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161 Cards in this Set
- Front
- Back
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Responders use detection and monitoring devices to detect, identify, and ____ hazardous materials. |
Measure P457 |
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Two terms of measurement commonly quantify the concentration of a substance in the atmosphere, or in a solution. They are parts per ___ (ppm) and percent by (%) ____. |
Parts per million Percent by volume P458 |
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The term parts per billion (ppb) is usually used to express extremely ____ concentrations. |
Low P458 |
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Atmospheric hazards generally fall into one of the following categories: -Oxygen enrichment or deficiency -flammability -______ |
Toxicity P459 |
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Oxygen enrichment or deficiency- an oxygen detector measures a ____ of oxygen in the air. |
Percentage P459 |
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Flammability- measured as a percentage of flammable gas in the air based upon that gases ___ explosive limit (LEL) using a lower explosive unit device. |
Lower explosive unit P459 |
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Toxicity- measured in parts per ___ of a toxic gas in the air using a single gas or multi gas detectors. |
Million P459 |
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Oxygen sensors, detect the ___ of oxygen in the air. Normal air is composed of approximately: 20.9% (209,000 ppm) oxygen 78.1% (781,000) nitrogen. 1% (10,000) other miscellaneous gases |
Percentage P459 |
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An oxygen-deficient atmospheres as an atmosphere containing less than ___% (195,000) oxygen. |
19.5% P459 |
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An oxygen ____ atmosphere contains greater than 23.5% (235,000ppm) oxygen. |
Enriched P459 |
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If the atmosphere proves to be oxygen-deficient, entrants must wear supplied air respiratory protection, such as respiratory protection, such as ___, to safely enter the space. |
SCBA P459 |
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___.5% + increased fire risk |
23.5% P459 |
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__.5% -23.5% “normal oxygen zone” |
19.5% Normal oxygen zone P459 |
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__.9% oxygen and below requires an SCBA. |
20.9% P459 |
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Air maybe breathable without S CBA, when oxygen readings are between 20.9% and 19.5%, but any lower than normal oxygen percentage (__.9%) indicates displacement of oxygen in the atmosphere. |
20.9% P459 |
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If the percentage of oxygen is below ___.9%, notify the incident commander or incident, safety officer. |
20.9% P459 |
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Oxygen reading below __.9% indicate oxygen deficient atmospheres, containing a containment in require SCBA. |
20.9% P260 |
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And oxygen enriched atmosphere greatly increases the flammability or explosive potential of any fuel within the space. Therefore, responders must not enter until ventilation decreases the oxygen level within the space below __.5%. |
23.5% P460 |
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When any contaminate is present in the air, it displaces ____. As the contaminant level increases the oxygen level ___. |
Oxygen Decreases P360 |
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For combustion to occur after a fuel converts into a gaseous state, the fuel must mix with air (an oxidizer) in the proper ratio. This range of concentrations of fuel vapor and air is called the _____ (explosive) range. |
Flammable P460 |
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A fuel flammable range uses ___ by volume of gas or vapor in the air for the lower flammable limit (LFL) and for the upper flammable limit (UFL). |
Percent P460 |
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The ___ is the minimum concentration of fuel vapor and air that supports combustion. Concentrations below the LFL are said to be too ____ to burn. |
LFL Lean P460 |
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The ___ is the concentration above which combustion cannot take place. Concentrations above the UFL are said to be too ___ to burn. |
UFL Rich P460 |
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According to WISER, methanes flammable range is approximately 5% to __% in air. |
14% P460 |
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Most portable gas detectors will alarm at ___% of the LEL. |
10% P461 |
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100% LEL= 5% methane = 50,000 ppm methane 10% LEL= 0.5% methane = 5000 ppm methane (alarm) 1% LEL= 0.05% methane = 500 ppm methane |
P461 |
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The ___ of a substance is the potential of that substance to cause harm, and is only one factor in determining whether a hazard exists. The ____ of the chemical is the practical likelihood the chemical will cause harm. |
