Subject: union carbide - texas city change in their safety net gas : effective 3 pm today - increase it from 9 , 000 / d to 14 , 000 / d , so total flow at hpl meter would be 24 , 000 / d effective 9 am tomorrow 12 / 20 / 00 , decrease safety - net gas down to 6 , 000 / d , so total flow at hpl meter would be 16 , 000 / d