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Get Informed | gamma-Hexachlorocyclohexane (Lindane)

What is gamma-Hexachlorocyclohexane (Lindane)?

Gamma hexachlorocyclohexane (𝛾HCH), or Lindane, is a commercial insecticide that is persistent in the environment. Lindane may have a slight musty odor when the concentration is 12 mg/L or more. The primary source of lindane in the environment is associated with the runoff or recharge of contaminated water that contains lindane. It is associated with common insecticide management on agricultural lands (vector control), forest products, timber applications to combat wood beetles, and pet and cattle flea control. It can also be found in shampoos for treating head lice or in a lotion for treating scabies.

Note - The medical use of Lindane has been banned in California. In the USA, lindane has not been manufactured since the mid-1970s, but it is imported.

How Does gamma-Hexachlorocyclohexane (Lindane) become a problem?

Under aerobic conditions in soil, i.e., lots of oxygen, lindane has a biological half life of 88 to 1146 days, but under anaerobic conditions (very low oxygen) the half life is 12 to 174 days. Lindane is not normally associated with groundwater contamination, but it has been associated with surface water sources, surface intakes, runoff, and when a well is directly influenced by a surface event or flooding (Source).

Lindane is the gamma isomer of hexachlorocyclohexane ("γ-HCH"). In addition to the issue of lindane pollution, some concerns are related to the other isomers of HCH, namely alpha-HCH and beta-HCH, which are notably more toxic than lindane, lack its insecticidal properties, and are present because they are byproducts of lindane production. For example, the beta-isomer of HCH is the most persistent and bioaccumulative with primary target areas being the liver and kidneys. (Source).

An explanation of the isomers of HCH: Hexane is a hydrocarbon (only carbon and hydrogen), an organic compound in which the six (hex means six in Latin) carbons are attached to one another with single bonds (which is why the name ends in “-ane”). The hexane could be six carbons in a line or the carbons can form branches; the different configurations are isomers of hexane. Since each carbon has four bonds, there are a total of 24 bonds (6 carbons x 4 bonds each) that must link with something. Regardless of configuration (isomer), five of those bonds are shared bonds with other carbons, accounting for ten bonds. For hexane, the remaining 14 bonds are linked with hydrogen which then results in a chemical formula of C6H14.

Now take the two ends of a straight line of hexane and join them together to form a hexagon. In order to do that, you must remove a hydrogen from each end of the hexane to create an open bond. With the ends joined to form the hexagon, the chemical formula becomes C6H12 and you now have cyclohexane. Note: benzene also has a six-carbon hexagon structure but every other bond between carbons is a double bond which reduces the number of hydrogens needed to satisfy the four bonds of each carbon, yielding a chemical formula of C₆H₆. In cyclohexane, each carbon is linked to two hydrogens and two other carbons. In benzene, each carbon is linked to one carbon with a double bond, another carbon with a single bond, and one hydrogen.

Remove one hydrogen from each carbon in the cyclohexane and replace it with a chlorine (technically, a chloride). The result is hexachlorocyclohexane (the cyclohexane has six chlorides attached to it) with a chemical formula of C₆C₁₆H₆. So, what are the isomers?

If you imagine the hexagon being horizontal, for each carbon in the hexagon, either the hydrogen or the chloride will stick up above the hexagon with the other one below the hexagon. The isomers are the different configurations of which ones are sticking up and which ones are below the hexagon. One possible configuration would be to have all of the chlorides above the hexagon and all of the hydrogens below it. That particular isomer is very unlikely because the negatively charged chloride ion is relatively quite large and like charges repel one another, making that configuration very unstable. There are four stable isomers named after the letters of the Greek alphabet: alpha, beta, gamma, and delta. Lindane is the gamma isomer which can be described by giving each carbon in the hexagon a number. Imagine the hexagon as being vertical. The carbon at the top would be number one, Going clockwise around the hexagon, continue numbering the carbons. The gamma isomer is the configuration in which the chlorides at 2, 3, 5, and 6 are above the hexagon while the chlorides at 1 and 4 are below it. It doesn’t seem like much of a difference but this is the only isomer that is an effective insecticide and some of the physical properties of the isomers, such as solubility in water, can be surprisingly different.

What are the Health Risks for gamma-Hexachlorocyclohexane (Lindane)?

Based on animal studies, lindane can adversely impact the kidney and liver and oral exposure has been associated with damage to the nervous system including seizures and convulsions, vomiting, nausea, and adverse impacts to the cardiovascular system, the skeleton, muscles, cartilage, tendons, ligaments, joints, and other connective tissue.

What are the Standards for gamma-Hexachlorocyclohexane (Lindane)?

There is a federal primary drinking water standard for lindane. The EPA has established a drinking water standard MCL of 0.0002 mg/L and a DWEL of 2 mg/L.

The EPA has also set these guidelines for lindane:

One-Day HAL: The level at which a child, drinking 1 liter of water in the course of one day, would not be expected to have any health problems related to lindane is 1 mg/L.

