TJ120/23 BOHAI SEA, INVESTIGATION AND POSITIONING OPERATION OF CAOFEIDIAN OILFIELD PIPELINE AND CABLE CARRIED OUT BY M/V LU HAI 09 IN AREA BOUNDED BY THE LINES JOINING 38-46.31N 118-39.75E,38-46.16N 118-41.15E,38-42.80N 118-41.59E,38-36.89N 118-28.14E,38-37.77N 118-27.14E AND 38-43.44N 118-40.09E FROM 01 TO 31 DEC. ADVISED TO AVOID. TIANJIN MSA CHINA.