Find LT2 Testing Laboratories in Your Area

When it comes to LT2 testing, get it right the first time! Insist that your lab or testing supplier use the safest and most accurate testing device – the Envirochek® capsule from Pall Life Sciences. The disposable Envirochek HV capsule is designed to prevent cross-contamination, ensuring the most accurate test results and a treatment plan that’s right for you.

The Envirochek is the original filter validated for US EPA methods 1622 and 1623 for the concentration of Cryptosporidium and Giardia in source waters. Each Envirochek HV filter is integrity tested to assure accuracy in performance and prevent the need to resample. Because of its reliability, many labs conduct Cryptosporidium testing with Envirochek capsules. Read more about Envirochek capsules.

Review the list below to find testing laboratories that use Envirochek capsules. Pall will continue to add facilities to this list. To add your testing lab to this list, email us a

Right: Immunofluorescence image of Cryptosporidium parvum oocysts, purified from murine fecal material. Oocysts were stained with commercially available immunofluorescent antibodies. Oocysts should have an intense apple green fluorescence on the periphery of their oocyst wall, and measure 4 to 6 microns in diameter. Scale bar is 10 microns. Photo Credit: H.D.A Lindquist, U.S. EPA.

Find LT2 Testing Labs That Use Envirochek Capsules*

Laboratories are listed in alphabetical order.

Analytical Services, Inc.

ASI is a full service environmental microbiology laboratory that provides testing, consulting and research services to clients throughout the U.S. and internationally. ASI is USEPA approved for Cryptosporidium testing under the LT2 Lab QA Program and is also NELAP accredited for Method 1623 for potable and non-potable water samples through the Florida Dept. of Health. ASI recently participated in the EPA validation of Method 1623.1, as we did previously for Method 1623 (Giardia and Cryptosporidium) and Method 1622 (Cryptosporidium). ASI has provided LT2 compliant testing since 2001 and also has considerable experience in performing Method 1623 in non-routine samples, including seasonally difficult water matrices, stormwater, urban canal water and sediment samples, reclaimed water, etc. In addition to Cryptosporidium, ASI routinely analyzes samples for a wide variety of pathogens and indicators, including algae, bacteria, fungi, viruses, etc., using traditional and molecular techniques. Contact us at telephone: (800) 723-4432 x15.


BCS Laboratories, Inc.

BCS Laboratories, Inc.- Gainesville is an EPA certified LT2 laboratory and can accept either 10 L or 50 L water samples for analysis mandated by the EPA LT2ESWTR. Our laboratory is completely equipped for environmental virology and parasitology and routinely performs EPA Method 1623 analysis of Cryptosporidium and Giardia.


BioVir Laboratories

BioVir is an EPA approved Method 1622/1623 Cryptosporidium and Giardia testing laboratory. As the developer of the Fluorescent Assay for Giardia over 20 years ago, BioVir now provides complete environmental microbiological testing services to Clients worldwide.  In-house testing services also include R&D challenge testing.



CH Diagnostic & Consulting Service, Inc.

CH Diagnostic & Consulting Service, Inc. is a Colorado-based water-quality consulting firm dedicated to providing excellent customer service for water treatment professionals, researchers, regulators, and homeowners. Our trained staff of professionals is committed to proficient detection, identification, and enumeration of Giardia, Cryptosporidium, algae, aquatic macroinvertebrates, and other water-borne microbiota. Thank you for inquiring. For a price quote, please feel free to contact us at phone: (970) 532-2078.


Clancy Environmental Consultants, Inc. (CEC)

Clancy Environmental Consultants, Inc. (CEC) is a Vermont-based woman owned consulting, research, and testing business. CEC scientists worked with the USEPA to develop Methods 1622 (Cryptosporidium) and 1623 (Cryptosporidium and Giardia) and continue to be leaders in analytical microbiological methods development for water. CEC is an EPA-approved laboratory for LT2 testing. Please visit our website to learn more about our capabilities or call us at (802) 527-2460.

Epcor Water Laboratory

EPCOR's Water Laboratory with its highly trained professional staff provides analytical services for a wide range of parameters of interest to both users and suppliers of drinking water. One of the first laboratories in Canada to initiate parasite testing, we have been routinely analyzing raw and treated water samples for Cryptosporidium and Giardia since 1995 using the ICR method and later Method 1623. Our laboratory is accreditied by the USEPA as well as the Standards Council of Canada, in co-operation with CAEAL. For further information contact us at telephone: 780-412-3526.

EMSL Analytical, Inc.

EMSL Analytical, Inc. is a full service aquatic and environmental microbiology laboratory with 35+ Locations throughout the United States and Canada. EMSL Analytical’s corporate laboratory in Cinnaminson, NJ is NJDEP certified and LT2 approved for USEPA Method 1623.1 for the detection and enumeration of Cryptosporidium and Giardia. EMSL Analytical's lab may be used by public water systems (PWSs) complying with the Long Term 2 Enhanced Surface Water Treatment Rule. In addition, EMSL provides testing services for algae, diatoms, phytoplankton, periphyton, invertebrates, chlorophylls, biovolume, ash free dry weight, identification of aquatic plants, fish, animals, insects and feces by DNA testing, legionella, total coliforms, fecal coliforms, e. coli, HPC, sewage contamination, bacteriodes, algal toxins, bacterial abundance, particulate identification, taste & odor, diversity indices and bioaccumulation & growth studies. Contact us toll free at: 1-800-220-3675.

Underwriters Laboratories Inc.

South Bend, Indiana
The principal focus of Underwriters Laboratories Inc.'s (UL) Drinking Water Laboratory is to provide analyses of drinking and other clean water samples. Our laboratory is specifically equipped and staffed to provide the analytical services required by the drinking water industry. Voice: 574-233-4777. Fax: 574-233-8207. Contacts: Dan Klaybor or Nathan Trowbridge. 

*Note: Links to third-party web sites are provided solely as a convenience to you. Pall does not endorse these sites and is not responsible for the content of any third-party web site.