Toxicity Hazard P461 |
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___ is a measure of the concentration (volume and strength of the product) and time of exposure. |
Toxicity P461 |
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Responders frequently used devices that can buy an individual sensors with a LEL sensor, and an oxygen sensor to form a _____ gas detector. |
Multigas P462 |
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A typical for gas detector detects LEL, oxygen, Carbon monoxide, and _____ sulfide. The 02 sensor ensures the LEL sensor can function in that environment. If the oxygen is too low, the LEL sensor will not work properly. |
Hydrogen sulfide P462 |
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Responders frequently use multi gas detectors that combine a lower explosive limit (LEL) sensor, and an ______ sensor. |
Oxygen P462 |
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Respond as frequently use multi gas detectors that combine a lower explosive limit (LEL) sensor, and an ______ sensor. |
Oxygen P462 |
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Toxic compounds primarily work as a function of the dose (amount of a substance ingested, absorbed through the skin, contact or injected) and the concentration (in this context, the amount of the substance inhaled) a compound. This principle termed the ____-response relationship, is a key concept in toxicology. |
Dose response relationship P462 |
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Responders frequently use multi gas detectors that combine a lower explosive limit (LEL) sensor, and an ______ sensor. |
Oxygen P462 |
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Toxic compounds primarily work as a function of the dose (amount of a substance ingested, absorbed through the skin, contact or injected) and the concentration (in this context, the amount of the substance inhaled) a compound. This principle termed the ____-response relationship, is a key concept in toxicology. |
Dose response relationship P462 |
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Poisonous in the measurements of toxicity are often expressed on safety data sheets in terms of ___ dose (LD) for amounts ingested or absorbed and ____ concentration(LC) for amounts inhaled. |
Lethal dose - (ingested) Lethal concentration (inhaled) P464 |
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Respond as frequently use multi gas detectors that combine a lower explosive limit (LEL) sensor, and an ______ sensor. |
Oxygen P462 |
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Toxic compounds primarily work as a function of the dose (amount of a substance ingested, absorbed through the skin, contact or injected) and the concentration (in this context, the amount of the substance inhaled) a compound. This principle termed the ____-response relationship, is a key concept in toxicology. |
Dose response relationship P462 |
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Poisonous in the measurements of toxicity are often expressed on safety, data sheets in terms of ___ dose (LD) for amounts ingested or absorbed and ____ concentration(LC) for amounts inhaled. |
Lethal dose - (ingested) Lethal concentration (inhaled) P464 |
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As a general rule, the ___ the value (presented as the LD or LC), the more toxic substance is. |
Smaller P464 |
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The lethal ____ (LD) indicates the minimum amount of a solid or liquid, that when ingested, absorbed or injected through the skin will cause death. Sometimes the lethal dose gets expressed with a percentage, such as LD50 (most commonly) or LD100. The number refers to the percentage of an animal testing group in the listed dose killed. |
Lethal dose P464 |
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____ lethal dose (LD50) -indicates a statistic be derived a single dose of a substance that causes death and 50% of animals when administered orally. |
Median lethal dose P464 |
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The term ____50 means that half of the test subjects died at that dosage. |
LD50 P464 |
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The following units often quantify LD: -grams per kilogram -milligrams per kilogram -Lethal dose __ (LD10 or LDL)-indicates the lowest administered dose of a material capable of causing death. |
Lethal dose low P464 |
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The median lethal dose (_____) is the dose at which half the test subjects died. |
LD50 P464 |
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The lethal ______ LC, indicates the minimum concentration, regardless, or independent of body weight of an inhaled substance that will kill the test group (usually within one to four hours). |
Lethal concentration P464 |
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____ lethal concentration (LC50) -indicates concentrations at the list and value killed half of the test group. The 50% of the population not killed may suffer effects ranging from no response to severe injury. |
Median lethal concentration P464 |
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The following units often quantify LC: -parts per million (ppm) Milligrams per __ meter (mg/m3). |
