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# JM Environmental: JM Environmental, Inc. is one of the most recognized leaders in the Hazardous Materials Abatement and Demolition Industry. We believe in exceeding expectations and keeping safety and compliance as top priorities.

## Sitemaps
[XML Sitemap](https://jmenvironmental.net/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Crawl Space Mold Removal: Causes, Health Risks, & Effective Solutions](https://jmenvironmental.net/blog/crawl-space-mold-removal/): A damp crawl space can become a perfect place for mold to grow. Leaks, poor drainage, and trapped moisture are some of the most common causes.
- [Can Undisturbed Asbestos Be Dangerous? Learn the Facts](https://jmenvironmental.net/blog/undisturbed-asbestos-facts/): If you own an older home or commercial building in Sacramento Valley, you must have spotted some old insulation in the attic, noticed crumbling drywall in a storage room, or heard stories from other business owners about the dangers of this infamous material. This might leave you wondering: "Should I just leave it alone, or is it really that dangerous?"
- [Mold Keeps Coming Back? Find the Cause & Fix It Permanently](https://jmenvironmental.net/blog/why-mold-keeps-returning/): You must have cleaned that dark, stubborn patch in your bathroom or closet. Then, a few weeks later, the exact same spot develops those familiar, fuzzy dark specs all over again. It's frustrating, and you might wonder why this is happening.
- [What to Do Before a Home or Building Asbestos Inspection](https://jmenvironmental.net/blog/asbestos-inspection-before-removal/): If your home or building was built before the late 1980s, there is a chance that some materials may contain asbestos. Common places where asbestos can be found include old flooring, ceiling textures, insulation, siding, and other building materials. Before starting a renovation, demolition, or major repair project, an asbestos inspection may be required to identify any potential hazards.
- [Mold Growth in Summer: Causes, Risks, and How to Prevent It](https://jmenvironmental.net/blog/mold-growth-during-summer/): Summer in the Central Valley is all about long, sun-scorched days and rising temperatures, but did you know it is also a recipe for indoor mold growth? Most people assume mold is a winter problem caused by rain and freezing pipes. But it results from high outdoor temperatures, increasing humidity, and regular air conditioning usage. Together, these conditions create the perfect environment for hidden mold growth during the hottest months.
- [How to Identify Asbestos Safely: Can You See or Smell It?](https://jmenvironmental.net/blog/can-you-see-or-smell-asbestos/): Renovating or completely remodeling an old building is exciting, but it often comes with its own set of challenges. In an old structure, you have no idea what materials were used during the construction or whether they can be safely removed without proper inspection and testing or require special handling, like Asbestos Removal.
- [Is It Mold or Dirt? 11 Common Places to Check in Your Home](https://jmenvironmental.net/blog/mold-or-dirt-11-places-to-check-home/): When you notice dark spots on your bathroom ceilings, a grime-like build-up behind furniture, or smudges along the window frames, you likely know you have a "mold problem" to deal with. However, it is easy to confuse mold with common household dirt, and this is where things get tricky. If the problem is misidentified, it can quickly escalate.
- [What OSHA Safety Rules Must Demolition Companies Follow?](https://jmenvironmental.net/blog/osha-safety-rules-demolition/): Before you opt for demolition services, your safety and everyone else's should come first. You want the job done fast, but more importantly, you want it done right, without risks, delays, or unexpected hazards. 
- [How Indoor Air Quality & Mold Prevention Impact Healthy Living](https://jmenvironmental.net/blog/mold-and-indoor-air-quality/): When people think about healthy living, they usually focus on diet, exercise, and sleep. But there is another important factor that many homeowners overlook - indoor air quality. 
- [Demolition Takeoffs 101: How to Get Accurate Estimates](https://jmenvironmental.net/blog/demolition-takeoff-basics/): If you're planning a demolition project, you must have heard about demolition takeoffs. It sounds technical, and you may not have any idea of it. But it's your roadmap to avoiding budget blowouts and project delays.
- [Mold vs Asbestos vs Lead Removal: What You Should Know](https://jmenvironmental.net/blog/mold-vs-asbestos-vs-lead-removal-differences/): Terms like mold abatement, asbestos abatement, and lead removal are pretty popular these days, and for a good reason.
- [Mold in HVAC & Air Ducts: Signs, Health Risks & Safe Cleaning](https://jmenvironmental.net/blog/mold-in-hvac-system-signs-risks-solutions/): When you return home after a long and hot afternoon, you need that refreshing blast of cool air. But what if, as you turn on the AC, you catch a whiff of something musty blowing from the vents?
- [Underground Demolition: Safe Removal of Foundations, Tanks & Concrete](https://jmenvironmental.net/blog/safe-underground-demolition-services/): As a homeowner or a property owner, you might not usually think about what's really going on under the surface when a demolition project starts. 
- [Will Cold Weather Remove Mold? Winter Mold Prevention Guide](https://jmenvironmental.net/blog/will-cold-kill-mold-winter-facts/): If you think that mold grows only in the warm season and you don't have to worry about it during winter, you might be mistaken.
