Document QJ2Q006VXwD2kwZa67KdXrab5

R C L FOURTH QUARTER 1985 EIGHT HOURS TWA CONCENTRATION IN AIR (PPHV) AREA SAMPLES AREA TIME PER TET PDC B-TRI T-13 and 26 8hrs 1.76 N/D 1.2 N/D D-13 8hrs .073 .017 .041 N/D C-59 OH EXCH VENT 8hrs 2.53 N/D .793 N/D BDC 2,3 DCP N/D N/D N/D N/D N/D N/D TLV 50 5 75 50 10 1 EXCURSION SAMPLES AREA TIME PER TET PDC B-TRI EDC 2,3 DCP V2 T-94-1 15 min N/D N/D N/D 1091.68 N/D N/D 106.43 T-94-2 15 min N/D N/D N/D 282.27 N/D N/D 57.24 TLV 50 5 75 50 10 1 5 1- Job was hydroblasting T-94, It was shutdown due to insufficient respiratory protection, but was restarted with breathing air gas masks & protective clothing. 2- Next day during hydroblasting DO 010823 CONFIDENTIAL