Document NGL9XnBeG7gMqpYD9V5dxeQJQ

P. 0. BOX 3303 - LAKE CHARLES, LA 70602-3303 (318) 882-0334 August 12, 1988 CLIENT: PPG Industries, Inc. P. 0. Box 1000 Lake Charles, LA 70602 Attn: Anne Corbello SAMPLE(S) RECEIVED: 7-22-88 1600 JOB # W8824A P.O.# 005273 SAMPLE DESCRIPTION: Log #776 - Sample date & time: 7-18-88 @ 0630-1130 Derivatives Surge Pond Sludge NTS 003 METALS - ANALYSIS OF SAMPLE - Method 3050 Digestion ARSENIC BARIUM CADMIUM CHROMIUM LEAD MERCURY SELENIUM SILVER NICKEL COPPER ANTIMONY BERYLLIUM -- - -- - -- - -- -- - -- RESULT 0.82 Ppm 14.0 ppm <0.51 ppm 54.7 ppm 5.68 PP 13.52 Ppm <0.093 ppm <1.86 ppm 25.2 19.3 <5.57 <0.93 Ppm ppm PP Ppm METHOD 7061 6010 6010 6010 7420 7470 7741 7760 7520 7210 7040 6010 EPA Test Methods for Evaluating Solid Waste SW-846 Nov 1986 On Behalf of Core Laboratories, Robert Morris Laboratory Supervisor RM/rl SL 046^