- [How Modern Technology Helps Detect and Remove Asbestos](https://jmenvironmental.net/blog/asbestos-detection-and-removal-technology/): Most people think asbestos is a problem of the past, and is something found only in old buildings or history books. But that's not true. Asbestos remains in many older homes and workplaces across the U.S., often hidden in walls, floors, ceilings, and pipes. 
- [Understanding Demolition Types – A Helpful Guide for Your Next Project](https://jmenvironmental.net/blog/different-types-of-demolition-methods/): Are you planning to demolish your building for some renovations around the property or a complete upgrade? Here, the one thing that you must know - demolition isn't one size fits all. 
- [Mold Removal Made Simple: Concrete Floors, Walls & Patios](https://jmenvironmental.net/blog/mold-removal-concrete-floors-walls-patios/): Taking care of your house means ensuring every part of it is safe, beautiful, and comfortable. So when green or black mold shows up on concrete and starts making your home smell bad or stain your floors, patio, and walls, you need a lasting solution that will restore the surfaces to a clean and healthy look.
- [Key Insights on Demolition for Accessory Dwelling Units in California](https://jmenvironmental.net/blog/adu-demolition-rules-and-permits-in-california/): Before you consider building an ADU (Accessory Dwelling Unit) on your California property, it's important to know that sometimes you may need to tear something down first. The old garages, broken sheds, or unused structures might have to go to make space for your new ADU.
- [Mold on Drywall? Here’s What Causes It and How to Fix It](https://jmenvironmental.net/blog/drywall-mold-causes-and-remediation-tips/): A strange musty smell, or a tiny dark patch on the wall, can leave anyone wondering. What's that? 
- [Asbestos in Your Commercial Property: Landlord or Tenant Responsible?](https://jmenvironmental.net/blog/asbestos-removal-in-commercial-property/): Asbestos is one of those hidden dangers that often go unnoticed in commercial buildings, tucked away in flooring, insulation, and ceilings for decades until it becomes a serious concern.
- [How to Identify Toxic Mold and What Steps to Take for Safe Mold Removal](https://jmenvironmental.net/blog/toxic-vs-non-toxic-mold-signs-and-solutions/): If you live in Stockton, you've probably dealt with mold at some point in your house.
- [Rebuild or Renovate? Discover What Truly Boosts Property Value](https://jmenvironmental.net/blog/rebuild-or-renovate-after-demolition/): You've looked at the cracked foundation, the outdated floor plan, and that stubborn roof leak one too many times. Now, after finally deciding to tear it all down, you're facing the next big question -
- [Demolition or Deconstruction? Compare Costs, Timelines, and Benefits](https://jmenvironmental.net/blog/demolition-vs-deconstruction-expert-tips/): Planning to tear down your structure? Maybe you're clearing land for a new building, or renovating a property to give it a fresh start. However, before you proceed, you'll face an important decision, and it might be the toughest one.
- [Discovered Orange Mold? Learn Causes, Risks & How to Prevent It](https://jmenvironmental.net/blog/orange-mold-prevention-tips/): Mold is one of those unwelcome guests no homeowner wants to deal with. Still, it can pop up in the most unexpected places, such as around ceilings, windowsills, kitchen sinks, or even in damp bathroom corners. You might be familiar with the typical black or green mold, but spotting orange mold can come as a surprise.
- [Asbestos in a Home? What Every Buyer and Seller Needs to Know](https://jmenvironmental.net/blog/asbestos-in-home-buy-sell-tips/): If you're buying or selling a home in California, one question might stop you in your tracks: Can you sell or buy a house with asbestos? It's a common question if your home was built before the 1980s, when asbestos was used for insulation of boilers and pipes, or in siding or roofing materials. 
- [Excavation & Demolition Projects: Risks, Types & Safety Tips](https://jmenvironmental.net/blog/demolition-excavation-safety-tips/): Several studies suggest that excavation is one of the most hazardous types of work done in the construction industry. Any minor ignorance often leads to very severe injuries and even death. Did you know that every year in the United States, excavation accidents lead to around 100 fatalities and injure more than 1,000 workers?
- [Attic Mold in Hot Summers? Prevention and Treatment Guide](https://jmenvironmental.net/blog/prevent-attic-mold-in-summers/): Summers are known for intense heat and poor air circulation, which can create moisture buildup in enclosed spaces like attics.. Without proper ventilation, this trapped heat and humidity can lead to excess moisture settling on surfaces, an ideal condition for mold growth.
- [Top 8 Heavy Equipment Used in Demolition Projects](https://jmenvironmental.net/blog/heavy-equipment-for-demolition/): Quick question for you: How do you picture a building being demolished? Perhaps with swinging wrecking balls, clouds of dust everywhere, and huge buildings instantly crashing down to the ground. 
- [Uncover the Truth About Asbestos in Your Home](https://jmenvironmental.net/blog/reasons-professional-asbestos-testing/): Before you start with any renovation, demolition, or even minor repair in an older building, there's something you need to do first - asbestos testing. It helps find hidden asbestos, which could be lurking behind walls or under floors. 
