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Get Informed | Xylenes

What are Xylenes?

Xylene is a colorless, clear, sweet-smelling organic solvent and is a naturally-occurring organic compound in petroleum, coal tar, and in the residue of a forest fire. Xylene is also known as xylol or dimethylbenzene. Chemically, xylene is benzene with two methyl groups (CH3–) attached to the benzene. Since there are six possible spots on the benzene hexagon where the methyl groups can attach, there are three different possible configurations (meta, ortho, para) of methyl groups on the benzene which is why ‘xylene’ is plural. For our purposes, they all act the same.

Xylene is manufactured and used to produce adhesives, inks, detergents, cleaning agents, polyester fibers, solvents, paints, insecticides, printing ink, rubber, leather, and pharmaceuticals and is blended into airplane fuel and gasoline. Xylene can be detected in water because it has an odor at a concentration of 0.02 to 1.1 mg/L.

How Do Xylenes become a problem?

Exposure to xylene can occur through dermal contact, inhalation, and ingestion. Contaminated drinking water has been associated with disorders of the central nervous system, liver and kidney damage, and issues with coordination and balance.

What are the Health Risks for Xylenes?

Based on animal studies, xylene exposure has been linked to damage or changes to the liver, heart, kidneys, lungs, and nervous system. Dermal contact in animals has been linked to skin irritation and inflammation. "Both the International Agency for Research on Cancer (IARC) and EPA have found that there is insufficient information to determine whether or not xylene is carcinogenic and consider xylene not classifiable as to its human carcinogenicity." (Source)

What are the Standards for Xylenes?

Xylene is regulated as a primary drinking water standard and the MCL and the MCLG are both 10 mg/L. The EPA has a DWEL of 7.00 mg/L (noncarcinogenic).  There is a rather wide range in the drinking water standards for xylene. For example, Canada has a standard of 0.09 mg/L, the California standard is 1.75 mg/L, Israel has a standard of 0.5 mg/L, in Hong Kong the standard is 0.5 mg/L, Maine has a standard of 1 mg/L, WHO has a standard of 0.5 mg/L, and Wisconsin has a standard of 2 mg/L. Because xylene can also have an aesthetic problem, its odor, it would be advisable to reduce the concentration of xylene so the water doesn’t have an odor

One-Day HA: The concentration of a chemical in drinking water that is not expected to cause any adverse noncarcinogenic effects for up to one day of exposure. The One-Day HA intended to protect a 10-kg child consuming 1 liter of water per day is 40 mg/L.

Ten-Day HA: The concentration of a chemical in drinking water that is not expected to cause any adverse noncarcinogenic effects for up to ten days of exposure. The Ten-Day HA intended to protect a 10-kg child consuming 1 liter of water per day is also 40 mg/L.

Get Tested | Xylenes

You should get your drinking water tested for xylene when you suspect your drinking water has been impacted by a leak or spill associated with a petrochemical operation, if you are adjacent to a landfill, manufacturer that uses xylene, or located near an activity with high xylene emissions. Xylene can create a sweet or chemical odor at a level that is well below the drinking water standard for xylene, but not below the drinking water standard for other volatile organic compounds like benzene. If your water has a film with a metallic sheen that, after being disrupted, comes back together, this would then suggest the sheen is related to a petrochemical problem. Therefore, the odor properties of xylene may help to suggest testing not just for xylene, but for a range of volatile organic compounds.

Level 1 | Observational Self-Testing

Notes on Level 1 Testing for Xylene

Other than odor, there are few limited warning signs of a problem with xylene when the concentration of xylene is below or at the drinking water standard. The best screening test is location, location, and location. Are you located in an area that has historic problems with an industry that uses xylene in manufacturing, petrochemical contamination, fuel storage, or oil/natural gas development?

Observations for Xylene

The primary observation is that xylene has a distinct odor (a sweet or chemical odor), but over time your sense of smell and ability to detect xylene may become fatigued or diminished; it’s still there but you can’t smell it anymore.

Try Our Level 1 Drinking Water Self-Diagnostic Tool
Have water issues? Answer our self-diagnosis questionnaire from your observations to get an initial diagnosis. Then follow our recommended steps to remediate your issue.
Self-Diagnostic Tool

Level 2 | Do-It-Yourself Water 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 Xylene

We are not aware of a low-cost screening test or meter that can be used to document the level of xylene in your water. Since xylene is volatile, gasoline station leaks and spills can release xylene into the air. There are some reliable low-cost air quality monitors that can monitor for total natural & synthetic volatile organic compounds causing most odors (TVOC).

If you are concerned about the outdoor air quality because of a petrochemical related operation or you travel to urban areas with poor air quality, we would suggest you consider looking at the Atmotube PLUS (Real-time air quality tracker).

