 Moodys Investors Service Moodys affirmed EPIC Y-Grade Services, LPs EPIC Y-Grade Corporate Family Rating CFR at Caa2 and Probability of Default Rating PDR at Caa2-PDLD LD appended. The affirmation of EPIC Y-Grades CFR and continued negative outlook reflects constrained liquidity in 2021 and still elevated leverage, said Jonathan Teitel, a Moodys Analyst. 