Proficiency Testing - Semivolatiles on Polyurethane foam (Pair) Item no. ERA-1010 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - PAHs on Polyurethane foam Item no. ERA-1013 Unit 2 mL plus polyurethane foam (PUF) Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Aldehydes & Ketones on Sorbent Item no. ERA-1014 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Metals on Filter Paper Item no. ERA-1025 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Mercury in Impinger Solution Item no. ERA-1028 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Lead on Filter Paper Item no. ERA-1029 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
QuiKResponse - Chromium on Filter Paper Item no. ERA-1131QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Sulfuric Acid & Sulfur Dioxide in Impinger Solution Item no. ERA-1144 Unit 15 mL Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Demand, clean water (synthetic drinking water matrix) Item no. ERA-1354 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - High Solids, clean water (synthetic drinking water matrix) Item no. ERA-1355 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Oxygen, dissolved in water Item no. ERA-213 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Oxygen, dissolved in water Item no. ERA-213QR Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - 1,4-Dioxane Item no. ERA-272 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 336 (July 8, 2024 - August 22, 2024)WS 342 (January 13, 2025 - February 27, 2025)WS 348 (July 7, 2025 - August 21, 2025) Add to cart All product details
QuiKResponse - Glycols in Water Item no. ERA-401QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Solids, Concentrate, waste water (WasteWatR TM) Item no. ERA-4032QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PFAS - in wastewater Item no. ERA-404 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Oil & Grease Concentrate, waste water (WasteWatR TM) Item no. ERA-4122QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Volatile Aromatics Item no. ERA-4452QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Texas Low-Level Fuels (TPH) in Water Item no. ERA-476 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 354 (July 15, 2024 - August 29, 2024)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 - Texas High-Level Fuels (TPH) in Water Item no. ERA-477 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 353 (June 10, 2024 - July 25, 2024)WP 354 (July 15, 2024 - August 29, 2024)WP 355 (August 12, 2024 - September 26, 2024)WP 356 (September 9, 2024 - October 24, 2024)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
Certified Reference Material - Lithium Item no. ERA-4992 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Solids, waste water (WasteWatR TM) Item no. ERA-499QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Mercury, waste water (WasteWatR TM) Item no. ERA-514QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
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
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
Certified Reference Material - Demand, waste water (WasteWatR TM) Item no. ERA-516 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Tin & Titanium, waste water (WasteWatR TM) Item no. ERA-517 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
Certified Reference Material - HEM / SGT-HEM, waste water (WasteWatR TM) Item no. ERA-519 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 - Inorganic Disinfection 1 Item no. ERA-5272QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Inorganics PT (Extra Volume) Item no. ERA-528 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Total Phenolics (4-AAP), WS QR Item no. ERA-535QR Unit 2 mL Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - 1,4-Dioxane Item no. ERA-538 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - 1,4-Dioxane Item no. ERA-538QR Unit 2 mL (ampoule) Analytes Select to compare Price on request - + 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
Proficiency Testing - Oil & Grease, waste water Item no. ERA-582 Unit 1 L Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 353 (June 10, 2024 - July 25, 2024)WP 354 (July 15, 2024 - August 29, 2024)WP 355 (August 12, 2024 - September 26, 2024)WP 356 (September 9, 2024 - October 24, 2024)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 - Simple Nutrients, waste water Item no. ERA-584 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 353 (June 10, 2024 - July 25, 2024)WP 354 (July 15, 2024 - August 29, 2024)WP 355 (August 12, 2024 - September 26, 2024)WP 356 (September 9, 2024 - October 24, 2024)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 - 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 354 (July 15, 2024 - August 29, 2024)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 - TPH in Water, QuiK Item no. ERA-602QR Unit each 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 127 (July 22, 2024 - September 5, 2024)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 - 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 127 (July 22, 2024 - September 5, 2024)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 - 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 127 (July 22, 2024 - September 5, 2024)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
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 - 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