A whole volume multi-analyte standard for quality control analysis for 6 solids parameters. Each 100 mL aliquot contains: TS, TDS, TSS, VSS, FSS, and FDS.

A 21 mL concentrate for determination of Total Cyanide. Formulated in the NELAC range of 0.1 - 0.5 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)

A 1.5 mL concentrate in Methanol for use with Methods 502.1/502.2/524.2. (Supplied in duplicate)

A 21 mL concentrate for determination of Nitrite. Formulated in the NELAC range of 0.4 - 4.0 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)

Microbiological CRMs designed Petrifilm® methods.

Certified for APC, Total Coliform, Coliform/E.coli, S.aureus, Enterobacteriaceae, and Yeast and Mold by re-hydratable film and BAM methods (20,000 CFU as APC).

A 5.0 mL concentrate for determination of Perchlorate. Formulated in the NELAC range of 4.0 - 20 ug/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)

Microbiological CRMs designed Petrifilm® methods.

A 21 mL concentrate for determination of TOC, COD, BOD, and C-BOD. Each ampule produces 2 liters of sample. (Supplied in duplicate)

Unit Dose™ cultures are formulated to deliver less than 100 CFU per pellet. Directly inoculate media without dilution. Pellets dissolve instantly. Quantitatively validated and traceable cultures are Certified Reference Materials with downloadable Certi

A 1.5 mL concentrate in Acetone for determination of Toxaphene. Formulated in the NELAC range of 20 - 100 ug/L. (Supplied in duplicate)

A pure culture of A. flavus, NRRL 1957, packaged in an easy to use inoculating swab stick. Simple snap valve design releases hydration fluid with a press of the plastic stem valve.  Culture pellet  supplied in Microgel-Flash quick dissolve matrix, diss

A 100 gram sample supplied ready to use. Designed for use with EPA Methods 9020B, 9065, 9066 and 9067. Contains Total Phenolics and TOX in the range of 0.5-100 mg/kg.

A 250 mL whole volume sample for determination of pH without dilution. Formulated in the NELAC range of 5.0 - 10 units. (Supplied in duplicate)

A 30 gram sample supplied ready to use. Designed for use by EPA Method 8270. Each study contains at least 60% of the NELAC analytes plus a subset of the other analytes. Supplied in duplicate.

Unit Dose™ cultures are formulated to deliver less than 100 CFU per pellet. Directly inoculate media without dilution. Pellets dissolve instantly. Quantitatively validated and traceable cultures are Certified Reference Materials with downloadable Certi

A 1.5 mL concentrate in Acetone for use with Methods 505/508/525. Formulated in the NELAC range of 2 - 20 ug/L. (Supplied in duplicate)

Microbiological CRMs designed Petrifilm® methods.

A 5.0 mL sample for dilution to 1000 mL. Can be used for IR methods as well as Gravimetric methods. Formulated in the NELAC range of 20 - 200 mg/L. Each ampule produces 1 liters of sample. (Supplied in duplicate)

A 21 mL concentrate for determination of Amenable and Total Cyanide. Formulated in the NELAC range of 0.1 - 1 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate) 

A 5 sample proficiency testing panel for qualitative identification of Listeria spp. in environmental swabs.  Each panel is supplied with 5 inoculated swabs and five 4" x 4"  sterile swabbing surfaces.  At least 2 of 5 inoculated swabs will be positive

Unit Dose™ cultures are formulated to deliver less than 100 CFU per pellet. Directly inoculate media without dilution. Pellets dissolve instantly. Quantitatively validated and traceable cultures are Certified Reference Materials with downloadable Certi

A 21 mL concentrate to be analyzed for Simple Nutrients. Each ampule produces 2 liters of sample. (Supplied in duplicate)

A 1.5 mL concentrate in Methanol (Supplied in duplicate)

A 1.5 mL concentrate in P/T Methanol for use with Methods 501/502/524. (Supplied in duplicate)

A pure culture conveniently supplied in duplicate for quantitative determination of lactic acid producing bacteria, in the range of 100-250000 cfu/g, after hydration.

Pure bacterial culture in an easy to use swab stick. Simple snap valve design releases hydration fluid with a simple press of the plastic valve stem. Cultures are supplied in flash dissolve format, dissolving without agitation or incubation in less tha

A 21 mL concentrate to be analyzed for Complex Nutrients. Each ampule produces 2 liters of sample. The sample includes:  (Supplied in duplicate)

A 1 gram lyophilized sludge sample containing fecal coliforms from 10E3 mpn/g to 10E6 mpn/g. Designed for use with EPA 1680/1681. Supplied in duplicate so that you can evaluate two analysts or two methods without purchasing additional sample.

A 1.5 mL concentrate in P/T Methanol for determination of 1,2-Dibromoethane (EDB), 1,2-Dibromo-3-chloropropane (DBCP) and 1,2,3-Trichloropropane. Formulated in the NELAC range of 0.2 - 2.0 ug/L. (Supplied in duplicate)

A 250 mL whole volume sample for determination of Salinity.  Formulated using dissolved ionic salts above 50 salinity. (Supplied in duplicate) 

A 1.5 gram concentrate for determination of PCBs in Transformer Oil.