DRAFT Table 9. <strong>Risk</strong>-Based Screening Levels (RBSLs) for Evaluating Potential Exposures to Residential Irrigation Water Constituent Ingestion Dermal Contact RBSL (µg/L) Inhalation during Ingestion of Dermal Contact Dermal Contact while Gardening while Gardening Lawn Irrigation Homegrown Produce (Wading Pool) (Sprinkler) acetone 919,800 49,611,496 7,808,787 4,625,973 1,877,444 2,414,509 benzene 134 131 1,342 64 78 82 carbon disulfide 102,200 150,675 1,249,281 145,266 34,375 60,787 chloroethane 2,540 7,128 11,333 3,616 3,239 2,996 chloroform 10,220 31,493 450 18,216 6,492 849 1,1-dichloroethane 102,200 353,227 867,589 242,714 69,555 110,585 1,2-dichloroethane 81 275 407 62 122 107 1,1-dichloroethene 51,100 104,055 347,791 89,972 23,218 37,918 cis-1,2-dichloroethene 10,220 31,315 57,940 29,478 6,357 9,863 trans-1,2-dichloroethene 20,440 62,629 111,541 77,712 12,714 19,643 1,2-dichloropropane 108 189 584 45 104 98 1,4-dioxane 670 29,927 28,804 522 2,315 2,114 ethylbenzene 102,200 47,115 2,110,120 34,115 13,072 21,976 isopropylbenzene 102,200 326,750 897,870 104,157 66,782 105,508 methyl ethyl ketone 613,200 16,696,416 16,472,371 1,431,937 1,098,322 1,677,188 methyl isobutyl ketone 81,760 589,378 7,294,344 117,929 88,633 147,718 methylene chloride 982 4,263 19,920 1,616 1,675 1,651 4-methylphenol 5,110 11,273 628,828 1,958 2,465 4,321 phenol 306,600 1,686,022 116,143,165 167,088 282,112 483,225 tetrachloroethene 142 41 20,567 13 31 31 toluene 81,760 65,000 9,900,752 50,121 16,549 29,235 1,1,1-trichloroethane 286,160 437,898 1,946,500 237,887 106,924 170,998 1,1,2-trichloroethane 129 192 718 50 113 105 trichloroethene 670 654 6,403 205 416 410 1,2,4-trimethylbenzene 51,100 10,125 13,378 7,955 2,967 3,977 1,3,5-trimethylbenzene 51,100 17,498 13,366 11,415 4,949 5,952 xylenes 204,400 78,027 211,084 64,642 21,927 33,258 vinyl chloride 10 27 2,038 23 13 14 ENVIRON Page 1 of 1 <strong>Human</strong> <strong>Health</strong> <strong>Risk</strong> <strong>Assessment</strong>
<strong>Human</strong> <strong>Health</strong> <strong>Risk</strong> <strong>Assessment</strong> DRAFT Figures