- [5 Simple Tips for a Safe and Easy Residential Demolition Project](https://jmenvironmental.net/blog/residential-demolition-safety-tips/): Demolishing a residential property is sometimes necessary for safety, redevelopment, or structural improvements. Over time, buildings can suffer damage from natural disasters or simply outlive their intended use. When a structure or even a specific part of it reaches the end of its lifespan, it can become unsafe and needs to be removed.
- [Asbestos Explained: Types, Risks & How to Recognize Them](https://jmenvironmental.net/blog/asbestos-types-and-safety-guide/): Asbestos is a material present naturally in our environment and is widely used in homes and industries. The reason behind its popularity is its unique properties, like resistance, durability, and insulation, but asbestos is also known for its hazardous nature. Materials that contain a higher percentage of asbestos are dangerous and can cause health risks. 
- [Uncovering the Health Risks of Mold in Schools and How to Stop It](https://jmenvironmental.net/blog/mold-prevention-for-schools/): As students and teachers return from a well-deserved break, they bring renewed energy, unaware that mold may be silently spreading throughout the school. During a long holiday break, the schools remain closed and may retain moisture, resulting in mold growth. 
- [Asbestos Removal: Fines, Legal Risks & Safety Rules in Stockton, CA](https://jmenvironmental.net/blog/asbestos-removal-diy-risks-and-laws-stockton/): Asbestos removal from your property is tricky, especially in California, as it involves health risks and legal complexities. Did you know that Asbestos is a cancer-causing agent and should only be removed by a registered asbestos abatement contractor?
- [Guide to Spotting and Removing Mold with Top Mold Killers](https://jmenvironmental.net/blog/best-mold-killers-home-prevention-tips/): Imagine bearing a musty smell in your home, noticing dark patches creeping along your walls, or experiencing unexplained allergy symptoms like sneezing, coughing, or watery eyes. You might consider it seasonal or an allergic infection, but what if it is something more serious?
- [Is Demolition Really Easy? Let’s Uncover the Truth](https://jmenvironmental.net/blog/demolition-myths-and-reality/): What picture comes to your mind when you think about the demolition process of a building? Perhaps a picture of a dramatic explosion or the buildings crashing down to the ground within seconds, right? Well, that's the image most of us have in mind. But in reality, demolition is a far more subtle and intricate process. 
- [Demolition with Precision: Safety First, Every Time](https://jmenvironmental.net/blog/demolition-in-earthquake-prone-areas/): Earthquakes are an ever-present threat in California! If you're a resident of this Golden State of America, you're living along the Pacific Ring of Fire with active fault lines like the San Andreas Fault, crisscrossing the state.
- [Hidden Mold Dangers: Should You Test Before Buying a House?](https://jmenvironmental.net/blog/mold-testing-before-buying-new-house/): Buying a home is a big deal in anyone’s life. It’s a lifetime investment that requires enough caution and effort. Are you also ready to buy your dream home? Then, you must have conducted enough research about it. After all, it’s your dream coming true moment, and you want to make the most of it.
- [Fire Debris Removal vs. Restoration: Understanding the Key Differences](https://jmenvironmental.net/blog/fire-debris-removal-vs-restoration/): You need fire for cooking, heating, light, manufacturing, etc. Fire is an incredibly useful energy for humankind when used responsibly. Any minor mistake or carelessness can result in severe outcomes. 
- [Asbestos Abatement in Business Spaces: When and Why?](https://jmenvironmental.net/blog/asbestos-abatement-commercial-properties/): magine a day when you walk into your office building, say hello to your colleagues, and laugh with them. It sounds like just another day, right?
- [Best Practices for Controlling Demolition Dust](https://jmenvironmental.net/blog/ways-to-control-demolition-dust/): When you're getting your building demolished - it is important to minimize dust to keep your site clean and protect the environment. If you've ever seen a demolition project - you know how quickly dust can spread and degrade the air quality, leading to potential health issues.
- [Tips to Prevent Mold Growth After Fire Debris Cleanup](https://jmenvironmental.net/blog/mold-control-after-fire-debris-removal/): After a fire accident, it is important to remove the debris. If not removed on time, it can lead to health risks due to exposure to hazardous materials such as - asbestos, melted metals, electronics, degraded roofing tiles, etc. However, the removal process comes with hidden risks that many homeowners overlook. One of the most significant issues homeowners usually face is - mold growth.
- [Your Guide to a Complete Pre-Demolition Checklist](https://jmenvironmental.net/blog/pre-demolition-planning-checklist/): If you have decided to demolish your building, there is a certain checklist that needs to be marked green before you proceed.
- [Basement Mold Control: Expert Tips on Removal and Prevention](https://jmenvironmental.net/blog/basement-mold-removal-and-prevention/): Ah, mold - they are the uninvited guest that refuses to leave anytime soon. Well, all it needs to thrive is some moisture and dark spaces - such as your basement. These fuzzy fungi are usually caused by leaky pipes, high humidity, or Sacramento's seasonal rain - especially during winter spells. In short, we can say - mold thrives wherever moisture lingers. 
