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 134 (April 27, 2026 - June 11, 2026)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
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 - TCLP Volatiles Item no. ERA-730QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Semivolatiles #1, potable water Item no. ERA-848 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Semivolatiles #2 Herbicides Item no. ERA-849 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - 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 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 - Chlorinated Acid Herbicides, potable water Item no. ERA-851 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Haloacetic Acids (HAA), potable water Item no. ERA-852 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Chloral Hydrate, potable water Item no. ERA-853 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 354 (January 12, 2026 - February 26, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 366 (January 11, 2027 - February 25, 2027)WS 372 (July 12, 2027 - August 26, 2027) 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 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 - PCBs in Water - 1016 Item no. ERA-860 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBS in Water - 1221 Item no. ERA-861 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Water - 1232 Item no. ERA-862 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Water - 1242 Item no. ERA-863 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Water - 1248 Item no. ERA-864 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Low-Level Mercury, waste water Item no. ERA-896 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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
Proficiency Testing - Carbamate Pesticides, priority pollutant Item no. ERA-899 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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
Proficiency Testing - Corrosivity, potable water Item no. ERA-900 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Silica, potable water Item no. ERA-902 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Perchlorate, potable water Item no. ERA-903 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - UV 254 Absorbance, potable water Item no. ERA-904 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - Gasoline Additives, potable water Item no. ERA-905 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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
QuiKResponse - Carbamate Pesticides, priority pollutant (PriorityPollutnT TM) Item no. ERA-908QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Gasoline Additives, potable water (PotableWatR TM) Item no. ERA-909QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Perchlorate, potable water (PotableWatR TM) Item no. ERA-910QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Settleable Solids, waste water (WasteWatR TM) Item no. ERA-911QR Unit each Analytes Select to compare Price on request - + 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
QuiKResponse - Corrosivity/pH in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-914QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Acidity, waste water (WasteWatR TM) Item no. ERA-915QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level Total Residual Chlorine Item no. ERA-917QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Boron, waste water (WasteWatR TM) Item no. ERA-919QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Nitroaromatics & Nitramines Soil, priority pollutant (PrPollutnT TM) Item no. ERA-920QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Hexavalent Chromium in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-921 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hexavalent Chromium in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-921QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Ready-to-Use VOAs in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-924QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Uranium, potable water (PotableWatR TM) Item no. ERA-930QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level Mercury, waste water (WasteWatR TM) Item no. ERA-931QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Low-Level Nitroaromatics & Nitramines, priority pollutant Item no. ERA-932 Unit 2 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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 - pH, waste water (WasteWatR TM) Item no. ERA-977QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Total Organic Carbon (TOC) - 1000mg/l, 500 ml Item no. ERA-978 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Phenol - 1000mg/l, 500 ml Item no. ERA-982 Unit 500 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
Ammonia as Nitrogen (N) - 1000 mg/l, 500 ml Item no. ERA-985 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Ammonia as Ammonia (NH3) - 1000 mg/l, 500 ml Item no. ERA-986 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Cleaning Validation Kit 10 Vials & 20 Swabs (TX714K) Item no. ERA-CV10000TX Unit Kit Analytes Select to compare Price on request - + Add to cart All product details
Cleaning Validation Kit 80 Vials & 160 Swabs (TX714K) Item no. ERA-CV10005TX Unit Kit Analytes Select to compare Price on request - + Add to cart All product details
Calcium - 1000 mg/l, Unpreserved, 125 ml Item no. ERA-K10 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Magnesium - 1000 mg/l, Unpreserved, 125 ml Item no. ERA-K11 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Purified Water - 4 L Item no. ERA-PW10000 Unit 4 L Analytes Select to compare Price on request - + Add to cart All product details
Purified Water (4 x 4 L Case) Item no. ERA-PW10005 Unit 4 x 4 L Analytes Select to compare Price on request - + Add to cart All product details