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i <br /> J4 '•W - 22 - 89 TUE 1 S0 R' p MCON P . 03 <br /> �V <br /> • i <br /> AUGUST 22, 1989 <br /> SAN JOAOUIN COUNTY <br /> PAGE 2 <br /> RAMCON <br /> SAFETY PROCEDURES FOR RINSING UNDERGROUND STORAGE TANKS <br /> t. <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 . !s <br /> 3 . 2-30 POUND FIRE EXTINGUISHERS ON SITE AND READILY <br /> AVAILABLE . <br /> 4 . TRAINED EMPLOYEES WILL DETERMINE THE LOW EXPLOSION LEVEL <br /> (L .E.L) USING AN LEL METER. <br /> 5 . OPEN ALL ACCESSIBLE PORTS TO TANK BEFORE RINSING. <br /> b. DETERMINE IF TANK HAS ANY NON MANUFACTURED PORTS, VISUAL' <br /> INSPECTION OF 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 y <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 />