tender for outsourcing of laboratory support service, sample preparation, sample crushing, grinding, and related work at chemistry laboratory--- 1 outsourcing of laboratory support service, at chemistry laboratory, amd, nr 2 crushing and grinding of the rock samples by mortar pestle to -200 mesh for chemical analysis on daily basis ( approx. 20 samples / day ) . coning and quartering, filled in vial, its numbering and maintaining in sample registerassistance in shifting and fixing the gas cylinders like argon, da and nitrous oxide for instruments aas and icp-oes on daily basis ( approx. 2 cylinders / day ) .preparation of flux for uranium analysis on daily basiscleaning of instruments, working tables and fume hoods, cleaning of glasswares, plasticwares etc. on daily basis ( approx. 100 labwares / day ) miscellaneous works: shifting of samples from various locations and other associated work with the chemistry lab. ( minimum 2 nos. of un-skilled workers are required for the given job )