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Reducing the Risk of Legionnaires Disease in Hotels

Thursday, July 18, 2019Access Analytical

During the past several years there has been an increased focus on the need to monitor health and long term care facilities for Legionella contamination.  However, it is important to remember that any building with a complex water system can harbor this persistent bacteria.  Hotels in particular are at risk because they have complex systems and they often house guests for multiple days who shower and regularly use water.

Dan Broder with IDEXX laboratories has written an informative article that appeared in Lodging magazine.  The article outlines methods for reducing the risk of Legionnaires disease at a hotel facility.  Please see below

Five Ways to Reduce Legionnaires’ Disease Risk in Hotels 

By  Dan Broder, PhD   
February 27, 2018 

As cases of Legionnaires’ disease increase, reducing risk in hotel water systems is a priority for keeping guests safe. Luckily, nine out of 10 Legionnaires’ disease cases are preventable. Below are five simple ways to reduce the risk of a Legionnaires outbreak at a hotel. 

1. Test the hotel’s water management plan. 

To validate the effectiveness of a hotel’s water management plan, test it routinely. With ANSI/ASHRAE Standard 188-2015, Legionella water management programs are now an industry standard for large buildings in the United States. Maintenance, renovations, and service interruptions can cause particularly hazardous conditions. Routine testing for Legionella pneumophila is the only way to determine if a water management plan is working. According to the Occupational Safety and Health Administration (OSHA), “water sampling is critical to determining whether Legionnaires’ disease bacteria are present and at what levels. 

2. Request a test for Legionella pneumophila.  

A single species of Legionella bacteria, Legionella pneumophila is the primary cause of Legionnaires’ disease. This species is responsible for 99 percent of the outbreaks tracked by the Centers for Disease Control and Prevention (CDC). World Health Organization (WHO) advisors also recommend testing for Legionella pneumophila, “not Legionella species, since this genus contains many species that do not cause illness.” By detecting Legionella pneumophila, hotels and water treaters can then respond appropriately. 

3. Rely on a culture test.  

Culture tests are the only reliable source of accurate quantification of Legionella. Polymerase chain reaction (PCR) and direct fluorescent antibody (DFA) tests do not discriminate between live Legionella and bacteria that have already been controlled and are not a threat to people. Lateral flow antibody “field tests” only detect a single serotype of all possible Legionella pneumophila and have high false-negative results, often missing the pathogen completely. Tests should provide a confirmed culture result for all serogroups of L. pneumophila. 

4. Make sure results are accurate and reproducible.  

Routine testing for Legionella pneumophila is the best way to ensure water management plan is effective so swift action can be taken if needed. The Legiolert Test, for example, has been shown to deliver confirmed results in seven days, significantly faster than the 10 to 14 days for traditional culture tests. Unlike traditional plate methods, which require subjective counts of colonies on Petri plates, the Legiolert Test’s results are 99 percent repeatable and reproducible, according to data from IDEXX Laboratories. Consistent data helps hotels make high stakes decisions on potential water quality issues. 

5. Choose an accredited laboratory. 

ANSI/ASHRAE Standard 188-2015 recommends using “a laboratory with demonstrated proficiency in the subject method, such as may be evidenced by certification by a national, regional, or local government agency or by an accredited non-governmental organization.” Laboratories that perform Legionella pneumophila testing with a method that is part of their accreditation and quality system demonstrate that their testing is performed at the highest level of quality. Accreditation also affords the best legal protection if testing results ever come under question. 

About the Author - Dan Broder, Ph.D. is a lead scientist at IDEXX Laboratories

Legionella...How Much Is Too Much??

Thursday, May 23, 2019Access Analytical

There are some questions that inevitably come up when testing both potable and non-potable water samples for Legionella.....It usually starts off with, "I got my test results back and there is Legionella present!"  And is followed up with,  "Is this bad?  How much is too much?  What do I need to do?"  