Recommended Level 2 Tests
CityCheck Standard

<div class="product-note in-L4-sulfur-treatment">Note: Use in combination with Sulfate-Reducing Bacteria Test</div>

Water 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>

ST-CRYS-T-02
Crystal Quest
Triple Under-Sink Water Filter, 8-Stage

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device) </div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration of trihalomethanes is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<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-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 < 1.0 mg/L (POU Device)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device)</div>
<div class="product-note in-L6-gross-alpha">Note: Temporary Solution: If the concentration of alpha is < 5 pCi/L (POU Device)</div>
<div class="product-note in-L6-beta-particles">Note: Temporary Solution: If the concentration is < 4 millirems/year (POU Device)</div>
<div class="product-note in-L6-radium-226-and-radium-228">Note: Temporary Solution: If combined concentration is less than 5 pCi/L and alpha, beta, and uranium are below drinking water limit (POU Device)</div>
<div class="product-note in-L6-total-dissolved-solids">Note: Consider this treatment If the problem appears to be related to a metal or hardness.</div>

ST-FILT-B-01
Filter Water
Brondell 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>

LT-CRYS-G-01
Crystal Quest
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>

LT-CRYS-T-02
Crystal Quest
Thunder 2000M Reverse Osmosis System with Ultrafiltration

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device System Component)</div>

Recommended Products
National Testing LabsL3-NATE-C-3 | CityCheck Standard

<div class="product-note in-L4-sulfur-treatment">Note: Use in combination with Sulfate-Reducing Bacteria Test</div>

View
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-T-02 | Triple Under-Sink Water Filter, 8-Stage

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device) </div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration of trihalomethanes is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<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-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 < 1.0 mg/L (POU Device)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device)</div>
<div class="product-note in-L6-gross-alpha">Note: Temporary Solution: If the concentration of alpha is < 5 pCi/L (POU Device)</div>
<div class="product-note in-L6-beta-particles">Note: Temporary Solution: If the concentration is < 4 millirems/year (POU Device)</div>
<div class="product-note in-L6-radium-226-and-radium-228">Note: Temporary Solution: If combined concentration is less than 5 pCi/L and alpha, beta, and uranium are below drinking water limit (POU Device)</div>
<div class="product-note in-L6-total-dissolved-solids">Note: Consider this treatment If the problem appears to be related to a metal or hardness.</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-02 | Thunder 2000M Reverse Osmosis System with Ultrafiltration

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device System Component)</div>

View

Level 3 | Informational Water 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 Xylene

Most quality informational water testing kits include testing for xylene and other volatile organic compounds.  It is not likely that City Water users will have levels of xylene that exceed the drinking water standards, but it has been reported that in over 40 states there are over 2400 public water systems with detectable levels of xylene. For this situation, we recommend the National Testing Labs City Water Check Standard. For private systems and well owners in rural areas we recommend the National Testing Labs Well Water Check Deluxe. If you are only looking for petrochemical or VOC testing, we recommend one of the Tap Score Products Kits.

Recommended Level 3 Tests
CityCheck Standard

<div class="product-note in-L4-sulfur-treatment">Note: Use in combination with Sulfate-Reducing Bacteria Test</div>

Water 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>

ST-CRYS-T-02
Crystal Quest
Triple Under-Sink Water Filter, 8-Stage

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device) </div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration of trihalomethanes is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<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-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 < 1.0 mg/L (POU Device)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device)</div>
<div class="product-note in-L6-gross-alpha">Note: Temporary Solution: If the concentration of alpha is < 5 pCi/L (POU Device)</div>
<div class="product-note in-L6-beta-particles">Note: Temporary Solution: If the concentration is < 4 millirems/year (POU Device)</div>
<div class="product-note in-L6-radium-226-and-radium-228">Note: Temporary Solution: If combined concentration is less than 5 pCi/L and alpha, beta, and uranium are below drinking water limit (POU Device)</div>
<div class="product-note in-L6-total-dissolved-solids">Note: Consider this treatment If the problem appears to be related to a metal or hardness.</div>

ST-FILT-B-01
Filter Water
Brondell 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>

LT-CRYS-G-01
Crystal Quest
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>

LT-CRYS-T-02
Crystal Quest
Thunder 2000M Reverse Osmosis System with Ultrafiltration

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device System Component)</div>

Level 4 | Certified Water 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 Xylene

If you need certified testing for xylene, it would be advisable to test for a broader range of volatile organic compounds and it may be advisable to include testing for BTEX (Benzene, Toluene, Ethylbenzene, and Xylene) and MTBE (methyl tert-butyl ether).

