Proficiency Testing - PFAS - Non-Potable Water Item no. ERA-599 Unit 2 mL (ampoule) 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 - PFAS in Soil Item no. ERA-603QR Unit 10 g 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
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 - Mercury, potable water (PotableWatR TM) Item no. ERA-666 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - o-Phosphate Nutrients, potable water (PotableWatR TM) Item no. ERA-667 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Chloral Hydrate, potable water (PotableWatR TM) Item no. ERA-676 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Low-Level Nitroaromatics & Nitramines, priority pollutant (PrPollutnT TM) Item no. ERA-677 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Residual Chlorine, potable water (PotableWatR TM) Item no. ERA-696 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 - 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 - 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 - Chlordane, potable water (PotableWatR TM) Item no. ERA-705 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - EDB/DBCP/TCP, potable water (PotableWatR TM) Item no. ERA-706 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs as Decachlorobiphenyl, potable water (PotableWatR TM) Item no. ERA-708 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Pesticides, potable water (PotableWatR TM) Item no. ERA-709 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Volatiles, priority pollutant (PriorityPollutnT TM) Item no. ERA-710 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Volatiles, PriorityPollutnT? Item no. ERA-710QR 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 - Chlordane, priority pollutant (PriorityPollutnT TM) Item no. ERA-716 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
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
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 - 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 - Organochlorine Pesticides in Soil, priority pollutant (PrPollutnT TM) Item no. ERA-728 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs in Oil, priority pollutant (PriorityPollutnT TM) (1) Item no. ERA-729SQR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs in Water, priority pollutant (PriorityPollutnT TM) (1) Item no. ERA-734SQR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - BTEX & MTBE in Water Item no. ERA-760QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Gasoline Range Organics (GRO) in Water Item no. ERA-762QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Gasoline Range Organics (GRO) in Soil Item no. ERA-763QR 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 - Bromide, waste water (WasteWatR TM) Item no. ERA-769QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Surfactants-MBAS, waste water (WasteWatR TM) Item no. ERA-776QR 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
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
QuiKResponse - Texas Low-Level Fuels (TPH) in Soil Item no. ERA-796QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Texas High-Level Fuels (TPH) in Soil Item no. ERA-797QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Volatiles, priority pollutant Item no. ERA-830 Unit 2 mL 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 - Organochlorine Pesticides, priority pollutant Item no. ERA-831 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 as Decachlorobiphenyl Item no. ERA-839 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 - Regulated Volatiles, potable water Item no. ERA-840 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 - Semivolatiles #2 Herbicides Item no. ERA-849 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 - Pesticides, (PotableWatR TM), potable water Item no. ERA-850 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 - Hexavalent Chromium, potable water Item no. ERA-854 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
Certified Reference Material - Acidity, waste water Item no. ERA-915 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Low-Level Total Residual Chlorine Item no. ERA-917 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