Certified Reference Material - Simple Nutrients (Soft Water), clean water (synthetic drinking water matrix) Item no. ERA-1349 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PFAS - in wastewater Item no. ERA-404QR Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Soil - 1260 High Item no. ERA-495 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Metals in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-540QR Unit each Analytes Select to compare Price on request - + 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
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
Certified Reference Material - Organophosphorus Pesticides (OPP), priority pollutant (PrPollutnT TM) Item no. ERA-665 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
Certified Reference Material - Unregulated Volatiles, potable water (PotableWatR TM) Item no. ERA-683 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 - Regulated Volatiles, potable water (PotableWatR TM) Item no. ERA-703 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Chlorinated Acid Herbicides, potable water (PotableWatR TM) Item no. ERA-704 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Organochlorine Pesticides, priority pollutant (PriorityPollutnT TM) Item no. ERA-713 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Organochlorine Pesticides, priority pollutant (PriorityPollutnT TM) Item no. ERA-713QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Toxaphene, priority pollutant (PriorityPollutnT TM) Item no. ERA-717 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Chlorinated Acid Herbicides in Soil, priority pollutant (PrPollutnT TM) Item no. ERA-723 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chlorinated Acid Herbicides in Soil, priority pollutant (PrPollutnT TM) Item no. ERA-723QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Toxaphene in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-724QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Chlordane in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-725 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chlordane in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-725QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-726 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Base/Neutrals & Acids in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-727 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - TCLP Volatiles Item no. ERA-730 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - TCLP Organochlorine Pesticides Item no. ERA-732 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Water, priority pollutant (PriorityPollutnT TM) (1) Item no. ERA-734S Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - TCLP Semivolatiles Item no. ERA-737 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Diesel Range Organics (DRO) in Soil Item no. ERA-765QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Texas Low-Level Fuels (TPH) in Water Item no. ERA-794QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Texas High-Level Fuels (TPH) in Water Item no. ERA-795QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Chlorinated Acid Herbicides, priority pollutant Item no. ERA-829 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025)WP 360 (January 21, 2025 - March 7, 2025)WP 361 (February 17, 2025 - April 3, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 364 (May 12, 2025 - June 26, 2025)WP 365 (June 16, 2025 - July 31, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 367 (August 11, 2025 - September 25, 2025)WP 368 (September 15, 2025 - October 30, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 370 (November 3, 2025 - December 18, 2025)WP 371 (December 8, 2025 - January 22, 2026) Add to cart All product details
Proficiency Testing - PCBs in Oil (1), priority pollutant Item no. ERA-835S Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025)WP 360 (January 21, 2025 - March 7, 2025)WP 361 (February 17, 2025 - April 3, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 364 (May 12, 2025 - June 26, 2025)WP 365 (June 16, 2025 - July 31, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 367 (August 11, 2025 - September 25, 2025)WP 368 (September 15, 2025 - October 30, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 370 (November 3, 2025 - December 18, 2025)WP 371 (December 8, 2025 - January 22, 2026) Add to cart All product details
Proficiency Testing - Unregulated Volatiles, potable water Item no. ERA-841 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 339 (October 4, 2024 - November 18, 2024)WS 340 (November 4, 2024 - December 19, 2024)WS 341 (December 2, 2024 - January 16, 2025)WS 342 (January 13, 2025 - February 27, 2025)WS 343 (February 10, 2025 - March 27, 2025)WS 344 (March 3, 2025 - April 17, 2025)WS 345 (April 7, 2025 - May 22, 2025)WS 346 (May 5, 2025 - June 19 ,2025)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) Add to cart All product details
