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MAC 1
| Question | Answer |
|---|---|
| MRC notify state how many days after | 10 days after final clearance |
| MRC notify state how many days prior | 5 days prior to start date |
| allergenic species | cladosporium, aspergillus, peni, alternaria |
| infectious species | histoplasma |
| toxic species | fusarium, stachybotrys, chateiums |
| spores settle, absorb water, and form | thread-like hyphae |
| hyphae grow and interweave to form a | tangled mycelium |
| mycelium grows in what direction | all directions across surface |
| aerial grow | above and below surface |
| the required water activity level of aternaria | 0.85-0.89 and humidity 85-89% |
| Stachybotrys Chartarum Growth Range | 7-40 C - optimal 23 C |
| Sta-Char commonly found on | cellulose baed materials - ceiling tiles ex |
| Stachy-Char Water acivity | 0.91-0.98 |
| flow rate culture plate | 28.3 lpm |
| What is not consdered mold remediation | preparation work |
| what is considered the stop-date | the date following the day on which final clearance for a mold remediation project is achieved |
| work analysis is | mold remediation protocol |
| Licensee shall provide the CMIS on the earlier of | the first contact with the client |
| new start date notify | at leat 5 calendar days before start date |
| notify schedule changes and work hour changes | no less than one cal day before the most recent start date or new stop date |
| what is required for any stop dates that change by more than one workday | amendemt |
| According to the TDLR, when is the stop date for a mold remediation project? | The date following the date on which final clearance is achieved |
| According to the TDLR, when should notification for a mold remediation project be received by TDLR | 5 calendar days |
| according to the TDLR, what is the role of licensed mold assessment consultant during a mold remediation project? | prepare a mold remediation protocol |
| According to the TDLR, what is a responsibility of a licensed MAC during a mold remediation project? | sign and date each mold remediation protocol, assessment report, and management plan that they prepare |
| According to the TDLR, what role does a licensed remediation contractor play in a mold remediation project? | Provide to each client a mold remediation work plan at least one calendar day before the mold remediation preparation work begins |
| Photographs & CMDR be submitted by | 10 calendar days after |
| According to the TDLR, where must a licensed person or company maintain an office? | in Texas |
| According to the TDLR, what is the document, prepared by the TDLR, that describes the persons who are required to be licensed and how to file a complaint called? | Consumer Mold Information Sheet |
| According to the TDLR, when shall a licensee provide the Consumer Mold Information Sheet to the client and the property owner, or owner's designee? | the earlier of first contact with the client, potential client, or property owner or 1 cal day before the initiation of any mold related activity |
| Admin (responsible person, added or deleted) notify by | 30 calendar days |
| What colors used on the sign for be displayed | Black letters on yellow background |
| what % of moisture content is the probe on a moisture meter limited to detecting? | 17% |
| what is an example of the living or bio enviro within indoor eco | Fungi |
| What are the three types of containment | Local or mini, source, and full-scale |
| What is source containment? | bagging/containing actual sources for example bagging affected drywall |
| what is local or mini containtment | when the containment is moderate & isolated to one area of a room |
| What type of containment when the containment is moderate & isolated to one area of a room | local or mini |
| what is the protection factor of an N-95 respirator? | 5-10 or minimum protection |
| DP within 1°F of ambient → | ~95–100% RH |
| DP within 2–3°F → | ~85–95% RH |
| DP 10°F lower → | ~50–60% RH |
| if ambient temp is 78 F and the dew point is 77 F what is the RH | 90% |
| what device connect to HVAC system and adjusted to react to humidity level | Humidistat |
| what rating should HVAC filters have to catch mold sporeS? | Merv-8 |
| What size should posted project signs be? | 8x10 |
| What is work analysis | Mold Remediation protocol |
| an owner or his employees are not required to be licensed to perform mold remediation on a residential property, which he owns, that has fewer than how many dwelling units? | 10 |
| what to do to issue a 21 day temp reg to a mold remediation worker | submit an online application for registration to TDLR and pay the registration fee |
| temp needed for mold growth | 35-104 F |
| TMARR | Texas Mold Assessment & Remeidation Rules |
| protocol contains | 1. Rooms/Areas 2. Quantities of materials to be removed/cleaned 3. Remediation methods 4. Clearance criteria |
| who provides notification to state | MRC |
| what is the start date? | the date on which a mold remediation begins, not including prep work |
| when should an MRC or company provide a CMDR to the property owner on a form adopted by the Texas Commissioner of Insurance? | No later than 10 calendar days after project stop date |