- [Asbestos Poisoning: How to Identify Symptoms and Take Precautions](https://jmenvironmental.net/blog/asbestos-poisoning-symptoms-and-actions/): As per a trusted study, asbestos is the cause of approximately 255,000 deaths in the US. It is usually found in soil and rock. For several years, people have been using the material for several purposes, including - making candle wicks and fabric fiber.
- [Demolition of Fire-Damaged Structures: Best Practices & Safety Considerations](https://jmenvironmental.net/blog/fire-damaged-demolition-tips-and-safety-guide/): Demolishing a burnt building can be painful, both figuratively and literally. The process is a complex mix of sifting, clearing, and tearing the building down. The only convenient way to do it is to hire a demolition company. 
- [Signs Your Ceiling Tiles May Contain Asbestos](https://jmenvironmental.net/blog/signs-of-asbestos-in-ceiling-tiles/): For decades, asbestos has been commonly used in building materials as it is fire-resistant, durable, and affordable. 
- [What Is White Mold and Is It Dangerous?](https://jmenvironmental.net/blog/is-white-mold-dangerous/): When we think of mold, the picture that usually comes to mind is of a harmless, dark goop on your ceiling. But did you know that the picture is factually incorrect? Mold is not just harmful, but it also comes in a different hue - white. And… anything white is considered harmless, right?
- [Why Dry Fogging Doesn’t Work for Mold Remediation?](https://jmenvironmental.net/blog/why-dry-fogging-fails-mold-removal/): When's the last time you've heard about mold problems in a property? Perhaps a friend complained about musty smells, or you saw those black spots across your bathroom's ceiling. But the truth is, they aren't just ugly and prevalent but also a silent health hazard! You can experience chronic respiratory issues and allergic reactions due to molds. 
- [Importance & Advantages of Professional Demolition Services](https://jmenvironmental.net/blog/benefits-of-professional-demolition-services/): Several studies reveal that Demolition work is very dangerous and often leads to serious accidents. 
- [Residential Demolition vs. Commercial Demolition:Types and Techniques](https://jmenvironmental.net/blog/residential-vs-commercial-demolition/): When we think of demolition, the first thing that comes to mind is a building being torn down and dust flying everywhere. However, there is a lot that goes on behind the curtains. Demolition is carried out using specific equipment and techniques, in accordance with legal procedures and only with approval from local authorities.. It's a highly professional job that requires strategic calculations to prevent any mishap during the process.
- [Questions to Ask a Demolition Contractor](https://jmenvironmental.net/blog/questions-to-ask-demolition-contractor/): Are you about to hire a demolition crew but are unsure of how to proceed?
- [How to Eliminate Black Asbestos Mastic?](https://jmenvironmental.net/blog/how-to-remove-black-asbestos-mastic/): With DIYs on the rise, it is easy to search for ways to remove black asbestos mastic on your own and without any professional assistance. However, let it be known that just like mold removal requires expert hands, removal of black asbestos mastic also needs professional intervention.
- [Mold vs. Mildew: Understanding the Key Differences](https://jmenvironmental.net/blog/mold-vs-mildew/): Are you mistakenly calling that white fuzzy growth in your shower harmless mildew? Well, think again! Mistaking mold for its harmless cousin, mildew, can cost you thousands of dollars! Plus, these toxic black molds can destroy your drywall and trigger asthma attacks.
- [How Long Does Asbestos Stay in the Air?](https://jmenvironmental.net/blog/asbestos-in-the-air/): Did you know that whenever you disturb asbestos products, they release tiny fibers that remain in the air and could be risky for your health if inhaled? Yes, these fibers can result in serious diseases like lung cancer or Mesothelioma.
- [The Significance of Proper Asbestos Removal in Demolition](https://jmenvironmental.net/blog/asbestos-removal-demolition-significance/): If you are contemplating a demolition project, chances are you are already quite aware of the dangers related to asbestos removal.
- [Strategies to Avoid Mold Growth Post-Flood](https://jmenvironmental.net/blog/tips-to-prevent-mold-after-flood/): When you finally step back into your home and resume your daily activities after a flood, you could be thinking to yourself, "The worst is over." But is it really so? Well, maybe the stagnant water isn't a threat anymore, but now you could be facing another big issue - molds!
- [Solutions for Demolition Dust Control and Common Safety Hazards](https://jmenvironmental.net/blog/demolition-dust-control/): Soon, the construction markets will undergo a massive change. This is all due to seven challenges outlined by the CMAA-Construction Management Association of America. Do you know what is at the top of these challenges? It is none other than aging infrastructures that are way beyond their lifetime.
- [How to Tell the Difference Between Cellulose and Asbestos Insulation?](https://jmenvironmental.net/blog/cellulose-and-asbestos-insulation-difference/): Millennial homeowners are often influenced by the new ongoing trends of DIY home renovations and upgrades on TikTok and Instagram. But before you start any type of renovation, it is very important to know what materials were used to build your home, particularly the ceiling. We want to emphasize the use of asbestos insulation and cellulose insulation in homes. Both these insulation types are often mistaken for each other, which can lead to serious health risks.
