Hyderabad: The Ministry of Environment and Forests (MoEF) has asked Rashtriya Ispat Nigam Ltd (RINL) to submit a report on cumulative environment assessment to increase limestone production from captive mines in Andhra Pradesh, official sources said.
RINL approached the MoEF to increase limestone production from 3.8 lakh tons of per annum to 7.8 lakh tonnes in view of its Vizag Steel Plant expansion programme of liquid steel production to 6.3 MTPA from 3.4 MTPA.
An Expert Appraisal Committee (EAC) under the Ministry also asked the state-owned steel maker to submit plan to reduce the air pollution at the mining site.
RINL has mining license in 3,199 acres at Jaggayyapeta in Krishna district of the state.
"During appraisal, it was observed by the Committee that there are number of mines surrounding this mine lease area and cumulative impact of the study area needs to be studied and reported," the EAC said in its report.
"Complete list of flora and fauna is required to be provided by PP (and) Air quality data at the crushing plant show very high air pollution the reasons for which need to be ascertained and appropriate control measures need to be put in place. Proposed special action plans in this regard may be spelt out," it added.
The EAC felt that that the proposal may be brought back before the Committee for further consideration after requisite information has been submitted by RINL.
When contacted a senior official from RINL said limestone is used to remove impurities and improve quality in the steel making process.