| when should an MRC or company provide a CMDR to the property owner on a form adopted by who? | Texas Commissioner of Insurance |
| according to TDLR, who can teach the remediation worker training course? | A licensed MRC and a TDLR training provider |
| what course can a MRC teach? | remediation worker training course |
| not later tha nhow many cal days shall a MRC or company notify TDLR of the withdrawal from association with a mold remediation project? | 5 |
| a violation can carry a fine up to how much per day for each violation? | $5,000 |
| remediation worker training shall consist of at least how many hours? | 4 hours |
| floor or chemical contamination is considered what category of water | 3 |
| clean water is considered what category if water? | 1 |
| OSHA stands for | occupational safety & health administration |
| what does ASHRAE stand for? | American society of heating, refrigerating & air-conditioning engineers |
| how should remediators remove drywall to avoid generating dust | cut with razor or utility knives |
| MEA | Malt Extract Agar |
| Type of agar depends on your target bioaerosol. For mold its | MEA |
| Type of agar depends on your target bioaerosol. For bacteria its | TSA for bacteria |
| culture medium does what that air o cell can't | species, other can only do genus |
| what sampling medium for the agar plate/viable | anderson single stage impactor plate |
| how long does the impactor take | about a week |
| mycotoxins cause | organ damage, liver damage inflammation ex |
| check out IOM 2004 damp indoor spaces and health report | |
| what do the type of health effects depend on | mold prescence, type of mold, duration, time, exposure, sensitivities |
| example of mold reactions | allergies, skin irritation, infection, organ damage, asthma, hypersensitivty immunotis, opportunistic infections |
| hypersensitivity pneumonitis | an immune-mediated lung disease caused by an overreaction of the immune system to breathing in mold particles, spores, or fragments, typically in damp or water-damaged environments |
| what is non viable | mold spores that are dead, dormant, unable to grow |
| commonly experienced health effects | allergic reactions, symptoms sneezing wheezing |
| what does type and amount of a toxin the fungus produces depend on | species, what it's digesting, amount of water |
| how much is renewal fee is you're late by 90 days or less | 1 & 1/2 times the renewal fee |
| renewal fee if more than 90 days but less than 18 months | two times renewal fee |
| how to renew between 18 months to 3 years | request executive director approve license & pay 2x |
| CMDR adopted by who | Texas Department of Insurance |
| types of containment | walking containment surface containment sheathing |
| what is Styrine and Alkine and fermaldihide | |
| shower pan test | |
| ozone is a ______ irritant | pulminary |
| mold remediation includes applying biocides or | anti-microbial compounds |
| mold remediation work plan prepared by who | MRC |
| mold remediation pkan is | provides specific intructions and procedues for how a mold project will be perfomed |
| Viable spores are living mold spores capable of growing and | germinating into new colonies |
| residential properties do not include | lodgings, hotels and motels institutional facilities that provide care or oversight for residents hospitals, jails houses turned into businesses |
| the owner/employee does need to hire if more than how many units | 9, 10 or more needs to be licensed/hiredd |
| start date is when the mold remediation begins, what is not considred mold remediation | prep work |
| stop date is the | day following the day on which final clearance for a mold reemdiation is achieved |
| what insurance is required | 1 million general liability |
| MRC how many hours CE | 8 |
| MRC how many initial hours | 40 |
| if the HVAC is over design, how does it run? | short cycling, short life span, |
| if the HVAC is under design, how does it run? | constant running |
| for pest control stuff, what board | Texas Structural Pest Control Board |
| what % of moisture content is the probe on a Moisture SENSOR limited to detecting? | 17% |
| what are the 3 different types of containment | Local or mini, source, full-scale |
| what type of containment when contamination is moderate and isolated to one area of the room | local or mini |
| protection factor of N-95? | 5-10 or minimum protection |
| whats RH if temp is 78 and dew point is 77 | 90% |
| HVAC has a thing where if the humidity is above a set point, it cuts on, what is it called | Humidstat |
| air filtration devides should run | continuously throughout the project |
| organic acids have what in it | carbon it it |
| four things that define an CIH | - Anticipation - Recognition - Evaluation - Control |
| What are the three types of hazards? | - Chemical - Physical - Biological |
| what are some examples of a chemical hazard | Chlorine, NH3, CHy, Organic Solvents, Acids, Particulates, Gasses/Vapors, Liquids |
| What are some physical hazards? | Noise, radiation, thermal |
| What are some biological hazard?? | mold, bacteria, virus, animals/insects |
| training provider, when applying who's info do they need | each person that has an ownership interest of 10% or more |
| 2 basic forms of radiation | ionizing (xray, gamma rays, isotopes_ non-ionizing (microwaves, etc) |
