| 3/15/2018 | 382200009019 | REFERENCE MATERIAL USED IN LABORATORIES
| 300 | Units | 2538.81 | N/A | POLIMETAL MADENCILIKSANAYI VE TICARET ANONIM SIRKETI |
| 3/22/2018 | 382200009019 | REFERENCE MATERIAL USED IN THE LABORATORY
| 100 | Units | 1130.73 | N/A | POLIMETAL MADENCILIKSANAYI VE TICARET ANONIM SIRKETI |
| 3/1/2024 | 382290000019 | CERTIFIED REFERENCE - MATERIAL | 100 | UNIT | 6313 | N/A | ALS LABORATUAR HİZMETLERİ LİMİTED ŞİRKETİ |
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| 3/27/2024 | 382290000019 | REFERENCE STANDARDS (GROUND ROCKS) FOR USE IN LABORATORY ANALYSIS. (CERTIFIED REFE+RENCE MATERIAL ( OREAS 521 - 627 ) | 500 | UNIT | 4829 | N/A | ESAN ECZACIBAŞI ENDÜSTRİYEL HAMMADDELER SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/5/2024 | 382499969068 | REFERENCE MATERIAL USED IN SOIL ANALYSIS IN THE LABORATORY | 20000 | KILOGRAM | 61017 | N/A | ALS LABORATUAR HİZMETLERİ LİMİTED ŞİRKETİ |