- [Toxic Black Mold: 4 Signs To Watch Out For](https://jmenvironmental.net/blog/early-sign-toxic-black-mold/): Mold is a common issue that many people tend to overlook, but the reality is, it can quickly turn into a nightmare if left unchecked. It's not uncommon to find mold in most US households. In fact, around 70% of households in the US have some form of mold lurking in various parts of the house.
- [How can you determine if a popcorn ceiling contains asbestos?](https://jmenvironmental.net/blog/popcorn-ceiling-asbestos-detection/): Popcorn ceilings were super trendy for more than thirty years—lots of houses built between 1950 and 1990 have them. People loved how easy it was to apply this textured spray and how it helped with fire safety and reducing noise.
- [Mold Remediation vs Mold Removal](https://jmenvironmental.net/blog/mold-removal-vs-remediation/): The words mold removal and mold remediation are often confused as the same thing. But they are completely different words with completely different meanings. When you have a mold problem, you might struggle to determine which solution would be the right choice.
- [How to Prevent Mold in Shower or Bathroom?](https://jmenvironmental.net/blog/remove-mold-from-bathroom-shower/): The bathroom is the only area in the house that is likely to stay wet 24/7 until you make an effort to keep it dry. It is known that moisture attracts mold and promotes mold growth. So, it is important to make sure that you keep your bathroom clean and dry so that there is no mold growth. If not, you will put your family at health risk with the development of mold in your bathroom.

## Pages
- [Blog](https://jmenvironmental.net/blog/): Blogs
- [Cookie Policy](https://jmenvironmental.net/cookie-policy/): This is the Cookie Policy for Leading Expert in Hazardous Materials Abatement and Demolition, accessible from https://jmenvironmental.net/
- [Privacy Policy](https://jmenvironmental.net/privacy-policy/): This privacy notice discloses the privacy practices for https://jmenvironmental.net/ This privacy notice applies solely to information collected by this website, except where stated otherwise. It will notify you of the following:
- [Mold Removal Vacaville](https://jmenvironmental.net/mold-removal-vacaville/): Mold growth in homes or commercial property can create an unhealthy and unsafe environment to live in. JM ENVIRONMENTAL, INC is a leader in effectively removing the mold from any property and restoring it for re-occupancy. We use all professional, latest tools and techniques to make sure mold removal in Vacaville is effective and doesn't cause the mold to re-occur in the future.
- [Asbestos Removal Vacaville](https://jmenvironmental.net/asbestos-removal-vacaville/): Asbestos-containing materials were used in buildings, homes, commercial buildings, and other building structures as a protection against fire and as an insulator before the 1970s. After it got banned in more than 50 countries, people have started to develop concerns over the hazardous effects of asbestos on their health. Asbestos minerals have been identified as a human carcinogen, meaning breathing in asbestos circulated materials in the air can lead to lung cancer and other severe respiratory diseases. To preserve the quality of air in homes or other buildings, it's essential you put your trust in professional asbestos removal Vacaville experts in order to safely and effectively remove this hazardous material.
- [Demolition Services Vacaville](https://jmenvironmental.net/demolition-services-vacaville/): All building structures typically have a lifespan of about 80-100 years. Once they reach the end of their service life, demolition is strictly required to prevent dangerous dwelling conditions. In other cases, a new construction project, aged structure, and structural damage can be the reason for the demolition of construction. We, at JM ENVIRONMENTAL, INC., are committed to providing professional and quality demolition services in Vacaville for the removal of all types of buildings and structure projects.
- [Demolition Services Sacramento](https://jmenvironmental.net/demolition-services-sacramento/): Sacramento's Premier Choice for Demolition Services
- [Mold Removal Stockton](https://jmenvironmental.net/mold-removal-stockton/): Stockton's Leading Mold Removal and Prevention Specialists
- [Asbestos Removal Stockton](https://jmenvironmental.net/asbestos-removal-stockton/): We Test, We Remove & We Ensure Total Safety From Asbestos
- [Asbestos Removal Sacramento](https://jmenvironmental.net/asbestos-removal-sacramento/): If you require professional services for asbestos removal in Sacramento, we can help. Asbestos removal contractors at JM Environmental can take care of all your needs.
- [Mold Removal Company Sacramento](https://jmenvironmental.net/mold-removal-sacramento/): Sacramento's No. 1 Mold Removal and Prevention Company
- [Demolition Services Stockton](https://jmenvironmental.net/demolition-services-stockton/): Experts in Residential, Commercial & Industrial Demolition in Stockton!
- [DEFINITIONS OF OUR INDUSTRY](https://jmenvironmental.net/definitions-of-our-industry/): DEFINITIONS OF OUR INDUSTRY FOR YOUR EDUCATION AND UNDERSTANDING Abatement: Process of controlling fiber release from ACMs including encapsulation, enclosure, controlled renovation procedures, removal, clean-up and disposal.
ACM: Asbestos-containing material
Aggressive Sampling: Air sampling either during or following the agitation of the air.
AHERA: Asbestos Hazard Emergency Response Act (40 CFR Part 763).
Airlock: A system for permitting ingress and egress with minimum air movement between a contaminated area and uncontaminated areas. Typically consists of two curtained or gasketed doorways separated by a distance of at least six feet such that one passes through one doorway into the airlock, allowing the doorway to close off the opening. This airlock must be maintained in uncontaminated condition at all times.
