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a (j.G - - ems TUE i Viu R"NCO " �, 5 <br /> t <br /> AUGUST 22, 1989 <br /> SAN JOAOUIN COUNTY " <br /> PAGE 2 <br /> RAMCON <br /> SAFETY PROCEDURES FOR RINSING UNDERGROUND STORAGE TANKS <br /> 1 . ALL RAMCON FIELD EMPLOYEES ARE CERTIFIED THROUGH OSHA 29 <br /> CFR <br /> 1910. 120, HAZARDOUS WASTE OPERATIONS AND EMERGENCY <br /> RESPONSE. <br /> 2. EMPLOYEES WEAR FULL FACE RESPIRATORS, RUBBER GLOVES AND <br /> PROTECTIVE CLOTHING. <br /> 3. 2-30 POUND FIRE EXTINGUISHERS ON SITE AND READILY <br /> AVAILABLE . <br /> 4 :- TRAINED EMPLOYEES WILL DE.TERMINE_THE. LOW EXPLOSION LEVEL <br /> (L .E.L) USING AN LEL METER. <br /> 5. OPEN ALL ACCESSIBLE--PORTS TO ,TANK. BEFORE RINSING. <br /> 6. DETERMINE IF -TANK HAS-ANY--NONMANUFACTURED PORTS, VISUAL' <br /> INSPECTION=DF TANK FROM GRADE. VISUAL INSPECTION OF TANK <br /> ---FROM GRADE-. VISUAL INSPECTION OF BACKFILL ( i . e. PUDDLING <br /> OR=-OVER--SATURATION -IN-BOTTOM_OF_TANK PIT) . <br /> 7 . PHONE-NUMBERS OF LOCAL AUTHORITIES AND EMERGENCY PERSONAL, <br /> INCLUDING THE HEALTH DEPARTMENT OFFICIALS. <br /> SOIL SAMPLING PROCEDURES <br /> 1 . SAMPLES WILL BE TAKEN TWO - THREE FEET BELOW TANK BOTTOM, <br /> FROM- NATIVE SOIL, AND-WILL- BE OBTAIN -BY-USING -A HAND AUGER <br /> FROM THE BACKHOE BUCKET. <br />