All of those are very good questions and sometimes the answers are a bit hard to come by.  In order to address these questions one has to look to the currently established OSHA guidelines for help.  Note that I said guidelines, not law, there is a major difference.  The only state that has established laws in place regarding Legionella contamination is the state of New York, every other state currently follows OSHA guidelines or may have established their own limits in a few cases.

According to OSHA the following limits should be used a guide for deciding on further action:

COLONY FORMING UNITS (CFU) OF LEGIONELLA PNEUMOPHILA PER 100 MILLILITERS OF SAMPLE 
                    Action                     
      Cooling Tower Water     
       Domestic Water           
  Humidifier / Vaporizer Water  
 1
10,000 
1,000 
100 
 2
100,000 
10,000 
1,000 

Action 1:  Prompt cleaning and/or biocide treatment of the system.
Action 2:  Immediate cleaning and/or biocide treatment.  Take prompt steps to prevent employee exposure.

*Note that Access Analytical reports results to 1 CFU per 100mls of sample as listed above.  Other labs 
may express results in different units of measurement.  

Mercury in the Environment

Wednesday, April 24, 2019Access Analytical

excerpt from SCDHEC article

Mercury is a naturally occurring element that is found in air, water and soil. Mercury exists in several forms: elemental (metallic); inorganic; and organic. Mercury cannot be created or destroyed. Some forms of mercury are more dangerous than others, but all are toxic. Exposure to mercury - even small amounts - may cause serious health problems.  

Mercury is released into the environment from many sources. Mercury becomes airborne when rocks erode, volcanoes erupt and soil decomposes. It then circulates in the atmosphere and is redistributed throughout the environment. Human activities, such as burning coal, oil and natural gas, burning household trash and mining, add mercury to the environment. Once in the air, mercury falls to the ground with rain and snow, landing on soil or water bodies and causing contamination. Many common products that we use every day contain mercury and may contaminate the environment when they are disposed of in trash, burned or poured down a drain.  Mercury also may enter water bodies through a direct release of industrial waste or municipal sewage. Mercury may enter the air when products containing mercury break and release vapors. 

Coal-burning power plants are the largest human-caused source of mercury emissions to the air in the United States. Nationwide, they account for more than 40 percent of human-caused emissions according to the U.S. Environmental Protection Agency. There are 5 coal-burning power plants in South Carolina that emit mercury. Another 219 Title V (major source) facilities also emit mercury.  Mercury also can be released into the environment when older vehicles are crushed, shredded or melted in steel furnaces. The mercury is from hood and trunk light switches. Vehicles manufactured after 2003 do not contain mercury switches. Mercury emissions from steel furnaces, thought to result primarily from these mercury switches, are more than 10 percent of the total mercury emissions in the nation.  

Please contact us if you have questions or concerns regarding Mercury contamination at your location.

PFAS

Wednesday, March 06, 2019Access Analytical

What is PFAS—and Why Should You Care? (the following is an excerpt from a story found in the EPA online website, a link to the full article is included at the end of this post)

Doctors and health gurus are always telling us to drink more water for our health—but what if that water is contaminated by a potentially toxic chemical?  In 2016, dozens of communities across the country were hit with unsettling news: PFASs had been found in their drinking water.  A study of groundwater across the country found these chemicals in drinking water in 27 states, impacting 6 million Americans. Many of these communities are near military bases, airports, and industrial sites.  If you are in one of the affected areas, how concerned should you be?  Here's what we do—and don't—know about these unfamiliar substances lurking in the water.

P-What?  So, what's a PFAS? 