| how long should a remediation company & MRC maintain recaords following when | 3 years following the stop date of each project |
| what does the MRC or company have to keep of records of | work plan, photo, contract btween client or contractors, invoices, copies of CERT/CMDR |
| Hierarchy of controls | Upside down triangle, order from most effective to least: Elimination, Substitution, Engineering Controls, Administrative Controls, PPE |
| Describe the Hierarchy of controls: Elimination | Physically remove the hazard |
| Describe the Hierarchy of controls: Substitution | Replace the hazard |
| Describe the Hierarchy of controls: Engineering Controls | Isolate people from the hazard |
| Describe the Hierarchy of controls: Administrative Controls | Change the way people work |
| Describe the Hierarchy of controls: PPE | Protect the worker with PPE |
| Fees for credentials: MAT license Renewal | $150 |
| Fees for credentials: MAC license or renewal | $500 |
| Fees for credentials: Assessment Company license or renewal | $850 |
| Fees for credentials: Mold remediation worker registration or renewal | $850 |
| Fees for credentials: MRC license or renewal | $450 |
| Fees for credentials: Mold Remediation Company license or renewal | $850 |
| Fees for credentials: Mold Analysis Lab license or renewal | $750 |
| Fees for credentials: Mold Training Provider accreditation or renewal | $750 |
| when should MAC provide the protocol and to who | Client one calendar day before the remediation activities begin |
| what must a protocol specify | rooms/area # material/quant to. remove/clean methods PPE Containment type clearance procedures & criteria |
| What is the minimum PPE | N-95 |
| when is containment not required | if only the licensed people will occupy the building during remediation between start & stop |
| when is it prohibited to recriculate air inside containment without maintaining neg pressure | during periods of active mold remediation activity |
| start date changed to an earlier date must notify by how many days | 5 Cal Days in advance before start-date unless exemptions |
| MSHA is | 30CFR |
| OSHA is | 29CFR1910, 29CFR1926 |
| what does MSHA stand for | Mine Safety & Health Administration |
| EPA standards number | 40CFR, 49CFR - DOT |
| when should the MRC provide the work plan to the client | one calendar say before remediation PREP work |
| what does a reme. company or MRC need to keep on-site (records) | current copy of the mold remediation work plan & protocols - names & licenses/reg. or all ppl working |
| 3 things needed for respirator protection | - Written program - Program Administrator - Proper Selection - Medical Evaluation |
| what does p100 or 100 mean | 99.97% efficient at filtering partciles 0.3 microns |
| how often do you fit test | annually |
| half mask | 10 |
| neg pressure resp | without air blowing |
| full face PAPR is | positive pressure |
| quantitative fit test required for | full face neg pressure (50) |
| OV - | organic vapor needed for banana oil |
| two types of fit testing | quan. & qual. |
| fit tester duties | maintenance, training, record keeping |
| what is qualitative fit testing | smell test not the most professional |
| loose fitting hood | 25 |
| full face PAPR | 1000 |
| full face neg pressure | 50 |
| MRC needs to give the protocol to the property owner on a form adopted by who | Texas Commissioner of Insurance |
| if a property owner sells the property, they should give the buyer a copy of the CMDR during the ___ years preceding the date of the property owner sells the property | 5 |
| conflict of interest does not apply to who | a license holder employed by a school district working on a project for that school district |
| Test question: what is the PRIMARY purpose of remediation | provide for the safety and health of the workers & occupants |
| spores that disperse from condition 3 areas and settle on surfaces in other areas may create contaminated conditions. What are these areas called? | Condition 2 |
| Test question: Mold contamination should be controlled where? | as close to its source as possible |
| what attempts are not adequate to solve the problem? | attempts to kill or encapsulate mold |
| how to return mold contamination to condition 1 | physically removed form the structure & contents |
| There are approximately __________described species of fungi including mold etc | 70,000 to 100,000 |
| when spores settle on a surface with appropriate conditions, they absorb water and swell ___ times their size and form ___-like structures known as hyphae | 2-3 thread hyphae |
| What is the primary purpose of mold remediation? | Provide for the safety and health of workers & occupants |
| what condition can be located using sensory investigative techniques without using intrusive or destructive techniques | Condition 3 |
| what attempt is not adequate to solve the problem | attempts to kill or encapsulate mold |
| as the hyphae grow, they interweave to form a tangled mass known as | mycelium |
| with continued growth, a ____, unlike a spore, becomes visible to the naked eye | mycelium |
| are proteins, enzymes, glucans part of the living environment? | yes |