Ten-Day HAL: The level at which a child, drinking 1 liter of water per day for ten days, would not be expected to have any health problems related to lindane is also 1 mg/L.

Some web portals suggest California has a drinking water limit of 0.019 ppb or 19 ppt for Lindane, but all we could find was a drinking water limit of 0.0002 mg/L.

We did find the following as it relates to the 19 ppt "standard". "The California standard for lindane in surface water bodies that are existing or potential drinking water sources is 19 ppt. (Source)"

Get Tested | gamma-Hexachlorocyclohexane (Lindane)

Like many contaminants in drinking water, lindane is potentially hazardous at levels or concentrations that do not impart a noticeable taste, odor, or appearance to the water. Lindane may have a very slight musty odor, but this is only present when the concentration is over 12 mg/L, which exceeds the drinking water standard. If you are exposed to lindane at the maximum contaminant level you may experience a high body temperature and pulmonary edema; while long-term exposure may impact your kidney or liver (Source).

Your best course of action is to get your water tested and to compile as much information as possible about your water supply source, well construction, surrounding land-use, nature/type of agricultural/timber activity that may have historically used, i.e., fruit and vegetable crops and timber management for beetles, and the historic activities around your water source.

Level 1 | Observational Self-Testing

Level 1 Testing is done with simple observations that an individual can make with their own senses such as sight, smell, and taste. These observations can be readily apparent or can be observed as they change over time. In addition, accessible related information about the home can also be used to narrow down the cause of your water issues.

Notes on Level 1 Testing for gamma-Hexachlorocyclohexane (Lindane)

As previously mentioned, lindane does have a slight odor, but this is at a level that exceeds the drinking water standard. You may need to be concerned about lindane if there was a high historic use in your area and/or if your well has an elevated presence of Total Coliform Bacteria, Nitrates and Nitrites, or other agricultural chemicals.

Observations for gamma-Hexachlorocyclohexane (Lindane)

For lindane, there will likely be very few warning signs.  If you are in an agricultural area or an area with a current or historic use of lindane it may be advisable to screen-test your water.

Level 1 | Self-Test Web App
To do a quick and easy self diagnosis of your water, click the button below.
Launch

Level 2 | Do-It-Yourself Testing

Level 2 Testing is Do-It-Yourself testing that can be done in your own home using a Testing Kit. After you’ve done Level 1 Testing, Level 2 Testing can confirm if your observations are correct. If your test results reveal the presence of a contaminant that is cause for concern, you can either proceed to determine the best treatment (see below) or continue to Level 3 Testing.

Notes on Level 2 Testing for gamma-Hexachlorocyclohexane

There is an in-home screening test for pesticides, but it tests for the trazine class of herbicide, such as atrazine or simazine, and not insecticides like lindane. This is a good low-cost test to see if the agricultural usage of Herbicides, Pesticides, or insecticides, are impacting your water source, but it does not replace a target informational or certified test. Lindane does bioaccumulate, but is also flushed from the body so you can have urine and blood tested for lindane.

Recommended Level 2 Tests
National Testing LabsWater Check Deluxe

<div class="product-note in-L4-carbon-filtration">Note: For rural Areas with <a href="/indoor-6/herbicides-pesticides">Herbicides and Pesticides</a> Usage</div>

View
Crystal QuestCountertop Water Filter With Three Cartridges

<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

View
Filter WaterBrondell Cypress Countertop Water Filtration System (Code A27AC)

<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>

View
Crystal QuestGAC Carbon Commercial Water Filter System

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POE Device System Component</div>
<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L (POE Device System Component)</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

View
Crystal QuestThunder 1000CP Reverse Osmosis System with Pump

<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device System Component)</div>

View
Recommended Products
National Testing LabsL3-NATE-W-2 | WaterCheck Deluxe

<div class="product-note in-L4-carbon-filtration">Note: For rural Areas with <a href="/indoor-6/herbicides-pesticides">Herbicides and Pesticides</a> Usage</div>

View
Crystal QuestST-CRYS-D-02 | Countertop Water Filter With Three Cartridges

<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

View
Filter WaterST-FILT-B-01 | Brondell Cypress Countertop Water Filtration System

<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>

View
Crystal QuestLT-CRYS-G-01 | GAC Carbon Commercial Water Filter System

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POE Device System Component</div>
<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L (POE Device System Component)</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

View
Crystal QuestLT-CRYS-T-03 | Thunder 1000CP Reverse Osmosis System with Pump

<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device System Component)</div>

View

Level 3 | Informational Testing

Level 3 Testing is done through an accredited Water Testing Laboratory. With Level 3 Testing, you can order a testing kit that is used to prepare your sample and submit it to the lab. By utilizing a lab, you have the assurance that a certified water expert had analyzed your water sample. If your test results reveal the presence of a contaminant that is cause for concern, you can either proceed to determine the best treatment options (see below) or continue to Level 4 Testing - Certified Testing.

