The court in Samara have arrested 4 members of the group that supplied the contaminated oil to the "Friendship" to cover up the theft of raw materials, said the official authorized SC of Svetlana Petrenko. the story is about the CEO of "Neftepervalki" Svetlana Balaba, Deputy General Director of "Neftepervalki" the Rustam Khusnutdinov, the General Director of OOO "PetroNeft Asset" Vladimir Gogolev and Deputy Director of OOO "Magistral" Sergey Balandin. 2 more persons are wanted, he stated. before the Head of "Transneft" Nikolay Tokarev said that according to the results of internal corporate investigations it turned out that poor quality oil was in the "Friendship" from private enterprise in the Samara region. Minister of energy Alexander Novak told that the case was referred to the Prosecutor, held its first arrest. According to investigators, from August 2018, six of the suspects stole the raw materials for the sum Over one million roubles. in March-April 2019 to hide the theft, they put oil with the addition of its composition of chlorinated compounds that do not meet the requirements of GOST, the node draining from the village Nikolaevka of the Volga district of the Samara region. then the contaminated products have hit the tank farm in the village of Lopatino in the same district, then - in the main pipeline system. In the end, eight of the tanks in the Park "Lopatino" was given in unserviceable condition, commented in the UK. The problem with the quality of the oil exported from Russia to Belarus " Friendship ", appeared in mid-April. On the morning of 30 April, "Gomeltransneft Druzhba" completely stopped accepting products from Russia to displace low-quality raw materials from the pipeline. "Transneft" has recognized the high content of chlorides and reported that decides the problem in no time. Later in the organization suggested that products could be intentionally contaminated. Then Vladimir Putin ordered the head of "Transneft" to consider measures to enhance monitoring of oil and report back the results to the Prime Minister. On may 2, Belarus started to receive quality raw materials. <span style="color:darkgray