Document 1QZgqQGD1JGGVy3x639MwLZ45

Distribution invviwffiw Communication From: Date: Subject. Chip Madlgan September 10, 1987 VCH Leak Detection Survey Attached are the results of the completed 1987 Comprehensive VCM Leak Detection Survey. A total of forty-one (41) leaks were detected and repaired. Every connection, flange, valve, etc.. In VCM service was checked with a portable hydrocarbon detector (HNU). The points with readings above 50 ppm, with the probe as close to the equipment as possible, were considered leaks and were noted. A lit of all VCM leaks is attached. * If there are any questions or comments, please contact me. H Chip Madlgan vJ Co-Op Process Engineer nrs cc: JF, JWW, PJK, VEM, DFJ, RAF, MLN, TFL, SCH VAB.0001109938