PFAS is an abbreviation for per- and polyfluoroalkyl substances, and it's not just a single chemical.  PFASs encompass a whole family of manmade chemicals that contain a carbon and fluorine atom backbone. There are hundreds of known PFAS compounds with varying functional groups, which can include other elements such as oxygen, hydrogen, or sulfur.  PFAS compounds came into common use in the 1950s and '60s and are now used in hundreds of industrial processes and consumer products. They are considered useful because they are resistant to heat, water, and oil.  Consumers may be exposed to PFASs in non-stick cookware, grease-resistant paper, fast food wrappers, microwave popcorn bags, stain-resistant carpets and fabrics, water-resistant clothing, cleaning products, and personal care products.  PFASs are also used in industrial processes and, notably, in firefighting foams. PFASs are a component of many of the firefighting foams used by the military, airport authorities, and local fire and rescue agencies. It is these foams that are most often implicated when PFAS is found in groundwater or in the environment.  The problem is that PFAS chemicals do not occur in nature, and some of them take a very long time to break down in the environment. Our bodies don't do a good job of breaking them down, either, so they have the potential to build up in the organs and tissues of humans and animals.  


We feel that PFAS contamination is an emerging concern that those in the water industry will be hearing much more about in the coming months and years.  Please note that Access Analytical will be happy to assist you with any PFAS testing requirements you might have.  If you need to collect samples please contact our office at:  info@axs-inc.com or at 803-781-4243.


Access now offers online payment options to clients

Wednesday, January 23, 2019Access Analytical

Customers asked and we listened! 

Access Analytical is pleased to announce the implementation of online bill payment options for invoices.  Any Access Analytical invoices received via email from today forward will include a clickable payment link.  Clicking on this link will take you to a payment screen in which credit card or bank routing information can be entered and payment made via secure server.  Clients also have the option of saving this information to make future payments faster and more convenient.  We accept payment from all major credit cards as well as via bank transfer.  We hope you will find this to be a useful feature that saves time and makes payment easier than ever!  

Please contact us at 803-781-4243 if you have any questions at all.

Access adds Legionella Testing to in-house capabilities

Thursday, December 07, 2017Access Analytical

Legionella is a type of bacterium found naturally in freshwater environments such as lakes and streams.  Legionella can become a health concern when it grows and spreads in human-made and/or potable water systems.   The Legionella bacterium can cause Legionnaires’ disease or a less serious illness known as Pontiac fever.  These illnesses are collectively known as legionellosis. 

Access Analytical utilizes the IDEXX laboratories Legiolert test method to rapidly detect Legionella in both potable and non-potable water samples.  This method is applicable for use in routine monitoring of health care facilities.   Please contact Access Analytical  if you have questions about setting up a preventative testing program at your facility.  


Access HAS Moved!

Friday, August 18, 2017Access Analytical

Please note that Access Analytical has now completed the move to our new location.  The Lexington and original Irmo offices are now combined and located at 15 Thames Valley Rd. in Irmo.

Please take a moment and stop by to see our new facility!!

Access is moving!

Monday, February 20, 2017Access Analytical

Everyone at Access Analytical is excited about the upcoming move to our new lab facility.  Work is underway right now on renovations which are expected to be complete by April of 2017.  Once completed the current Irmo and Lexington offices will be moving to our new location at 15 Thames Valley Rd. in Irmo, SC.  The move will allow us to consolidate our two smaller facilities and work much more efficiently out of one location.

We will have more details to in the coming weeks.  We look forward to inviting all clients to come see our new facility!  


Access works with WISTV

Friday, January 20, 2017Access Analytical

Access Analytical is proud to support local news channel WISTV 10 with their story regarding dirty drinking water.  This story outlines problems with excessive amounts of Iron and elevated turbidity levels  that have recently been occurring with several local municipalities.   You can view the story on the channel 10 website at the following link:   www.wistv.com/story/34155521/sumter-residents-concerned-about-yellow-water

   

Access Analytical teams with WLTX News

Tuesday, November 10, 2015Access Analytical

Access Analytical has teamed up with WLTX channel 19 news to provide a series of stories regarding water quality in the area. The first story regarding drinking water quality aired in October and the next story will be airing in mid-November 2015. The focus of the second story will be on the potential issues related to standing water on our around your property. Samples were collected from puddles and flowing water sources and analyzed for Fecal Coliform content in order to assess the quality of this water. The results of this testing can be seen on the WLTX channel 19 news and on their website at www.wltx.com.