 


TerraLuna Compliance Solutions: We provide "Remonitoring Triggers" in our reports so you know exactly when to call us back.


85 decibels is roughly the sound of a vacuum cleaner or a busy urban street. If you have to shout to be heard by a coworker, you are likely at or above the OSHA Action Level. 


TerraLuna Compliance Solutions: We perform a "Quick-Scan" audit to tell you if full monitoring is even necessary, saving you money if your shop is already quiet.


While apps are great for a "quick check," they are not calibrated and do not meet the ANSI S1.4 standards required by OSHA for compliance. Using non-certified data during an audit can actually lead to a citation for "inadequate monitoring." 


TerraLuna Compliance Solutions: We use professional-grade, calibrated Type 2 Sound Level Meters and Dosimeters to provide data that is legally and regulatorily defensible.


Yes. OSHA regulates "Impulse/Impact" noise separately. No employee can be exposed to peak sound levels exceeding 140 dB without immediate protection. In fabrication and metal shops, these "spikes" are often the primary cause of hearing loss. 


TerraLuna Compliance Solutions: Our equipment captures these micro-second peaks that standard meters miss, ensuring your safety program accounts for the most damaging sounds in your shop.


OSHA’s 85 dBA Action Level is strictly based on an 8-hour workday. If your employees work 12-hour shifts, the "Action Level" is technically adjusted downward to 82.1 dBA. This means a noise level that is "safe" for an 8-hour shift could actually trigger a mandatory Hearing Conservation Program for your 12-hour crew. 


TerraLuna Compliance Solutions: We don't just look at the raw decibel numbers. We use "Extended Shift Adjustments" to calculate the true noise dose for your 10 or 12-hour shifts, ensuring your facility stays compliant with OSHA’s cumulative exposure rules.


An STS is a permanent change in an employee's hearing compared to their baseline test. If your monitoring is poor, you may be held liable for this hearing loss. 


TerraLuna Compliance Solutions: Our data helps you prove whether your workplace noise levels were high enough to cause the shift or if the protection provided was adequate.


If an employee contacts OSHA regarding loud conditions or a lack of hearing protection, the agency will typically send you a "Notice of Alleged Hazard." You must respond in writing with proof that you have investigated and addressed the issue.

TerraLuna Compliance Solutions: We provide the "Rapid-Response Monitoring" needed to answer these letters. By conducting a professional survey immediately, we give you the data to prove compliance or show a clear plan for correction, often preventing a formal on-site inspection.


If an employee contacts OSHA regarding loud conditions or a lack of hearing protection, the agency will typically send you a "Notice of Alleged Hazard." You must respond in writing within 5 working days with proof that you have investigated and addressed the issue. 


TerraLuna Compliance Solutions:  We provide the "Rapid-Response Monitoring" needed to answer these letters. By conducting a professional survey immediately, we give you the data to prove compliance or show a clear plan for correction, often preventing a formal on-site inspection.


Yes. OSHA can target specific high-noise industries common in Texas, such as metal fabrication and woodworking. Additionally, if an inspector is at your site for a different reason (like a forklift safety check) and notices a loud environment, they can expand the inspection to include a full noise audit.

TerraLuna Compliance Solutions: We help you stay "Audit-Ready" year-round. Our noise maps and dosimetry reports are specifically formatted to be handed directly to an inspector, showing that you are proactive rather than reactive.


For most small-to-medium facilities, the cost of purchasing, calibrating, and learning to use professional dosimeters (which can cost $1,500+ each) and understanding the unit's software far exceeds the cost of a professional survey. Furthermore, there is a chance of compliance gaps due to all the aspects and complexity of a noise study and instruments that are used. 


TerraLuna Compliance Solutions: We provide the equipment, the expertise, and the final report for a flat project fee, saving you the capital expense and the learning curve. 


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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