Ambient Air Quality: The quality of air (in terms of airborne fiber content) that is present in a given space.
Area Monitoring: Sampling of airborne asbestos fiber concentrations within the work area and outside the work area. Sampling shall represent airborne concentrations that may reach the breathing zone.
Asbestos Fibers: Refers to asbestos fibers having an aspect ratio of 3:1, and those fibers longer than
five (5) microns.
Asbestos Permissible Exposure Limit (PEL): A level of airborne fibers specified by OSHA as an occupational exposure standard for asbestos. This level represents the 8-hour time-weighted average of 0.1 fibers per cubic centimeter of air as measured by Phase Contrast Microscopy (PCM) analytical method.
Asbestos-Containing Material (ACM): Those manufactured products and construction materials including structural and mechanical building materials, as well as packings and gaskets that contain more than one percent (1.0%) asbestos by weight.
Asbestos: Asbestos includes asbestiform varieties of serpentinite (chrysotile), riebeckite (crocidolite), cummingtonite-gunerite (amosite), anthophyllite, tremolite, and actinolite. For the purposes of determining worker respiratory protection, both the asbestiform and non-asbestiform of the above minerals, and any chemically treated or altered materials shall be considered as asbestos.
Authorized Visitor: Designated employees or consultants for the Owner and representatives of any federal, state or local regulatory or other agency having jurisdiction over the project.
Baseline: Refers to the background levels of asbestos monitored before abatement.
Breathing Zone: A hemisphere forward of the shoulders and head with a radius of approximately six to nine inches.
Breach: A rift or gap in the critical or secondary barriers that allow egress of air from the containment to outside, or vice versa.
Bridging Encapsulant: An encapsulant that forms a discrete layer on the surface of an in-situ asbestos
matrix.
Cal-OSHA: State of California, Occupational Safety & Health Administration.
Chain-of-Custody: A legal concept involving documentation of the physical possession of a sample(s) from the moment it is collected, transported, analyzed, and ultimately stored in an archive.
Change Rooms: Refers to the two chambers in the decontamination area used to change into and out of protective clothing.
Certified Industrial Hygienist (CIH): A person certified by the American Board of Industrial Hygiene.
Clean Room: An uncontaminated area or room that is part of the worker decontamination enclosure system, with provisions for storage of workers' street clothes and protective equipment.
Clearance Level: Clearance level for samples analyzed by PCM will be less than 0.01 fibers per cubic centimeter of air and for TEM will be less than 70 structures per square millimeter (<70 s/mm2). Samples may be collected by aggressive or non-aggressive sampling methods and the minimum air volume shall be 1,200 liters.
Competent Person: One who is capable of identifying existing and predictable hazards and who has the authority to take prompt corrective measures to eliminate them.
Critical Barrier: A unit of temporary construction that provides the only separation between asbestos work area and an adjacent potential occupied space. This includes the decontamination unit, perimeter walls, ceilings, penetrations and any temporary critical barriers between the work area and the uncontaminated environment.
CSLB: Contractors State Licensing Board
Decontamination Area: Area which is constructed to provide the means for workers to store clothing, equipment and other articles, and to properly remove contamination upon concluding work activities that result in exposure to these hazardous materials.
DOP: Dioctylphthalate, the challenge aerosol used to perform on-site leak testing of HEPA filtration equipment.
DOT: Federal Department of Transportation.
DOSH: Division of Occupational Safety & Health (see also Cal-OSHA)
Decontamination Unit: Refers to system of airlocks used to decontaminate personnel, waste bags, equipment, etc. when exiting the work area. A decontamination unit shall be set up for each containment area.
Demolition: The wrecking or taking out of any load-supporting structural member of a facility together with any related handling operations or the intentional burning of any facility.
Disposal Bag: Minimum six (6) mil thick leak-tight plastic bags used for transporting asbestos waste from a work area to disposal or shipping container. Each disposal bag must have required labels according to Title 8 CCR 1529 (Cal-OSHA asbestos rule), 5194 (HAZCOM). RACM waste must be additionally labeled according to 49 CFR 171-179 (USDOT), and 40 CFR 61 Subpart M (NESHAP). Hazardous waste disposal bags must be labeled with generator's name, address, site location, generator number, and the following information: CONTAINS ASBESTOS FIBERS
AVOID CREATING DUST
MAY CAUSE CANCER
CAUSES DAMAGE TO LUNGS
DO NOT BREATHE DUST
AVOID CREATING DUST
RQ WASTE ASBESTOS, 9 NA 2212 PG III (Class 9 placard)
HAZARDOUS WASTE
STATE AND FEDERAL LAW
PROHIBITS IMPROPER DISPOSAL
IF FOUND, CONTACT THE NEAREST
POLICE OR PUBLIC SAFETY
AUTHORITY OR THE CALIFORNIA
DEPARTMENT OF TOXIC SUBSTANCES CONTROL Encapsulant: A liquid material that can be applied to ACMs that controls the possible release of asbestos fibers from the material either by creating a membrane over the surface (bridging) or by penetrating the material and binding its components together (penetrating encapsulant).
