All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: Lab Supply Item #: ECMSSA-MP Description: 6g MgSO4, 1.5g Ch3Choona(Anhydrous) Mylar Pouch Only Unit Of Measure: PKG50 Quantity: 3 Item #: ECMSSA-MPDescription: 6g MgSO4, 1.5g Ch3Choona(Anhydrous) Mylar Pouch OnlyUnit Of Measure: PKG50; Lab Supply Item #: CUMPSC1815CT2 Description: QuEChERS 1200mg MgSO4/400mg PSA/400mg CEC18, 15mL CT Unit Of Measure: PKG50 Quantity: 3 Item #: CUMPSC1815CT2Description: QuEChERS 1200mg MgSO4/400mg PSA/400mg CEC18, 15mL CTUnit Of Measure: PKG50; Lab Supply Item #: ECMS12CPSA415CT Description: QuEChERS 1200mg MgSO4/400mg PSA, 15mL CT Unit Of Measure: PKG50 Quantity: 1 Item #: ECMS12CPSA415CTDescription: QuEChERS 1200mg MgSO4/400mg PSA, 15mL CTUnit Of Measure: PKG50