Za določanje kakovosti zalog barita veljajo določbe členov 10 do 12 tega pravilnika; pri tem morajo biti za določitev kakovosti zalog kategorij A, B in C(1) izpolnjeni še naslednji pogoji:
Tabela 4
+------------+----------------+---------------------------------------------+
| Skupina | Vrsta |Največja razdalja med raziskovalnimi deli v |
| nahajališč | raziskovalnih | m |
| | del | |
| | +--------------+--------------+---------------+
| | | Kategorija A | Kategorija B |Kategorija C(1)|
| | | | | |
| | +--------------+--------------+---------------+
| | | po smeri po | po smeri po | po smeri po |
| | | vpadu | vpadu | vpadu |
| | | | | |
+------------+----------------+--------------+--------------+---------------+
|Prva |– vrtine | 30 | 60 | 120 |
| |– smerni | 20 | 40 | 80 |
| |hodniki | – | – | – |
| |– prečniki | 30 | 30 | 60 |
| |– nadkopi |20 |40 |80 |
| | | – | – | – |
| | | – |– |– |
| | | 50 | – | – |
+------------+----------------+--------------+--------------+---------------+
|Druga |– vrtine | 25 | 50 | 100 |
| |– smerni | 20 | 40 | 80 |
| |hodniki | – | – | – |
| |– prečniki | 30 | 30 | 60 |
| |– nadkopi |15 |30 |60 |
| | | – | – | – |
| | | – |– |– |
| | | 30 | – | – |
+------------+----------------+--------------+--------------+---------------+
|Tretja |– vrtine | 25 | 50 | 100 |
| |– smerni | 20 | 40 | 80 |
| |hodniki | – | – | – |
| |– prečniki | 30 | 30 | 60 |
| |– nadkopi |15 |30 |60 |
| | | – | – | – |
| | | – |– |– |
| | | 30 | – | – |
+------------+----------------+--------------+--------------+---------------+
|Četrta |– vrtine | 20 | 40 | 80 |
| |– smerni | 20 | 40 | 80 |
| |hodniki | – | – | – |
| |– prečniki | 30 | 30 | 60 |
| |– nadkopi |15 |30 |60 |
| | | – | – | – |
| | | – |– |– |
| | | 30 | – | – |
+------------+----------------+--------------+--------------+---------------+
|Peta |– vrtine |25 |50 |100 |
| |– jaški in | – | – | – |
| |razkopi |15 |30 |60 |
| |– hodniki in | – | – | – |
| |nadkopi |25 |50 |– |
| | | – | – | – |
+------------+----------------+--------------+--------------+---------------+
|Šesta |– vrtine |20 |40 |80 |
| |– jaški in | – | – | – |
| |razkopi |15 |30 |60 |
| | | – | – | – |
+------------+----------------+--------------+--------------+---------------+
+------------+----------------+---------------------------------------------+
| Skupina | Vrsta |Največja razdalja med raziskovalnimi deli v |
| nahajališč | raziskovalnih | m |
| | del | |
| | +--------------+--------------+---------------+
| | | Kategorija A | Kategorija B |Kategorija C(1)|
| | | | | |
| | +--------------+--------------+---------------+
| | | po smeri po | po smeri po | po smeri po |
| | | vpadu | vpadu | vpadu |
| | | | | |
+------------+----------------+--------------+--------------+---------------+
|Prva |– vrtine | 30 | 60 | 120 |
| |– smerni | 20 | 40 | 80 |
| |hodniki | – | – | – |
| |– prečniki | 30 | 30 | 60 |
| |– nadkopi |20 |40 |80 |
| | | – | – | – |
| | | – |– |– |
| | | 50 | – | – |
+------------+----------------+--------------+--------------+---------------+
|Druga |– vrtine | 25 | 50 | 100 |
| |– smerni | 20 | 40 | 80 |
| |hodniki | – | – | – |
| |– prečniki | 30 | 30 | 60 |
| |– nadkopi |15 |30 |60 |
| | | – | – | – |
| | | – |– |– |
| | | 30 | – | – |
+------------+----------------+--------------+--------------+---------------+
|Tretja |– vrtine | 25 | 50 | 100 |
| |– smerni | 20 | 40 | 80 |
| |hodniki | – | – | – |
| |– prečniki | 30 | 30 | 60 |
| |– nadkopi |15 |30 |60 |
| | | – | – | – |
| | | – |– |– |
| | | 30 | – | – |
+------------+----------------+--------------+--------------+---------------+
|Četrta |– vrtine | 20 | 40 | 80 |
| |– smerni | 20 | 40 | 80 |
| |hodniki | – | – | – |
| |– prečniki | 30 | 30 | 60 |
| |– nadkopi |15 |30 |60 |
| | | – | – | – |
| | | – |– |– |
| | | 30 | – | – |
+------------+----------------+--------------+--------------+---------------+
|Peta |– vrtine |25 |50 |100 |
| |– jaški in | – | – | – |
| |razkopi |15 |30 |60 |
| |– hodniki in | – | – | – |
| |nadkopi |25 |50 |– |
| | | – | – | – |
+------------+----------------+--------------+--------------+---------------+
|Šesta |– vrtine |20 |40 |80 |
| |– jaški in | – | – | – |
| |razkopi |15 |30 |60 |
| | | – | – | – |
+------------+----------------+--------------+--------------+---------------+