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Models:G-5,G-6,DWT-2,DWT-Type I,DWT-Type 11 Fibe las° Tanks 12,000 Gallon Tanks(8 Ft.Diameter) (Actual Capacity 11,627 gal) Dipstick Gallons Dipstick Gallons Dipstick Gallons Dipstick Gallons Dipstick Gallons for Fuel Storage 1/1, 1 81/8" 473 161/8" 1302 241/8" 2347 321/8" 3538 1/4" 3 81/4" 484 161/4" 1317 241/4" 2364 321/4" 3558 Calibration Chart* • 3/e" 5 83/8" 495 163/8" 1332 243/8" 2382 323/x" 3577 How to properly gauge your 1/2" 7 81/2" 506 161/2" 1347 1 241/2" 2400 321/2" 3597 tank: 5/g" 10 85/8" 517 165/8" 1362 245/x" 2417 325/8" 3617 Underground storage tanks require 3/4" 14 83/4 528 163/4" 1377 243/4" 2435 323/4" 3636 periodic measurement to determine 7/a" 17 87/811 539 167/8" 1392 247/8" 2453 327/8 3656 current inventory level.Using the proper methods when gauging your tank's 1" 21 9" 550 17" 1407 25" 2471 33" 3676 contents will insure the most accurate 11/8" 25 91/8" 561 171/8" 1423 251/8" 2489 331/x" 3695 reading and insure that you do not 11/4 29 91/4" 1 573 171/4" 1438 251/4" 2506 331/4" 3715 damage your tank.The following 13/g" 34 93/8" 584173/8" 1453 253/8" 2524 333/x" 3735 Procedure should be followed whenever you use a gauge stick to determine the 11/2" 38 91/2" 596 171/2" 1469 251/2" 2542 331/2" 3754 amount of product that is in your tank: 15/8" 43 95/8" 608 175/8" 1484 255/8" 2560 335/x" 3774 1. Use a wood dipstick with a rubber 13/4 48 93/4" 619 173/4" 1500 253/4" 2578 333/4" 3794 or nylon tip.Metallic dipsticks are 17/1, 53 9 A" 631 177/8" 1515 257/8" 2596 337/8" 3814 not recommended.This will insure 2" 59 10" 643 18" 1531 26" 2615 34" 3834 that frequent tank gaugings or an accidental dropping of the gauge 21/8" 64 101/8" 655 181/8" 1546 261/8" 2633 341/8" 3854 stick into the tank will not damage 21/4" 70 101/4" 667 181/4" 1562 261/4" 2651 341/4" 3873 the tank bottom. 23/8" 76 103/8" 679 183/8" 1578 263/x" 2669 343/8" 3893 2.Always gauge your tank at the fill 21/2" 82 10112" 691 181/2" 1594 261/2" 2687 341/2" 3913 port.A tank bottom protector plate 25/8" 88 105/8" 703 185/8" 1609 265/x" 2706 345/x" 3933 has been installed under this port 23/4" 94 103/4" 715 183/4" 1625 263/4" 2724 343/4" 3953 to help protect the tank. 27/8- 101 10�/e" 727 187/8111641 26/8" 2742 347/8" 3973 3. Slowly lower your gauge stick into the fill port until it touches the tank 3" 108 11" 740 19" 1657 27" 2761 1 35" 3993 bottom.Never free drop the gauge 31/8" 114 11%" 752 191/8" 1673 271/8" 2779 1 351/8" 4013 stick. This can result in inaccurate 31/4" 121 111/4 765 191/4" 1689 271/4" 2797 351/4" 4033 measurements due to product splashing.Free dropping can also 33/8" 128 113/8" 777 193/8" 1705 273/8" 2816 353/8" 4053 result in gauge stick damage and 31/2" 135 111/2 790 191/2" 1721 271/2" 2834 351/2" 4073 tank damage. 