Document O1DOOL2nLke2v8dKEN9Qw14Oj

DOW CHEMICAL U.S.A. LOUISIANA OrvrstON P. O, BOX 160 PlAQUtMINE. LOUt&< AN A 70764 604 389-6000 January 22, 1981 A. E. Kirby - Marine D. R. Fabre - Marine Shift Supervisors - Marine Bulletin Board - Dock vl Dannie Kennedy - Industrial Hygiene Bud Smallridge - Safety For vour information, attached are exposure levels, shown in parts per million, from barge samples taken in 1980 during loading operations. ot'.t-r.ifc thovn, these are 8 hour time weighted averages taken with personnel -m nitoring pumps. TLV's listed are maximum allowable xpc surc-s . 4? T n d : s t r i a 1 h v g i e n e AN Ol'IHAIiNG UNlt 1- - OF T ME HOW (.H) MiTAl C rANY DO 098381 CONFIDENTIAL mm w DATE 1-13"' 1-13 1-24 1-24 1-19 1-19 12-30 12-30 12-30 1 ^o PERSONNEL 0.02 0.03 0.29* 3.29* 0.07 0.03 0.03 0.41 C-5 BENZENE SAMPLES TLV-10 AREA CONTROL ROOM AREA BARGE 0.03 84.94* 1198.96* 0.15 AREA FAN BIOWER 0.03 VENT METHOD OPEN HATCH OPEN HATCH OPEN HATCH OPEN HATCH OPEN HATCH OPEN HATCH FAN BLOWER FAN BLONER FAN BLOWER fa;: blower % DO 098382 4- - CONFIDENTIAL I to U D.^ PERSONNEL 0f 04 1 00 3-20 .M* 3-20 3-20 3-27 3-27 3-27 3-29 3-29 4-22 /_ 4-23 4-25 4-25 4-25 5-4 C -4 5-4 5-13 5-13 5-13 5#: 6-7 6-7 6-7 6-14 e-i4 6-14 f- - 2"! 6-22 6-22 C,,^ 8-24 S-24 -28 8-28 9-17 9-17 9-17 9-17 9-17 9-18 9-18 9-19 9-19 1.00 4.00 5.00 0.81 6.83 4.04 0.52 0.46 0.40 0.75 9.09 1.50 0.04 2.96 0.06 3.66 10.81 22.92 10.52 8.94 0.86 13.32 5.79 1 . 30 11.96 4 .86 3.51 2.07 i 1 .CS 3.08 9 * S4 4.89 6.10 3 3.91 10.20 4.54 0.18 7.95 0.18 0.45 1.34 0.77 1.34 1.52 0.06 0.06 79.33 14.98 28.59 AREA CONTROL ROOM BENZENE SAMPLES TLV-10 AREA TOP DECK NEXT TO BARGE 0.40 AREA CENTER OF AREA BARGE FAN BLOWER 24.00 0.11 0.20 0.26 0.18 5.07 0.02 0.43 0.03 0.06 1 .29 0.09 0.18 0.12 8.16 12.80 2.56 4.64 1.21 3.38 15.06 0.18 0.67 14.00 150.11 38.67 72.44 1 .17 65.27 23.59 0.07 11.94 VENT METHf RISER RISER RISER FLARE FLARE FLARE FLARE FLARE FLARE FLARE FLARE FLARE FL.ARE FLARE FLAFE FI SEP. RISER RISER RISER RISER RISER RISER R I SER RISER RISER RISER RISER RISER S 1 S ER RISER RISER RISER RISER OPEN HA IC OPEN KATC OPEN HATC OPEN HATC OPEN HATC OPEN HATC RISER RISER RISER RISER RISER OPEN HATC OPEN HATC OPEN HATC OPEN HATC OPEN HATC 5_ - DO 098383 CONFIDENTIAL. r / / 9-30- 9-30 9-30 10-3 10-3 10-3 10-3 10-3 10-3 10-15 10-15 10-15 10-20 10-20 10-20 10-21 10-21 10-21 11-20 11-20 11-20 11-21 1' 21 o 12-2 12-2 12-2 12-5 12-5 12-5 12-5 12-5 12-5 12-18 1 2-18 1 Co PERSONNEL 5.95 13.26 0.06 0.37 2.59 0.08 AO.93 15.88 138. A5 1.29 0.12 0.05 3.86 1.62. 84.91 0.79 80.85 150.97 0.19 12.87 7.78 0.09 0.56 0.09 13.29 12.90 1. 32 49.05 0.24 0.26 43.84 20.97 14.96 0.21 151.64 89.89 # BENZENE SAMPLES TLV-10 AREA CONTROL ROOM AREA TOP DECK NEXT TO BARGE AREA CENTER OF BARGE 0.06 0.05 17.21 0.08 741.03 1.64 80.99 52.84 0.08 1.05 0.09 3.23 0.40 19.90 0.72 3692.42 0.45 2.11 154.26 5.92 AREA FAN BLOWER VENT METH< 4.29 RISER RISER RISER RISER RISE^ RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER RISER OPEN HATC: OPEN RATC1 OPEN HATC! RISER RISER RISER RISER RISER RISER fan blove; FAN BLOVE] FAN BLOVE] -6- 00 098384 cONFIoe:NTrA(