The test mixture shall be composed of 61.5 per cent n-heptane, 12.5 per cent toluene, 7.5 per cent ethyl tetrachloride, 2.5 per cent trichloroethylene and 6 per cent xylene (volume per cent).
The test mixture shall be composed of 61.5 per cent n-heptane, 12.5 per cent toluene, 7.5 per cent ethyl tetrachloride, 2.5 per cent trichloroethylene and 6 per cent xylene (volume per cent).