Certified Reference Material - Solids, Concentrate, potable water (PotableWatR TM) Item no. ERA-5152 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Inorganic Disinfection 2 Item no. ERA-5262 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Inorganic Disinfection 2 Item no. ERA-5262QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Inorganic Disinfection 1 Item no. ERA-5272QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Metals, potable water Item no. ERA-590 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 347 (June 9, 2025 -July 24, 2025)WS 348 (July 7, 2025 - August 21, 2025)WS 349 (August 4, 2025 - September 18, 2025)WS 350 (September 8, 2025 - October 23, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 352 (October 31, 2025 - December 15, 2025)WS 353 (December 1, 2025 - January 15, 2026)WS 354 (January 12, 2026 - February 26, 2026)WS 355 (February 9, 2026 - March 26, 2026)WS 356 (March 9, 2026 - April 23, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 358 (May 11, 2026 - June 25, 2026)WS 359 (June 8, 2026 -July 23, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 361 (August 10, 2026 - September 24, 2026)WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart All product details
Proficiency Testing - Inorganics, potable water Item no. ERA-591 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 347 (June 9, 2025 -July 24, 2025)WS 348 (July 7, 2025 - August 21, 2025)WS 349 (August 4, 2025 - September 18, 2025)WS 350 (September 8, 2025 - October 23, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 352 (October 31, 2025 - December 15, 2025)WS 353 (December 1, 2025 - January 15, 2026)WS 354 (January 12, 2026 - February 26, 2026)WS 355 (February 9, 2026 - March 26, 2026)WS 356 (March 9, 2026 - April 23, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 358 (May 11, 2026 - June 25, 2026)WS 359 (June 8, 2026 -July 23, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 361 (August 10, 2026 - September 24, 2026)WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart All product details
Certified Reference Material - Hexavalent Chromium, potable water (PotableWatR TM) Item no. ERA-658 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hexavalent Chromium, potable water (PotableWatR TM) Item no. ERA-658QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Vanadium, potable water (PotableWatR TM) Item no. ERA-660 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Vanadium, potable water (PotableWatR TM) Item no. ERA-660QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Color Item no. ERA-661 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - UV 254 Absorbance, potable water (PotableWatR TM) Item no. ERA-662 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Dioxin, potable water (PotableWatR TM) Item no. ERA-663 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chloral Hydrate, potable water (PotableWatR TM) Item no. ERA-676QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Quality Control Product -Low-Level 1,2,3-TCP Item no. ERA-682 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level 1,2,3-TCP Item no. ERA-682QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Unregulated Volatiles, potable water (PotableWatR TM) Item no. ERA-683QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Haloacetic Acids (HAA), potable water (PotableWatR TM) Item no. ERA-684QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Semivolatiles #1, potable water (PotableWatR TM) Item no. ERA-690QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Nitrite, potable water (PotableWatR TM) Item no. ERA-695QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Residual Chlorine, potable water (PotableWatR TM) Item no. ERA-696QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Metals, potable water (PotableWatR TM) Item no. ERA-697QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Inorganics, potable water (PotableWatR TM) Item no. ERA-698 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Inorganics, potable water (PotableWatR TM) Item no. ERA-698QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Turbidity, potable water (PotableWatR TM) Item no. ERA-699 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Turbidity, potable water (PotableWatR TM) Item no. ERA-699QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Toxaphene, potable water (PotableWatR TM) Item no. ERA-700 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Toxaphene, potable water (PotableWatR TM) Item no. ERA-700QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Halomethanes (THMs), potable water (PotableWatR TM) Item no. ERA-702 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Halomethanes (THMs), potable water (PotableWatR TM) Item no. ERA-702QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Regulated Volatiles, potable water (PotableWatR TM) Item no. ERA-703QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chlorinated Acid Herbicides, potable water (PotableWatR TM) Item no. ERA-704QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chlordane, potable water (PotableWatR TM) Item no. ERA-705QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - EDB/DBCP/TCP, potable water (PotableWatR TM) Item no. ERA-706QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Carbamate/Carbamoxyloxime Pesticides, potable water (PotableWatR TM) Item no. ERA-707QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs as Decachlorobiphenyl, potable water (PotableWatR TM) Item no. ERA-708QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Pesticides, potable water (PotableWatR TM) Item no. ERA-709QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - pH, potable water (PotableWatR TM) Item no. ERA-779QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Surfactants-MBAS, potable water (PotableWatR TM) Item no. ERA-784QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Silica, potable water (PotableWatR TM) Item no. ERA-785QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Color, Water Supply Item no. ERA-859C Unit 30 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 348 (July 7, 2025 - August 21, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 354 (January 12, 2026 - February 26, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 366 (January 11, 2027 - February 25, 2027)WS 369 (April 12, 2027 - May 27, 2027)WS 372 (July 12, 2027 - August 26, 2027)WS 375 (October 8, 2027 - November 22, 2027) Add to cart All product details
Proficiency Testing - Corrosivity, potable water Item no. ERA-900 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 348 (July 7, 2025 - August 21, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 354 (January 12, 2026 - February 26, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 366 (January 11, 2027 - February 25, 2027)WS 369 (April 12, 2027 - May 27, 2027)WS 372 (July 12, 2027 - August 26, 2027)WS 375 (October 8, 2027 - November 22, 2027) Add to cart All product details
Proficiency Testing - Surfactants-MBAS, potable water Item no. ERA-901 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 348 (July 7, 2025 - August 21, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 354 (January 12, 2026 - February 26, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 366 (January 11, 2027 - February 25, 2027)WS 369 (April 12, 2027 - May 27, 2027)WS 372 (July 12, 2027 - August 26, 2027)WS 375 (October 8, 2027 - November 22, 2027) Add to cart All product details
Proficiency Testing - Silica, potable water Item no. ERA-902 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 348 (July 7, 2025 - August 21, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 354 (January 12, 2026 - February 26, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 366 (January 11, 2027 - February 25, 2027)WS 369 (April 12, 2027 - May 27, 2027)WS 372 (July 12, 2027 - August 26, 2027)WS 375 (October 8, 2027 - November 22, 2027) Add to cart All product details
QuiKResponse - Gasoline Additives, potable water (PotableWatR TM) Item no. ERA-909QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Perchlorate, potable water (PotableWatR TM) Item no. ERA-910QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Uranium, potable water (PotableWatR TM) Item no. ERA-930QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Organphosphorus Pesticides (OPP) Item no. ERA-954 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Corrosivity, potable water (PotableWatR TM) Item no. ERA-980QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Cyanide, potable water (PotableWatR TM) Item no. ERA-983QR Unit each Analytes Select to compare Price on request - + Add to cart All product details