| what are glucans | polysaccharides (complex carbohydrates) composed of glucose monomers linked together, found in the CELL WALL of plants, fungi, bacteria, and algae |
| what are some water tolerant species | Stachy, Acremonium, Ulocladium, and Chaetomium |
| what is water activity | the amount of free water available to microorganisms for growth on a substrate or microenvironment |
| many fungi have a minimum requirement of | 0.99 aw or 88% ERH |
| what does ERH stand for | equilibrium relative humidity |
| low-water-activity or ____ fungi are often primary colonizers | xerophilic |
| what are some xeropholic species | Penicilium & Aspergillium, & Aspergillus Versicolor, Eurotium, and Wallemia |
| second colonizers typically have a aw or ERH of what | 0.80-0.90 aw or 80%-90% |
| what are some second colonizers species | Cladosporium, Paecilomyces, Scopulariopsis, and a variety of Aspergillus & Penicillium |
| A genus is a ______, while a species is the _____ | taxonomic rank grouping closely related species basic, specific unit of classification, representing organisms that can interbreed |
| what are some cellulose-based materials | wallpaper, gypsum board, books |
| extremely wet environments, particularly cellulose based materials favor the growth of what? | tertiary colonizer |
| what is the aw of tertiary colonizers | >90 aw |
| what are some tertiary colonizers? | Stachybotrys, Acremonium, Ulocladium, Fusarium, Trichoderma, Chaetomium |
| there is an increased potential for mold growth and amplification as RH increased, especially above __% | 70% |
| what does ODTS stand for | Organic dust toxic syndrome |
| certain molds that naturally from soil and plants are associated with development of | Allergenic Rhinitis & Allergic Conjunctivitis |
| what does AR stand for | allergenic rhinitis |
| what are some symptoms of allergic conjunctivits? | watery, red, itchy eyes |
| what illness does not cause runny nose, watery eyes, headaches, or neurocognitive symptoms | HP |
| what species are capable of producing mycotoxins | stachy, aspergillus, penicillium, chaetomium, trichoderma, phoma, and fusarium |
| what is a more appropriate term for toxic mold | toxigenic mold |
| stachy, aspergillus, penicillium, chaetomium, trichoderma, phoma, and fusarium are commonly observed colonizing water damaged, ____-containing building materials | carbon |
| occupational, highly infectious and potentially fatal disease is | histoplasmosis |
| what causes histoplasmosis | bird and bat droppings |
| what does thermodynamic state | hot moves toward cold, wet moves toward dry, high pressure moves toward low pressure, more movers toward less, and everything in nature seeks equilibirium |
| what law says that everything in nature seeks equilibrium | thermodynamic |
| what are some forces that can affect indoor env | wind, heat, stack pressure, fans |
| moisture moves in four ways | liquid flow, air transport, vapor diffusion, capillary action |
| capillary action | porous materials are capable of absorbing water through capillary action |
| Buildings lose or gain heat in three ways | Conduction, Convection, and Radiation Heat Transfer |
| what is convection | movement of heated gases or liquids |
| radiation heat transfer | invisible electromagnetic waves pass from one object to another |
| moisture meters have a scale for wood measure between | 6%-40% MC |
| moisture meters have a scale for gypsum measure between | 0.2%-50% |
| three types of microbrial agents | water based, dry formulations, gas/vapor phase |
| common types of exposure | inhaltion, injection, skin contacts |
| what chart or calculater can be used to find RH | Psychometric chart or calculator |
| IR can go how far | 50 ft |
| what size opening is usually required to be able to use a borescope | 3/8" to 1" |
| lower ph the ____ the acid | stronger |
| high ph is ____ | corrosive also |
| PH scale | 1-14 |
| flame spread rating for fire retardant poly | 25 |
| what filters do AFDs usually have | pre-filter, secondary filter, and HEPA filter |
| AFD in a contaminated area should be ____ before shut off to prevent release of collected contamination | sealed |
| what does SCDS stand for | Structural cavity drying systems |
| what can SCDS do | channel airflow into or out of walls, ceilings, and other inaccessible areas where moisture can be trapped |
| what are the 2 most common acids for antomicrobial | formaldehyde and glutaraldehyde |
| what does gpp stand for | grains per pounds |
| refrigerant dehumidifiers work most efficiently above their lowest miosture level achieved for an air stream is a dew point of | 70 F or 40% RH 46 F or specific humidity of 45 grands per pound |
| types of blast tools | sand blasting, sponge blasting, soda blasting, & dry ice blasting |
| what is the primary means of remediation | physically removing |
| Two OSHA CFR parts | 29CFR1910 - General Industry Standards 28CFR1926 - Construction Industry Standards |
| what does sensitization mean | become sensitized to something |
| who is required to be registered to perform mold remediation while being supervised by a license holdeR? | Mold remediation worker |
| average ERMi value was | 4.55 |
| ERMI scale | -10 to +20 |
| what is -10 on the ERMI scale | lowest mold burden |
| what is 20 on the ERMI scale | highest mold burden |
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