Cubic meter P464 |
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Lethal concentration ___ (LClo or LCL)- indicates the lowest concentration of a gas or vapor capable of killing a specified species over a specified time. |
Lethal concentration low P465 |
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Lethal concentration ___ (LClo or LCL)- indicates the lowest concentration of a gas or vapor capable of killing a specified species over a specified time. |
Lethal concentration low P465 |
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The ______ dose (ID) for an organism (such as a human being) indicates the dosage of a chemical or substance required to incapacitate that organism. |
Incapacitating dose P465 |
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ID Expressed similarly to lethal dose and lethal concentration. Incapacitation varies from moderate (unable to see, difficulty breathing) to severe (convulsions). ______ warfare agents commonly list IDs. |
Chemical warfare P465 |
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Categories of incapacitating doses includes: ID__ -dose incapacitate 50% of the population of interest. ID__ -dose that incapacitate 10% of the population of interest. |
ID50 ID10 P465 |
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Check sources such as a safety data sheets (SDS), emergency response guidebook (ERG), or the national Institute for occupational safety and health (NIOSH) pocket guide to hazardous chemicals to determine safe _____ limits for particular toxic materials. |
Safe exposure limits P465 |
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Check sources such as a safety data sheets (SDS), emergency response guidebook (ERG), or the national Institute for occupational safety and health (NIOSH) pocket guide to hazardous chemicals to determine safe _____ limits for particular toxic materials. |
Safe exposure limits P465 |
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Time-weighted average (TWA)-serves as the average exposure to any hazardous gas in the workplace based on an __ hour workday for __ hour work week. |
8 hour 40hour P465 |
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____ term _____ _____ - is an allowable average exposure over a short period of time, typically __ minutes, and should not be more than __ times in a day as long as the TWA is not exceeded. |
Short term exposure limit 15 mins 4 times a day P465 |
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Permissible exposure limit (PEL) is defined by OSHA has the maximum concentration, healthy adults can be exposed to over a ___ hour, work week without adverse effects. This is usually based on an __ hour TWA, although some are based on STEL. |
40 hour 8 hour P465 |
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Recommended exposure limit (REL)- is defined by NIOSH as TWAs for up to a __ hour workday during a __ hour work week. |
10 hour 40 hour work week P465 |
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The ___ of the material sampled will inform the necessary monitoring and detection techniques and devices. |
State P466 |
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As a responder, remember that most gases sink and displace air, while only a few rise. To properly determine concentrations of different gases, operate monitoring and detection devices at different ___ within a room/area and at different grades within a building. |
Heights P466 |
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Use more than __ sampling method, and more than one technology to verify monitoring and sampling results when possible. |
One P467 |
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Use detachable probe in detecting atmospheric conditions in __ grade in confined space situation. |
Below P467 |
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To accurately asses the environment, consider instrument _____ times. |
Response P467 |
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When responding to an identified materials, take a a ____ based response approach in attempting to identify and characterize the hazards present. |
Risk based P468 |
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Gases and vapors may concentrate in __-lying areas and confined spaces. Slowly monitor at multiple depths allowing for instrument response times.. |
Low lying P469 |
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In Order for recordings to be admissible as evidence, responders must follow appropriate protocols in regard to chain of ______, packaging, labeling, and transportation of evidence to the testing authority. |
Custody P470 |
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An ___ level is a threshold measurement that triggers an action P470 |
Action level P470 |
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Often the action level may be set at the OSHA ___. |
PEL P470 |
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Hazardous ___ will usually not travel far, unless blown by the wind or dispersed by explosion. Responders at hazmat incident involving hazardous solids will typically be protected when using fire fighter protective equipment with SCBA or NFPA class ___ (OSHA/EPA level B) PPE for monitoring and sampling activities. |
