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Ground Zero Analysis, Inc. <br /> SITE SAFETY PLAN <br /> FACILITY BACKGROUND <br /> The site has operated as an automotive sales/service lot for many years From at least 1986 <br /> through March 1997 a 250-gallon underground storage tank (UST) was used for storage of waste <br /> oil The actual date of installation of the tank is not known. The UST was removed in March <br /> 1997. Field and laboratory evidence of a release of waste oil and solvents was noted during <br /> removal <br /> WORK PLAN <br /> Task One: Advance up to four (4) soil borings using a truck mounted Geoprobe 5400 direct <br /> push dnUmg ng to depths of approximately 25-30 feet below ground surface in area of the former <br /> UST to determine current concentrations of residual soil contamination resulting from past site <br /> operations and to determine if groundwater has been impacted by an unauthorized release <br /> Task Two: Collect soil samples from each boring at minimum 5-foot intervals for logging and <br /> submittal to a state-certified laboratory for analysis Advance one boring to groundwater to collect <br /> a grab groundwater sample for submittal to a state-certified laboratory for analysis <br /> i <br /> JOB HAZARD ANALYSIS AND SUNMARY <br /> Chemical Hazards <br /> TASK{Sl CHEMICAL PEL/STEL/IDLH ` KNOWN SIGNS/SYMPTOMS <br /> (SOIL, WATER, AIR, CONCENTRATION <br /> ETC ) <br /> 1,2 Benzene PEL 0 1 ppm (NIOSH)/ 8 1 ppm Irritation of eyes, nose, <br /> 1 ppm (OSHA) respiratory sys, giddiness, <br /> STEL 1 ppm (NIOSH)/ headaches, nausea, <br /> 5 ppm IOSHA) staggered gait, fatigue, <br /> IDLH 3,000 ppm anorexia, lassitude, <br /> dermatitis, human <br /> carcinogen <br /> 1,2 Toluene PEL 100 ppm 51 ppm Fatigue, weakness, <br /> STEL 150 ppm confusion, euphoria, <br /> IDLH 2,000 ppm dizziness, headache, dilated <br /> pupils, tearing, nervousness, <br /> muscular fatigue, insomnia, <br /> L I paresthesia, dermatitis <br /> PAGE 2 <br />