Encapsulation: A specified procedure necessary to coat ACMs or asbestos contaminated surfaces with an encapsulant to control the possible release of asbestos fibers into the ambient air.
Enclosure: The construction of an airtight, impermeable, permanent barrier surrounding the ACM to prevent the release of asbestos fibers into the air.
Environmental Consultant: CIH, Certified Asbestos Consultant (CAC), and/or Certified Site Surveillance Technician (CSST) retained by the Owner or Contractor.
Equipment Decontamination Enclosure System: A decontamination enclosure system for materials and equipment, typically in a designated area of the work area, and including a washroom, a holding area, and an uncontaminated area.
Equipment Room: A contaminated area or room that is part of the worker decontamination enclosure system, with provisions for storage of contaminated clothing and equipment. The equipment room shall be kept clean from asbestos-containing debris at all times.
Excursion Limit: A California Code of Regulations (Title 8 CCR 1529) requirement that ensures no employee exposed to airborne concentrations of asbestos in excess of 1.0 fibers per cubic centimeter of air as averaged over a sampling period of thirty (30) minutes.
Filter: A media component used in respirators to remove solid or liquid particles from the inspired air.
Fixed Object: A unit of equipment or furniture in the work area that cannot be removed from the work
area.
Friable Asbestos-Containing Material: Material that contains more than 1.0% asbestos by weight, and
that can be crumbled, pulverized or reduced to powder by hand pressure when dry.
Foreman: An individual who typically fulfills the duties of "competent person" as defined by Title 8 CCR 1529. This individual must supply documentation of a passing grade in a Cal-OSHA accredited course in Asbestos Contractor/Supervisor training. The foreman must be on-site during all abatement work.
Glove Bag: A polyethylene bag with two inward projecting long sleeve gloves, designed to enclose an object from which an ACM is to be removed. Bags shall be seamless at the bottom, have a minimum thickness of 6 mils, and shall be labeled appropriately.
Glove Bag Technique: A method for removing ACM from heating, ventilation and air conditioning (HVAC) ducts, piping runs, valves, joints, elbows, and other non-planar surfaces. The glove bag is constructed and installed in such a manner that it surrounds the object or material to be removed and contains all asbestos fibers released during the process. Secondary containment shall be provided for all glove bag work unless otherwise noted.
Gross or Full Abatement: Designated rooms, spaces, or areas of the project that have been totally sealed, contained in polyethylene, equipped with decontamination enclosure systems, and placed under negative pressure.
HEPA: High Efficiency Particulate Air filter capable of filtering out airborne particulate 0.3 microns or
greater in diameter at 99.97 percent efficiency.
Manifest: The document authorized by both Federal and State authorities for tracking the movement of ACMs.
Movable Object: A unit of equipment or furniture in the work area that can be removed from the work
area.
Negative Pressure Respirator: A respirator in which the air pressure inside the respiratory inlet covering is positive during exhalation in relation to the air pressure of the outside atmosphere, and negative during inhalation in relation to the air pressure of the outside atmosphere.
Negative Pressure: Air pressure lower than surrounding areas, generally caused by exhausting air from a sealed space (work area).
NESHAP: National Emission Standard for Hazardous Air Pollutants - EPA Regulation 40 CFR Subpart M, Part 61.
NIOSH: National Institute for Occupational Safety and Health: Sets test standards, analytical methods, and certifies performance of various respirator designs (research institute within Federal OSHA).
NIST: National Institute of Standards and Technology: Administers the NVLAP Program.
NOA: Naturally Occurring Asbestos. Found in soil, fill and concrete.
NVLAP: National Voluntary Laboratory Accreditation Program - evaluates and certifies laboratories doing PLM and TEM analyses.
Owner: Capital Towers Apartments, LLC
Passive Sampling: Refers to air sampling with no air agitation.
Permissible Exposure Limits (PEL): A level of airborne fibers specified by OSHA as an occupational exposure standard for asbestos. This level represents the 8-hour time-weighted average of 0.1 fibers per cubic centimeter of air and 30-minute excursion limit of 1.0 fibers per cubic centimeter of air as measured by Phase Contrast Microscopy (PCM) analytical method.
Phase Contrast Microscopy (PCM): Technique using a light microscope equipped to provide enhanced contrast between the fibers and the background. Filters are cleared with a chemical solution and viewed through the microscope at a magnification of approximately 400X. This method does not distinguish between fiber types and only counts those fibers longer than 5 microns and wider than approximately 0.25 microns. Because of these limitations, fiber counts by PCM typically provide only an index of the total concentration of airborne asbestos in the environment monitored.
Polarized Light Microscopy (PLM): An optical microscope technique used to identify asbestos content and distinguish between different types of asbestos fibers by their shape and unique optical properties.
Powered Air Purifying Respirator (PAPR): A full facepiece respirator that has the breathing air powered to the wearer after it has been purified through a filter.
Protection Factor: The ratio of the ambient concentration of an airborne substance to the concentration of the substance inside the respirator at the breathing zone of the wearer. The protection factor is a measure of the degree of protection provided by a respirator to the wearer.