Solids Class 3 P471 |
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Hazardous ___ will usually not travel far, unless blown by the wind or dispersed by explosion. Responders at hazmat incident involving hazardous solids will typically be protected when using fire fighter protective equipment with SCBA or NFPA class ___ (OSHA/EPA level B) PPE for monitoring and sampling activities. |
Solids Class 3 P471 |
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Responders at liquid release, incidents may need to don the highest respiratory and chemical protective equipment before engaging in detection and monitoring activities. The NFPA CLASS __ PPE (OSHA/EPA level B) ensemble provides liquid splash protection. |
Class 2 P471 |
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Hazardous ___ will usually not travel far, unless blown by the wind or dispersed by explosion. Responders at hazmat incident involving hazardous solids will typically be protected when using fire fighter protective equipment with SCBA or NFPA class ___ (OSHA/EPA level B) PPE for monitoring and sampling activities. |
Solids Class 3 P471 |
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Responders at liquid release, incidence may need to dump the highest respiratory and chemical protective equipment before engaging in detection and monitoring activities. The NFPA CLASS __ PPE (OSHA/EPA level B) ensemble provides liquid splash protection. |
Class 2 P471 |
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The NFPA class __ PPE provides very little protection against fire. |
Class 2 P471 |
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Hazardous ___ will usually not travel far, unless blown by the wind or dispersed by explosion. Responders at hazmat incident involving hazardous solids will typically be protected when using fire fighter protective equipment with SCBA or NFPA class ___ (OSHA/EPA level B) PPE for monitoring and sampling activities. |
Solids Class 3 P471 |
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Responders at liquid release, incidence may need to dump the highest respiratory and chemical protective equipment before engaging in detection and monitoring activities. The NFPA CLASS __ PPE (OSHA/EPA level B) ensemble provides liquid splash protection. |
Class 2 P471 |
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The NFPA class __ PPE provides very little protection against fire. |
Class 2 P471 |
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Corosive ____ can damage and penetrate firefighter, protective clothing, and SCBA. |
Gases P471 |
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Flammable, gases, present, an extreme fire hazard; _____ gases can cause explosions. ___ gases can displace oxygen levels in enclosed spaces causing an asphyxiation hazard. |
Oxidizing Inert P471 |
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The NFPA Class ___ (OSHA/EPA LEVEL A) ensemble provides the highest level of skin and respiratory protection, against vapors, gases, mists and particles. |
NFPA class 1 P471 |
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Most instruments need ___ before each use, per AHJ and manufacturers recommendations. |
Calibration P472 |
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Most instruments need ___ before each use, per AHJ and manufacturers recommendations. |
Calibration P472 |
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The field test (___ test) sensors, function appropriately for alarms and other functions, but it does not test accuracy of the sensor. |
Bump test P472 |
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____ resets the memory of an instrument to read at normal (baseline) levels of fresh air. |
Zeroing P472 |
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____ resets the memory of an instrument to read at normal (baseline) levels of fresh air. |
Zeroing P472 |
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Multi gas detector should not be zeroed near running _____ where carbon monoxide levels maybe high. |
Vehicles P472 |
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The primary equipment used to measure corrosivity is ___ paper. |
Ph paper P474 |
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____ substances have excess hydronium ions and a PH less than seven. As pH levels fall below __, compounds become increasingly acidic. |
Acidic 7 P474 |
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Basic substances have excess ____ ions and a ph greater than 7. As ph levels increase above 7, compounds become more ____. |
Hydroxide Alkaline P474 |
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Ph paper changes ___ when it comes into contact with corrosive materials; the color of the paper indicates the pH of the material. |
Color P474 |
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Often, PH paper provide a scale from zero to ___, the paper may vary in specificity. |
14 P474 |
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Ph 0-2especially corrosive acid Ph 3-6 weakly acidic Ph 7 -neutral (water) Ph 8-12- weakly basic (alkaline) Ph12.5-14 -especially corrosive based Ph paper stripped or bleached= oxidizers and ___ peroxides. |
Organic peroxides P474 |
