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6 aac�M1 <br />QVE-A•a Pm Waist <br />Mr. Robert Hart, Manager Governor <br />State Water TLS Technology Development <br />.Resoura� Veede.P-Root <br />Control Board <br />145 Powder Forest Drive <br />Division of P.O. BOY 2003 <br />C:aan'Nater Simsbur:i, CT 06070-2003 <br />Pro-;— s <br />Maiiing :;dd^r% : <br />?.a. Bar 9"21Z D ear \/lr. Hart: <br />6 <br />SaCSS:tC«D. CA <br />94 s++-%:--0 <br />V=-r--R.-ROOT TLS SERIES 300/400 MONITORLNG SYST—E."YIS WITH CSLD <br />s1u :So�- VERSIONS 3473 & 3493 (MAGNETOSTRICTIVE PROBES) <br />CA <br />(9 6) : 0 This Ietter supersedes our November 227, 1994 provisional approval letter for use of TLS <br />FAX, 16 -_-74349Series 300A00 CSLD in California. Shahla Farahnak of my saa has reviewed the June 10, <br />1996 third-aarty evaluation report and other suppiemental data submitted for the Veeder - <br />Root Continuous Automatic Tank Gauging System (TLS Series 300/400 with CSLD). This <br />evaluation has been performed in accordance with the Evaivation Protocol for Continuous <br />In -Tank Leak Detection Systems, MRI, April 7, 1995. We are pleased to inform you that <br />the enclosed description sheet (Enclosure 1) will be included in our next leak detection <br />equipment list. , <br />Please, note that this system is approved as "Other Test Methods" under the provisions of <br />California Code of Regulations .Title 23, .Section 3643(b)(59. In accordance :nidi our <br />review, this system is accepted as a stand-alone monthly monitoring method for <br />under�ound storage tanks. The system must complete a conclusive test repot every <br />month. We undersand that there have been no hardware or sofrware*c.!=zes to this <br />system to obtain recertification under the April 7,.1995 protocol (Enclosure _). <br />Our review helps California's local agencies to implement the underground sorage tank <br />regulations. However, some of these agencies choose to review equipment ccrancatiors <br />and may tis :':ov: he us3 of certain equipment even if it is on the state list. <br />If you have any questions regarding this letter, please call Ms. Farahnak at (916) 117=3 50. <br />Sincerely, <br />James Georr4e Giannop`ooulloos, Chief <br />Regulatory Programs Branch <br />Enclosures <br />7� ?ec clad ?caer Our mtsston is to preserve and enhance the auahty of Ca!{iornra s "tater resources. and <br />