35/8" 143 11%" 803 195/8" 1738 275/x" 2853 355/8" 4094 4. Remove your dipstick slowly and 33/4" 150 113/4" 815 193/4 1754 273/4" 2871 353/4" 4114 read the product level directly from • 37/8 157 11 7/8" 828 197/8" 1770 277/8" 2890 357/8" 4134 the gauge stick. 4" 165 12" 841 20" 1786 28" 2909 36" 4154 Water Paste Detection 41/8" 173 121/8" 854 20118" 1803 281/8" 2927 361/8" 4174 To detect water in the tank bottom, 41/4" 181 121/4" 867 201/4" 1819 281/4" 2946 361/4" 4194 water detection paste is available from 43/8" 189 123/8" 880 203/8" 1835 283/8" 2965 363/x" 4215 petroleum equipment distributors. However,some water detection paste 41/2" 197 121/2" 893 201/2" 1852 281/2" 2983 361/2" 4235 cannot detect antifreeze mixtures.If 45/8" 205 125/8" 906 205/8" 1868 285/x" 3002 365/8" 4255 antifreeze mixtures are used for the cavity 43/4" 213 123/4" 919 203/4" 1885 283/4" 3021 363/4" 4275 monitoring fluid,the following product is 47/8" 222 127/8" 933 207/8" 1902 287/8" 3040 367/8" 4296 capable of detecting water or antifreeze (brine or up to 50 percent glycol)solution 5" 230 13" 946 2111 1918 29" 3059 37" 4316 in the tank water bottoms: 51/8" 239 131/8" 1 959 211/8" 1 1935 291/8" 3077 1 371/8" 4336 WATER FINDER 51/4" 247 131/4" 973 211/4" 1952 291/4" 3096 371/4" 4357 #7686-1870 5%11 256 133/8" 986 213/x" 1968 293/8" 3115 373/8" 4377 DAYCO/NATIONAL 51/2" 265 131/2" 1000 211/2" 1985 291/2" 3134 371/2" 4397 Dayton,OH (513)226-5879 55/8" 274 135/8" 1014 215/8" 2002 295/8" 3153 375/8" 4418 53/4" 283 133/4" 1028 213/4" 2019 293/4" 3172 373/4" 4438 Caution 57/8" 292 137/8" 1042 217/8" 2036 297/8" 3191 377/8" 4459 Pressurized deliveries are not recom- mended.If the delivery vehicle uses 6" 302 14" 1056 22" 2053 30" 3210 38" 4479 pumps to fill the tank,install overfill shut- 61/8" 311 141/8" 1070 221/8" 2070 301/8" 3229 38%11 4500 off equipment in the tank and truck to 61/4" 321 141/4" 1084 221/4" 2087 301/4" 3249 381/4" 4520 prevent the tank from being overfilled. 63/8" 330 143/8" 1098 223/8" 2104 30%" 38 4541 Overfilling the tank under pressure will 3 " 3268 3/g�� damage the tank even If the tank vent 61/2" 340 141/2" 1112 221/2" 2121 301/2" 3287 381/2" 4561 is unrestricted. 65/8" 350 145/8" 1127 225/8" 1 2138 305/x" 3306 1 385/x" 4582 63/4" 359 143/4" 1141 223/4" 2155 303/4" 3325 1 383/4" 4602 For model DWT-2P double-wall 67/8" 369 147/8" 1155 227/8" 2172 307/8" 3345 387/8" 4623 tanks only,the annular space 7" 379 15" 1 1170 23" 2190 31" 3364 39" 4643 capacity for this tank is 630 71/811 389 151/8" 1 1184 231/8" 2207 311/8" 3383 391/8" 4664 gallons. 71/4" 400 151/4" 1 1199 231/4" 2224 311/4" 3402 391/4" 4684 . 73/8" 410 15%'1 1213 23%11 2242 313/8" 3422 393/x" 4705 71/2" 420 151/2" 1228 231/2" 2259 311/2" 3441 391/2" 4726- 7%11 430 155/8" 1243 235/8" 2276 315/8" 3461 395/x" 4746 73/4" 441 153/4" 1257 233/4" 2294 313/4" 3480 393/4" 4767 77/8" 452 157/8" 1272 237/8" 2311 317/8" 3499 397/8" 4788 8" 462 16" 1287 24" 2329 1 32" 3519 40" 4808 'Calibration for Level Tanks Only