Lab HQ: +255 758 381 273 Direct: +255 784 894 577 info@rvalabs.co.tz
WhatsApp Lab Desk Mwanza Main Lab • Regional Drop-Offs
Mining, Environmental & Commercial Client Solutions

Sectors We Serve Across Africa

Tailored analytical testing pipelines, rapid-turnaround assay workflows, and accredited geochemical data designed specifically for mineral exploration, active mine production, and environmental compliance.

Exploration Drilling
Greenfield & Brownfield

Mineral Exploration & Drilling

High-capacity core logging support, precision diamond half-core sawing, screen fire assay for coarse nuggety gold, and 65-element ICP-MS pathfinder vectoring.

Key Assay Suites:
  • FA-AAS-01: Fire Assay Gold (0.01 – 100 ppm)
  • SCR-FA-05: Metallic Screen Fire Assay (1kg charge)
  • ICP-MS-65: Ultra-Trace 65-Element Suite
Commercial Mine Operations
Active Mine Production

Commercial Mining Operations

Grade control blast-hole assays, mill feed reconciliation, plant carbon activity (R-value) testing, cyanide leach optimization, and bullion doré settlement assays.

Key Assay Suites:
  • FA-GRAV-02: Fire Assay Gold Gravimetric Finish
  • MET-CAR-21: Carbon Activity & Loading (CIL/CIP)
  • MET-DOR-23: Proof-Corrected Bullion Doré Assays
Small Scale Miners
Artisanal & Medium Scale

Small-Scale Miners & FEMATA

Fast-track, cost-effective fire assaying and bullion fineness testing for small and medium-scale miners across Geita, Kahama, Chunya, and Sekenke belts.

Key Assay Suites:
  • FA-AAS-01: Low-Cost Routine Gold Fire Assay
  • MET-DOR-23: Gold Bead Fineness Testing
  • PREP-STD-15: Standard Crushing & Pulverizing
Smelters & Refineries
Commercial Settlement

Smelters, Refineries & Traders

High-precision settlement proof fire assays and multi-element ICP base metal impurity screening for gold exporters, commercial trading hubs, and customs clearance.

Key Assay Suites:
  • MET-DOR-23: Proof Fire Assay (0.1 ppt precision)
  • AAS-BM-10: Impurity Screen (Cu, Pb, Fe, Bi, As)
  • Official Signed Certificate of Analysis (COA)
Environmental Compliance
Statutory & EIA Compliance

Environmental Engineering

Complete physicochemical and toxicological characterization ensuring compliance with Tanzania National Environment Management Council (NEMC) discharge standards.

Key Assay Suites:
  • ENV-ARD-24: Acid-Base Accounting (ABA) & NAG pH
  • ENV-WAT-25: WAD Cyanide & Heavy Metals Discharge
  • ENV-TLG-28: Tailings Leachate (USEPA TCLP/SPLP)
Auditing & Due Diligence
JORC / NI 43-101 Auditing

Royalty Holders & Investors

Independent umpire assays, blind duplicate cross-check programs, and technical QA/QC auditing for mining transactions, stock exchange disclosures, and resource reconciliation.

Key Assay Suites:
  • CON-ADV-27: Geochemical Consulting & QA/QC Audits
  • Independent Umpire Check Assaying
  • Statistical Thompson-Howarth Precision Curves

Need a Tailored Commercial Testing Agreement?

We establish dedicated laboratory service level agreements (SLAs), on-site containerized prep facilities, and priority turnarounds for medium-to-large exploration and mining campaigns.