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| TENNESSEE | |
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| Notify your NPDES permit regulator of intention to use ASTM Standard D888-05. ASTM Standard D888-05 may be obtained at www.ASTM.org » LDO® ASTM Region 4 Approval Letter » Hach Method 10360 » EPA Hach method Approval Letter » ASTM Standard D888-05 Approval Letter » EPA/ASTM Validation Study |
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| Barbara Loudermilk | (615) 687-7121 |
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