Download here: http://unquenque.com/tenfour/

Hello AlexDOK.
It is the episode that i was looking.
It has textures from game RTCW and some from game Soldier of Fortune.

Notes:
1 - Have other releaseds on this link for Half-Life 1, maybe you find something interesting:

Infiltracja.zip 6.5M
Mi2.zip 1.7M
Projekt_Einstein.zip 3.6M
SC.zip 5.2M
great_escape.zip 373k
metro.zip 366k
om.part01.rar 1.4M
om.part02.rar 1.4M
om.part03.rar 1.4M
om.part04.rar 1.4M
om.part05.rar 1.4M
om.part06.rar 1.4M
om.part07.rar 1.3M
usaf.zip 83k
---------------------------------
idolhunt.zip 10.9M
parallax-test4.zip 5.6M

2 - The file that is on parts is called "Operacja Mirra".
3 - It appears that these releases are from Polish author(s).