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To Test the pH of some hydrocarbons, a responder can wet the pH paper with water and wave the pH paper in the ___ space above the material to test its ph. |
Vapor P474 |
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A liquid sample with a pH indicating 10 to 13 is an especially corrosive ___. |
Base P475 |
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Many hydrocarbons may appear to give a reading between 4-__ on the pH scale, but it is not a true measure of corrosivity. |
4-6ph P476 |
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Many many appear to get a reading between 4-__ on the pH scale, but it is not a true measure of corrosivity. |
4-6ph P476 |
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Responders can attach a strip of pH paper, wetted with water, to their ____ mask, PPE, a pike pole, or other instrument (for example, a probe) to ensure the quick detection of corrosive atmospheres. |
SCBA P476 |
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____ is the most reactive chemical element. Compounds containing fluorine are called _____. |
Fluorine Fluorides P476 |
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Hydrogen ____ (HF), a widely used fluoride is extremely corrosive, toxic and highly reactive. In situations involving unidentified, hazardous materials, responders should test for ____ (HF in particular) for the protection. |
Fluoride Fluoride P476 |
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Responders not wearing NFPA class one (OSHA/EPA LEVEL A) ensemble should evacuate the area immediately if ___ test strips, change color in air. |
Fluoride P476 |
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Fluoride test papers can indicate fluoride ions and gaseous hydrogen ____. Like ph strips, fluoride test paper strips can be attached to PPE or other detection equipment. |
Fluoride P476 |
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_____ is a commercially made product that detects a variety of hazardous materials in a liquid spill. |
Spilfyter P477 |
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Hazmat ___ Strip, is a product that detects a variety of hazardous materials in the air. It warns responders if it detects a hazardous chemical. It identifies ___ classes of chemicals with a color code system. |
Hazmat, smart strip Eight P477 |
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The ____ sensor, also known as a combustible gas indicator (CGI) measures the amount of flammable vapor and gases in the atmosphere. Typically these devices will sound an alarm at __% of the LEL of the calibration gas. |
LEL SENSOR 10% P477 |
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Even low percentages of LEL indicate that something is in the air, potentially at dangerously toxic levels. Each LEL sensor is calibrated to a specific flammable gas (commonly methane, pentane, propane, or _____). |
Hexane P477 |
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_____ peroxides can initiate explosive polymerization in certain materials, and they are components of homemade explosives (HME) such as triacetone triperoxide(TATP) and hexamethylene triperoxide Diamine (HMTD). |
Organic peroxides P478 |
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Potassium iodide starch paper can be used to test for _____ and/or potential explosives. |
Peroxides P478 |
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If responders detect a ______, or potential explosive, withdraw immediately and contact public safety bomb technicians. |
Peroxide P479 |
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Oxygen sensors should be zeroed in clean air at the _____ Of the incident, since oxygen levels very at different elevations. |
Elevation P479 |
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Oxygen sensors should be zeroed in clean air at the _____ Of the incident, since oxygen levels very at different elevations. |
Elevation P479 |
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Oxygen detectors, detect the ____ of oxygen in the air. |
Percentage P479 |
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Oxygen readings below ___._% indicates a depletion of oxygen, or a contaminant in the air is displacing oxygen. |
20.9% P479 |
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Because the contaminant will displace air not just oxygen proportionally, a one percent drop in oxygen is equivalent to __,___ ppm of something else in the air. Even if oxygen levels, do not fall enough to trigger an alarm, reduced levels of oxygen, potentially represent a significant hazard in the form of toxic contaminants. |
50,000ppm P479 |
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Because they contaminant will displace air not just oxygen proportionally, a one percent drop in oxygen is equivalent to __,___ ppm of something else in the air. Even if oxygen levels, do not fall enough to trigger an alarm, reduced levels of oxygen, potentially represent a significant hazard in the form of toxic contaminants. |
50,000ppm P479 |
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A ____ percent drop in oxygen represents 50,000 ppm of something else in the air. Reduced oxygen levels may represent a potentially significant toxicity hazard. |
One percent P479 |