Notes on Level 3 Testing for gamma-Hexachlorocyclohexane (Lindane)

Most comprehensive informational water quality testing kits that include herbicides and pesticides will include lindane.

Recommended Level 3 Tests
National Testing LabsWater Check Deluxe

<div class="product-note in-L4-carbon-filtration">Note: For rural Areas with <a href="/indoor-6/herbicides-pesticides">Herbicides and Pesticides</a> Usage</div>

View
Crystal QuestCountertop Water Filter With Three Cartridges

<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

View
Filter WaterBrondell Cypress Countertop Water Filtration System (Code A27AC)

<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>

View
Crystal QuestGAC Carbon Commercial Water Filter System

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POE Device System Component</div>
<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L (POE Device System Component)</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

View
Crystal QuestThunder 1000CP Reverse Osmosis System with Pump

<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device System Component)</div>

View

Level 4 | Certified Testing

A Level 4 Certified Test Test uses chain-of-custody with a water professional coming to your home to prepare the water sample and then works with an accredited laboratory in order to certify your test results. This type of testing not only gives you the highest level of assurance in the accuracy of your test results, but can also be used as a document in legal cases. For Baseline Testing, we recommend that you use Certified Testing.

Notes on Level 4 Testing for gamma-Hexachlorocyclohexane (Lindane)

If you need certified testing for lindane, it would be advisable to test for Herbicides and Pesticides and other salts associated with the surrounding land-use activities. If you need help with finding a certified laboratory, please Contact our team.

Get Treatment | gamma-Hexachlorocyclohexane (Lindane)

Pretreatment will most likely be needed to ensure acceptable treatment by the primary water treatment system that will be designed for lindane and other volatile organic compounds. Lindane would most likely be associated with other contaminants like Bacteria, Nitrate, and other salts. Bioremediation of organic spills and releases may add metals like aluminum, Iron and Manganese. Periodic testing should be maintained after the treatment system is in place to ensure objectives are being met and the system is operating properly. Most systems will require maintenance on at least an annual basis. As a safeguard against contaminant break-through, it is necessary to conduct detailed water testing before and after any treatment systems and it may be advisable to consider "high quality" sub-micron carbon block or granulated Carbon Filter as a final barrier.

Short Term Treatment

First, do not boil your drinking water! This is because it is possible that you may concentrate other contaminants in the water and lindane can pollute the air. If you believe there is a drinking water exposure to lindane or a related Herbicide, Pesticide, or insecticide, we recommend a comprehensive water quality test and that you consider bottled water for drinking. Since some of these compounds may affect your skin, we also recommend that you consider using some carbon block or granular carbon point-of-use pretreatment systems on potable and bathing water as a precaution or consider using a temporary potable water source. Again, the first step would be to understand the risk, get your water tested, make fact-based decisions, and, in many cases, seek the advice of an expert.

If the levels of volatile organics and lindane are at levels that do not violate a drinking water standard, you could consider installing a countertop treatment system that meets NSF Standard 53 for VOC reduction.

Recommended Short-Term Treatments

<div class="product-note in-L4-carbon-filtration">Note: For rural Areas with <a href="/indoor-6/herbicides-pesticides">Herbicides and Pesticides</a> Usage</div>

View

<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

View

<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>

View

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POE Device System Component</div>
<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L (POE Device System Component)</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

View

<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device System Component)</div>

View
Contact a KnowYourH2O Recommended Professional

Submit a Request for Consultation with the Know Your H20 Team. Contact Us

Long Term Treatment

The selection of a long-term treatment approach depends on many variables, but it is critical to understand the source of the contamination, determine what other contaminants are present, mitigate the source as much as possible, conduct a comprehensive water quality assessment and, most likely, install a multiple barrier treatment system. If your drinking water is vulnerable to contamination by lindane, it is likely vulnerable to impacts by other contaminants. A comprehensive assessment and mitigation of the source is likely to include the use of a granular activated Carbon Filtration system and, in some cases, pretreatment for particle removal and disinfection and post-treatment for salts which may require Reverse Osmosis.

Recommended Long-Term Treatments

<div class="product-note in-L4-carbon-filtration">Note: For rural Areas with <a href="/indoor-6/herbicides-pesticides">Herbicides and Pesticides</a> Usage</div>

View

<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

View

<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>

View

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-toluene">Note: If the concentration is less than 0.8 mg/L</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POE Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POE Device System Component</div>
<div class="product-note in-L6-bromate">Note: If the concentration is < 0.01 mg/L (POE Device System Component)</div>
<div class="product-note in-L4-methyl-tertiary">Note: Concentrations < 40 ppb</div>

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<div class="product-note in-L6-mtbe-methyl-tert-butyl-ether">Note: If the concentration is < 0.07 mg/L (POU Device System Component)</div>

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