Get Treatment | Xylenes

It is unlikely that a city or regulated community water supply source would be contaminated with xylene, but this is more likely for private water supply systems or transient non-community systems. This may be a concern if you are located near a leaky underground storage tank, a site contaminated with xylene, an area with a known or suspected release, or in an area where there are underground or surface petrochemical storage tanks. Volatile organic compounds can typically be treated and removed from water using a combination of air sparging/ air stripping, Carbon Filtration, and Reverse Osmosis, but reverse osmosis is used as only a final barrier and to polish the water.

Short-Term Treatment

Because of concerns related to the exposure to xylene via consumption, inhalation, and dermal contact, the primary recommendation is to develop an alternative potable water source and to use bottled water. For trace levels of Xylene and volatile organic contamination, it may be advisable to use a point-of-use Carbon Filtration system or whole house granular-activated-carbon unit.

Recommended Short-Term Water Treatments

<div class="product-note in-L4-sulfur-treatment">Note: Use in combination with Sulfate-Reducing Bacteria Test</div>

<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>

ST-CRYS-T-02
Crystal Quest

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device) </div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration of trihalomethanes is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<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-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 < 1.0 mg/L (POU Device)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device)</div>
<div class="product-note in-L6-gross-alpha">Note: Temporary Solution: If the concentration of alpha is < 5 pCi/L (POU Device)</div>
<div class="product-note in-L6-beta-particles">Note: Temporary Solution: If the concentration is < 4 millirems/year (POU Device)</div>
<div class="product-note in-L6-radium-226-and-radium-228">Note: Temporary Solution: If combined concentration is less than 5 pCi/L and alpha, beta, and uranium are below drinking water limit (POU Device)</div>
<div class="product-note in-L6-total-dissolved-solids">Note: Consider this treatment If the problem appears to be related to a metal or hardness.</div>

ST-FILT-B-01
Filter Water

<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>

LT-CRYS-G-01
Crystal Quest

<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>

LT-CRYS-T-02
Crystal Quest

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device System Component)</div>

If the concentration is at or over 1 mg/L - submit a Request for Consultation with the KnowYourH20 Team. Contact Us

Long-Term Treatment

Regarding developing a long-term solution, it is critical to not only understand the source, extent, and nature of the contamination, but also to understand the secondary contaminants that may be associated with xylene. For example, xylene contamination associated with gasoline stations will typically also have elevated levels of iron, manganese, heterotrophic bacteria, some salts, and other organics. Therefore, the treatment system may need to include oxidation/filtration, air stripping or Carbon Filtration, UV Disinfection, and even Reverse Osmosis. In addition, it is also advisable to remediate or mitigate the contamination event or release before implementing a long-term solution.

Recommended Long-Term Water Treatments

<div class="product-note in-L4-sulfur-treatment">Note: Use in combination with Sulfate-Reducing Bacteria Test</div>

<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>

ST-CRYS-T-02
Crystal Quest

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device) </div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration of trihalomethanes is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device)</div>
<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-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 < 1.0 mg/L (POU Device)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.07 mg/L (POU Device)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device)</div>
<div class="product-note in-L6-gross-alpha">Note: Temporary Solution: If the concentration of alpha is < 5 pCi/L (POU Device)</div>
<div class="product-note in-L6-beta-particles">Note: Temporary Solution: If the concentration is < 4 millirems/year (POU Device)</div>
<div class="product-note in-L6-radium-226-and-radium-228">Note: Temporary Solution: If combined concentration is less than 5 pCi/L and alpha, beta, and uranium are below drinking water limit (POU Device)</div>
<div class="product-note in-L6-total-dissolved-solids">Note: Consider this treatment If the problem appears to be related to a metal or hardness.</div>

ST-FILT-B-01
Filter Water

<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>

LT-CRYS-G-01
Crystal Quest

<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>

LT-CRYS-T-02
Crystal Quest

<div class="product-note in-L6-benzene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-carbon-tetrachloride">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chloroform-trichloromethane">Note: If the concentration is < 0.080 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-ethylbenzene">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-methylene-chloride-dichloromethane-dcm">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-tetrachloroethylene">Note: If the concentration is < 0.005 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trichloroethylene">Note: If the concentration is < 0.004 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-xylenes">Note: If the concentration is < 1 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-atrazine">Note: If the concentration is < 0.001 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-alachlor">Note: If the concentration is < 0.002 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-glyphosate">Note: If the concentration is < 0.7 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-2-4-d">Note: If the concentration is < 0.03 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-bis-2-ethylhexyl-phthalate">Note: If the concentration is < 0.006 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-trihalomethanes">Note: If the concentration is < 0.08 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-haloacetic-acids">Note: If the concentration is < 0.06 mg/L (POU Device System Component)</div>
<div class="product-note in-L6-chlorite">Note: If the concentration is < 0.8 mg/L (POU Device System Component)</div>

If the concentration is at or over 1 mg/L - Recommendation: Seek Advice from a Local Professional (Customized Solution). Contact Us

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