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Emergency responders must always check for ____ at explosive incidents. |
Radiation P480 |
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Responders should know several terms that expressed radiation dose and exposure because these unit measurement may be used on radiation dose instruments(_____) and radiation survey meters. |
Dosimeters P480 |
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Two System of units, English, and SI, measure and express radiation exposure and radiation dose(energy, absorbed from the radiation). The US still commonly used in English system. |
P480 |
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Radiation _____ dose (RAD) expresses the amount of radiation energy, absorbed by a material. This unit applies to any material and all types of radiation, but it does not take into account the potential effect different types of radiation have on the human body. |
Radiation absorbed dose (RAD) P480 |
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Radiation _____ dose (RAD) expresses the amount of radiation energy, absorbed by a material. This unit applies to any material and all types of radiation, but it does not take into account the potential effect different types of radiation have on the human body. |
Radiation absorbed dose (RAD) P480 |
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_____ equivalent in man (REM) expresses the absorbed dose equivalence as pertaining to a human body. Rem applies to all types of radiation. This unit takes into account, the energy absorbed (as measured in rad) and the biological effects on the body due to different types of radiation. Agencies use __ to Set dose limits for emergency responders. Smaller amounts of radiation exposure may be described in ___rem (mrem). |
Roentgen equivalent in man (rem) Rem Millirem P480 |
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______ (R) only measure exposure to gamma and x-ray radiation. Radiation survey meters use R per ___ (R/hr). |
Roentgens Hour P480 |
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______ (_) only measure exposure to gamma and x-ray radiation. Radiation survey meters use R per ___ (R/hr). |
Roentgens Hour P480 |
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For gamma and x-ray radiation apply the following common conversion, factor amount, absorbed dose, dose equivalent, and exposure: 1 rad = 1 Rem= 1 R |
P480 |
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______ (R) only measure exposure to gamma and x-ray radiation. Radiation survey meters use R per ___ (R/hr). |
Roentgens Hour P480 |
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For gamma and x-ray radiation apply the following common conversion, factor amount, absorbed dose, dose equivalent, and exposure: 1 rad = 1 Rem= 1 R |
P480 |
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The SI unit to measure absorbed dose is called ___ (Gy) whereas the unit for dose equivalent is ______ (Sv). Some newer radioactive survey meters and meters outside US use sievert. |
Gray Sievert P480 |
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Handheld, portable survey instrument provide first responders the simplest option to detect _______ and contamination. |
Radiation P480 |
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Radiological detection instruments can be divided into three groups: Measuring radiation exposure Detect contamination Dose monitoring and personal __metry |
Dosimetry P481 |
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_____ devices help wearers track their accumulated radiation dose. Similar to a vehicle’s odometer, the dosimeter measures the total received dose. |
Dosimetry P481 |
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A self reading dosimeter (SRD) measures radiation dose in ____ (R), ______ (mR), ______ (Sv) or _____(Gy). |
Roentgen Milliroentgens Sieverts Gray P481 |
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Generally, SRDs only measure gamma and ____ radiation. SRDs have many names including; Direct reading, Dosimeter (drd) Pencil dosimeter Pocket ion chamber (PIC) |
X ray P481 |
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___ track individual radiation exposure levels. |
Dosimeters P482 |
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Responders should always record the SRD reading before they enter a radiation field(hot zone) read the SRD periodically at 15 to __ minute intervals) while working in the hot zone and read it upon exit from the hotzone. |
15 to 30 minutes P482 |
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Responders should always record the SRD reading before they enter a radiation field(hot zone) read the SRD periodically at 15 to __ minute intervals) while working in the hot zone and read it up on exit from the hotzone. |
15 to 30 minutes P482 |
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Using the _____ (as low as reasonably achievable) principal should allow responders to conduct many operations, including rescues below the _ rem limit. |
ALARA 5rem P482 |
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Responders should always record the SRD reading before they enter a radiation field(hot zone) read the SRD periodically at 15 to __ minute intervals) while working in the hot zone and read it up on exit from the hotzone. |
