ZLC CTLR EXPRESSED CONCERN REGARDING VFR CLIMB PROC FROM NON CTLED ARPT'S.

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ACR X PROVIDES SCHEDULED SVC TO ELKO; NV; USING E120 ACFT. EKO IS AN UNCTLED ARPT; SO PLTS ROUTINELY CONTACT ATC VIA RADIO ON THE GND FOR CLRNC. AS PART OF THE CLRNC REQUEST; ACR X PLTS REGULARLY ASK FOR 'A VFR CLB.' EKO DOES HAVE A PUBLISHED IFR DEP PROC; BUT IT IS MY UNDERSTANDING THAT THE OPTION TO EITHER FLY THE DEP PROC OR CLB ON COURSE IS SOLELY AT THE DISCRETION OF THE PLT. PLTS HAVE TOLD ME THAT THEY MAKE THIS REQUEST BECAUSE OF COMPANY POLICY. AS A CTLR; WHEN A PLT REQUESTS AND I ISSUE A CLRNC THAT INCLUDES A VFR CLB; I AM NOT PROVIDING IFR SEPARATION SVCS UNTIL THE ACFT REACHES THE ALT SPECIFIED IN THE VFR CLB CLRNC. MY CONCERN IS THAT ACR X POLICY IS DIRECTED AT THE OPTION OF A CLB ON COURSE; AND THAT THEY DON'T UNDERSTAND THE IMPLICATIONS OF THE VFR CLB THEY ARE REQUIRING THEIR PLTS TO ASK FOR. I FEEL THAT IF THEY UNDERSTAND THAT THEY ARE WAIVING ATC PROVIDED SEPARATION THEY WOULD IMMEDIATELY CHANGE THEIR POLICY. I HAVE TRIED TO MAKE THIS POINT TO ZLC MGMNT REPEATEDLY; BUT TO MY KNOWLEDGE; NO ACTION HAS BEEN TAKEN TO ENLIGHTEN ACR X MGMNT. I AM NOT AWARE OF AN OCCURRENCE OF ANY KIND OF PROX EVENT CONNECTED WITH THIS ISSUE; BUT FEEL STRONGLY THAT THE POTENTIAL FOR ERROR DEFINITELY EXISTS. I WOULD FEEL MUCH MORE COMFORTABLE ISSUING THE REQUESTED CLRNC IF I KNEW THE PLTS AND THEIR COMPANY UNDERSTOOD AND ACCEPTED THE LIABILITY THEY ARE ASSUMING.