QuiKResponse - Lithium Item no. ERA-4992QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Total Residual Chlorine, waste water (WasteWatR TM) Item no. ERA-501QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Cyanide, waste water (WasteWatR TM) Item no. ERA-502QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Simple Nutrients, waste water (WasteWatR TM) Item no. ERA-505QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Minerals, waste water (WasteWatR TM) Item no. ERA-506QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hardness, waste water (WasteWatR TM) Item no. ERA-507QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Solids, Concentrate, potable water (PotableWatR TM) Item no. ERA-5152QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Total Phenolics (4-AAP), waste water (WasteWatR TM) Item no. ERA-515QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Demand, waste water (WasteWatR TM) Item no. ERA-516QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Tin & Titanium, waste water (WasteWatR TM) Item no. ERA-517QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - 1 liter Oil & Grease, waste water (WasteWatR TM) Item no. ERA-518QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - HEM / SGT-HEM, waste water (WasteWatR TM) Item no. ERA-519QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Complex Nutrients, waste water (WasteWatR TM) Item no. ERA-525QR 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
QuiKResponse - Sulfite Item no. ERA-534QR Unit 10 mL Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - TCLP Metals in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-544QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Oil & Grease (O&G) in Soil Item no. ERA-549QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - EDB/DBCP/TCP Item no. ERA-562 Unit 2 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 363 (April 14, 2025 - May 29, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
QuiKResponse - New Jersey EPH in Soil Item no. ERA-564QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Massachusetts VPH in Water Item no. ERA-566QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Massachusetts EPH in Water Item no. ERA-567QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Massachusetts VPH in Soil Item no. ERA-568QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - TPH in Soil, QuiK Item no. ERA-572QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Simple Nutrients, waste water Item no. ERA-584 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart All product details
Proficiency Testing - Total Residual Chlorine, waste water Item no. ERA-587 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart All product details
Proficiency Testing - Total Cyanide, waste water Item no. ERA-588 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart All product details
Proficiency Testing - Total Phenolics (4-AAP), waste water Item no. ERA-589 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 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 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)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 - Nitrite, potable water Item no. ERA-594 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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)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
QuiKResponse - TPH in Water, QuiK Item no. ERA-602QR Unit each Analytes Select to compare Price on request - + 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
Proficiency Testing - PCBs in Soil, priority pollutant Item no. ERA-624 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Chlorinated Acid Herbicides in Soil, priority pollutant Item no. ERA-626 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Toxaphene in Soil, priority pollutant Item no. ERA-627 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Chlordane in Soil, priority pollutant Item no. ERA-628 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - TCLP Metals in Soil, priority pollutant Item no. ERA-629 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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
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 - 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 - 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 - 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 - 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
Certified Reference Material - Semivolatiles #2 Herbicides potable water (PotableWatR TM) Item no. ERA-691 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Nitrite, potable water (PotableWatR TM) Item no. ERA-695 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
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