15 to 30 minutes P482 |
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Using the _____ (as low as reasonably achievable) principal should allow responders to conduct many operations, including rescues below the 5 rem limit. |
ALARA P482 |
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No detector or device can detect ____ materials. Responders should recognize that hazardous chemical reactions will cause a temperature change. For example, a hazardous material in a container that begins to ____ will produce heat. To check for this type of reaction, responders can an infrared ____ (or thermal imager or forward looking infrared detector) directly at the container. This thermometer may detect rising temperatures, indicating a reaction in progress or a temperature increase that may lead to pressure change. |
Reactive Polymerize Thermometer P483 |
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Responders should always record the SRD reading before they enter a radiation field(hot zone) read the SRD periodically at 15 to __ minute intervals) while working in the hot zone and read it up on exit from the hotzone. |
15 to 30 minutes P482 |
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Using the _____ (as low as reasonably achievable) principal should allow responders to conduct many operations, including rescues below the 5 rem limit. |
ALARA P482 |
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No detector or device can detect ____ materials. |
Reactive P483 |
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____ imagers can reveal thermal differences in liquid and vapor space. |
Thermal imagers P483 |
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In addition to temperature, thermal imager is May detect ____ levels in containers and hazmat incidents. |
Liquid levels P484 |
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_________ detectors (PID), using ultraviolet lamps to ionize samples of gaseous materials. PIDs detect a low to very low concentrations of many organic and some inorganic gases and vapors. |
Photo ionization detectors P485 |
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_________ detectors (PID), using ultraviolet lamps to ionize samples of gaseous materials. PIDs detect a low to very low concentrations of many organic and some inorganic gases and vapors. |
Photo ionization detectors P485 |
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_____ cannot identify the materials present, but they can quickly and effectively indicate the presence of a contaminant. Most PIDs use several lamps (or bulbs) to measure the ionization _____ (IP) of a material. |
PIDs Ionization potential P485 |
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_________ detectors (PID), using ultraviolet lamps to ionize samples of gaseous materials. PIDs detect a low to very low concentrations of many organic and some inorganic gases and vapors. |
Photo ionization detectors P485 |
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_____ cannot identify the materials present, but they can quickly and effectively indicate the presence of a contaminant. Most PIDs use several lamps (or bulbs) to measure the ionization _____ (IP) of a material. |
PIDs Ionization potential P485 |
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______ detectors are highly technical resources and more commonly used by hazmat material technicians, than by operational level responders. |
Photo ionization P485 |
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Certain models of PID instruments are not intrinsically safe, so they must be used in conjunction with a ____ sensor. |
LEL P485 |
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______ detectors (PIDs) cannot identify the substances, only detect their presence. |
Photo ionization detectors P485 |
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PIDs do not respond to any products with ionization potential (IP) greater than the ultraviolent ___ in the PID. |
Lamp P486 |
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PIDs do not respond to any products with ionization potential (IP) greater than the ultraviolent ___ in the PID. |
Lamp P486 |
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Responders should not use PIDs in the ____ or high humidity environments without the proper filtration attachment. |
Rain P486 |
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Reaponders must not allowed gas detectors to draw ____ into the probe. |
Liquid P486 |
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The NIOSH pocket guidebook indicates that the IDLH of benzene (a carcinogen) is ____ppm and cannot be read by an LEL sensor. A ___, will detect benzene and other contaminants hazardous to responders at low levels. |
500ppm PID P486 |
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Infrared thermometer- Also known as _______ gun. |
Temperature temperature gun P487 |
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Median lethal concentration, 50% kill (LC50) - Concentration of an inhaled substance that resulted in the death of ___ percent of the test population. |
50% P487 |
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Some types of reagent test paper may require _____. |
Wetting P489 |