Remodel: Replacement or improvement of an existing building or potion thereof where exposure to airborne asbestos may result. Remodel includes, but is not limited to, installation of materials, demolition, cutting, patching, and removal of building materials.
Respirator: A device designed to protect the wearer from the inhalation of harmful atmospheres.
Shower Room: A room between the clean room and the equipment room in the work decontamination enclosure system. This room contains hot and cold or warm running water and soap suitably arranged for complete showering during decontamination. The shower room comprises an airlock between contaminated and clean areas.
Surfactant: A chemical wetting agent added to water to improve penetration, this reducing the quantity of water required for a given operation or area.
Transmission Electron Microscopy (TEM): Asbestos structure analysis for a specified volume of air. TEM is a technique that focuses an electron beam onto a thin sample. As the beams transmits through certain areas of the sample, an image resulting from varying densities of the sample is projected onto a fluorescent screen. TEM is the state-of-the-art analytical method for identifying asbestos fibers collected in air samples in non-industrial settings. TEM microscopes equipped with selected area electron diffraction (SAED) capabilities also can provide information on the crystal structure of an individual particle.
TSI: Thermal Systems Insulation
Visible Emissions: Any emission containing particulate material that is visually detectable without the aid of instruments. This does not include condensed uncombined water vapor.
Visual Inspection: A visual inspection by Environmental Consultant, of the work area under adequate lighting to ensure that the work area is free of visible PCB material, debris, and dust.
Washroom: A room between the work area and the holding area in the equipment decontamination enclosure system equipped with water for decontamination of equipment and sealed waste containers. The washroom or shower room comprises one airlock.
Water Filtration: Refers to water filtration to as small a particulate size as technically feasible, but not more than 5 microns.
Wet Cleaning: The process of eliminating asbestos contamination from building surfaces and objects by using cloths, mops, HEPA vacuuming, or other cleaning utensils dampened with amended water and afterward thoroughly decontaminated or disposed of as asbestos contaminated waste.
Work Area: The area where asbestos removal is performed and that is defined or isolated to prevent the spread of asbestos fibers, dust or debris, and entry by unauthorized personnel. Work area is a regulated area as defined by Title 8 CCR 1529.
- [Bio Hazard Remediation](https://jmenvironmental.net/bio-hazard-remediation-services/): We understand the sensitive nature and sense of urgency for Bio Hazard Remediation and Trauma Scene Clean Up projects. We specialize in cleaning up Bio Hazard contaminated properties. All Bio Hazard Contaminated Building Materials and Waste is packaged in 6-mil poly bags prior to leaving the isolated work areas.
- [Mold Remediation & Mold Abatement](https://jmenvironmental.net/mold-remediation-mold-abatement/): Construction Defects, Construction Failures, and Water Intrusion are the most common causes that lead to Mold Growth. Poor engineering, poor installation, extreme weather or old age, can cause the building components to fail. JM ENVIRONMENTAL, INC., is an expert at Mold Remediation and Mold Abatement. We follow the strictest industry protocol to remove Mold Contaminated Building components and contents, then we clean, and decontaminate the remaining building components to ensure microbial growth does not re-occur post structure stabilization and repair. We also coordinate testing by a third party hygienist before we leave your job site, to confirm the building is safe for re-occupancy.
- [Lead Removal](https://jmenvironmental.net/lead-removal-services/): JM ENVIRONMENTAL, INC., removing asbestos infused lead paint using a media blaster at a Public Entity Utility site. The Asbestos Infused Lead Paint was originally used to strengthen the structure.
- [Fire Debris Removal & Fire Debris Cleanup](https://jmenvironmental.net/fire-debris-removal-fire-debris-cleanup/): JM ENVIRONMENTAL, INC., offers a disciplined approach to Fire Debris Removal & Fire Debris Clean Up to minimize the collateral damage during the demolition process therefore reducing the build back costs. For example, we only remove as much soil as necessary to achieve a clean soil test and avoid the unnecessary cost of importing clean fill dirt for a new foundation. We also try to save flat work, foundations, landscaping, swimming pools, utilities, and other items relative to the function of the property.
- [Demolition](https://jmenvironmental.net/demolition-services/): JM ENVIRONMENTAL, INC., demolishing half of the Student Union Building at California State University Sacramento. Three excavators were used concurrently during the demolition. Excavator # 1 has a grappling thumb with a camera attached. The camera screen inside the cage enables the operator to view close up exactly what he is removing from the structure. Excavator # 2 has a hammer to demolish the concrete foundation. Excavator # 3 has a pincher claw to move and sort the steel rebar and concrete debris.
- [Coronavirus & Covid-19 Decontamination](https://jmenvironmental.net/coronavirus-covid-19-decontamination/): Cleaning and Disinfection is a best practice measure for the prevention of Coronavirus.
- [Asbestos Abatement](https://jmenvironmental.net/asbestos-abatement/): JM Environmental Inc. used three ride on floor scrapers to remove 35,000 square feet of flooring for a retail tenant improvement project.
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## Testimonials
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