ASTM D4815/D5599 1,2-Dimethoxyethane IS Item no. DRE-GS09010060 Unit 5 x 2 mL Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Metals in Impinger Solution Item no. ERA-1026 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
Proficiency Testing - Fluoride in Impinger Solution Item no. ERA-1041 Unit One impinger solution Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
QuiKResponse - PCBs on Polyurethane foam Item no. ERA-1112QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Oxygen, dissolved in water Item no. ERA-212 Unit 500 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) 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
Proficiency Testing, PCB Congeners in Wastewater, WP PT Item no. ERA-2685 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Glycols in Water Item no. ERA-271 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing, PCB Congeners in Soil, Soil PT Item no. ERA-2994 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Solids, Concentrate, waste water (WasteWatR TM) Item no. ERA-4032 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Oil & Grease Concentrate, waste water Item no. ERA-4120 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Volatile Aromatics Item no. ERA-4450 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Glycols in Soil Item no. ERA-463 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - New Jersey EPH in Soil Item no. ERA-464 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart All product details
Proficiency Testing - Massachusetts VPH in Water Item no. ERA-481 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Massachusetts VPH in Soil Item no. ERA-483 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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
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 - 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
Minerals PT (Extra Volume) Item no. ERA-526 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCB Congeners in Wastewater, WP QR Item no. ERA-5370QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - New Jersey EPH in Soil Item no. ERA-564 Unit each 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
Certified Reference Material - Massachusetts VPH in Water Item no. ERA-566 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
Certified Reference Material - Massachusetts VPH in Soil Item no. ERA-568 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
Proficiency Testing - Minerals, waste water Item no. ERA-581 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 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
QuiKResponse - PCB Congeners in Soil, Soil QR Item no. ERA-5988QR Unit each Analytes Select to compare Price on request - + 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 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 - BTEX & MTBE in Water Item no. ERA-643 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Wisconsin Gasoline Range Org (GRO/PVOC) in Water Item no. ERA-649 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) 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 - 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
QuiKResponse - TCLP Volatiles Item no. ERA-730QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - TCLP Organochlorine Pesticides Item no. ERA-732QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - TCLP Semivolatiles Item no. ERA-737QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - BTEX & MTBE in Water Item no. ERA-760 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
Certified Reference Material - Wisconsin Gasoline Range Org (GRO/PVOC) Water Item no. ERA-773 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Wisconsin Gasoline Range Org (GRO/PVOC) Water Item no. ERA-773QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Silica, potable water (PotableWatR TM) Item no. ERA-785 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 - Regulated Volatiles, potable water Item no. ERA-840 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Hexavalent Chromium, waste water Item no. ERA-898 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Organphosphorus Pesticides (OPP) Item no. ERA-954 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Ignitability/Flash Point, priority pollutant (PriorityPollutnT TM) Item no. ERA-979 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Corrosivity, potable water (PotableWatR TM) Item no. ERA-980 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Cyanide, potable water (PotableWatR TM) Item no. ERA-983 Unit 15 mL Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Hexavalent Chromium, waste water (WasteWatR TM) Item no. ERA-984 Unit each Analytes Select to compare Price on request - + Add to cart All product details