Proficiency Testing - Toxaphene, potable water Item no. ERA-844 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 339 (October 4, 2024 - November 18, 2024)WS 340 (November 4, 2024 - December 19, 2024)WS 341 (December 2, 2024 - January 16, 2025)WS 342 (January 13, 2025 - February 27, 2025)WS 343 (February 10, 2025 - March 27, 2025)WS 344 (March 3, 2025 - April 17, 2025)WS 345 (April 7, 2025 - May 22, 2025)WS 346 (May 5, 2025 - June 19 ,2025)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) Add to cart All product details
Proficiency Testing - Dioxin, potable water Item no. ERA-857 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 339 (October 4, 2024 - November 18, 2024)WS 342 (January 13, 2025 - February 27, 2025)WS 345 (April 7, 2025 - May 22, 2025)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 - Uranium, potable water Item no. ERA-858 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 339 (October 4, 2024 - November 18, 2024)WS 342 (January 13, 2025 - February 27, 2025)WS 345 (April 7, 2025 - May 22, 2025)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 - Nitroaromatics & Nitramines in Soil, priority pollutant Item no. ERA-871 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 128 (October 18, 2024 - December 2, 2024)SOIL 129 (January 27, 2025 - March 13, 2025)SOIL 130 (April 21, 2025 - June 5, 2025)SOIL 131 (July 21, 2025 - September 4, 2025)SOIL 132 (October 17, 2025 - December 1, 2025)SOIL 133 (January 26, 2026 - March 12, 2026)SOIL 134 (April 27, 2026 - June 11, 2026)SOIL 135 (July 27, 2026 - September 10, 2026)SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart All product details
Proficiency Testing - Anions in Soil, priority pollutant Item no. ERA-873 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 128 (October 18, 2024 - December 2, 2024)SOIL 129 (January 27, 2025 - March 13, 2025)SOIL 130 (April 21, 2025 - June 5, 2025)SOIL 131 (July 21, 2025 - September 4, 2025)SOIL 132 (October 17, 2025 - December 1, 2025)SOIL 133 (January 26, 2026 - March 12, 2026)SOIL 134 (April 27, 2026 - June 11, 2026)SOIL 135 (July 27, 2026 - September 10, 2026)SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart All product details
Proficiency Testing - Carbamate Pesticides in Soil, priority pollutant Item no. ERA-879 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 128 (October 18, 2024 - December 2, 2024)SOIL 129 (January 27, 2025 - March 13, 2025)SOIL 130 (April 21, 2025 - June 5, 2025)SOIL 131 (July 21, 2025 - September 4, 2025)SOIL 132 (October 17, 2025 - December 1, 2025)SOIL 133 (January 26, 2026 - March 12, 2026)SOIL 134 (April 27, 2026 - June 11, 2026)SOIL 135 (July 27, 2026 - September 10, 2026)SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart All product details
Proficiency Testing - Nitrite, waste water Item no. ERA-888 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025)WP 360 (January 21, 2025 - March 7, 2025)WP 361 (February 17, 2025 - April 3, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 364 (May 12, 2025 - June 26, 2025)WP 365 (June 16, 2025 - July 31, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 367 (August 11, 2025 - September 25, 2025)WP 368 (September 15, 2025 - October 30, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 370 (November 3, 2025 - December 18, 2025)WP 371 (December 8, 2025 - January 22, 2026) Add to cart All product details
Proficiency Testing - Silica, waste water Item no. ERA-890 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 360 (January 21, 2025 - March 7, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 369 (October 10, 2025 - November 24, 2025) Add to cart All product details
Proficiency Testing - Surfactants-MBAS, waste water Item no. ERA-892 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 360 (January 21, 2025 - March 7, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 368 (September 15, 2025 - October 30, 2025)WP 369 (October 10, 2025 - November 24, 2025) Add to cart All product details
Proficiency Testing - Total Organic Halides (TOX), waste water Item no. ERA-895 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 360 (January 21, 2025 - March 7, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 369 (October 10, 2025 - November 24, 2025) Add to cart All product details
QuiKResponse - Volatile Solids, waste water (WasteWatR TM) Item no. ERA-913QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Corrosivity/pH in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-914 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Ready-to-Use VOAs in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-924 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Organophosphorus Pesticide (OPP) Soil, priority pollutant (PrPollutnT TM) Item no. ERA-925 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Low-Level Mercury, waste water (WasteWatR TM) Item no. ERA-931 Unit each Analytes Select to compare Price on request - + Add to cart All product details