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TABLE 1 Monitoring and Reporting Program No. R5-2017-0826 STOCKTON TERMINALS TECHNICAL COMMITTEE STOCKTON,SAN JOAQUIN COUNTY Constituents TPHg TPHd BTEX MTBE3 TBA3 TAME DIPE3 ETBE3 1 2-DCA3 EDB3 Ethanol3 Methanol3 Na hthalene3 EPA Method 8015M or 8015M 8020 or 8260B 8260B 8260B 8260E 8260E 8260E 8260B 8260E 8260B 8260B 8260B 82606 Maximum Practical Quantitation Limit' 50 50 0.5 0.5 5 0.5 0.5 0.5 0.5 0.5 50 100 0.5 Samplings- Well .., ... ..... ..,..,..: .-.--r Quarterly new wells x x x x x x x x x x x x x Semi Annually TS-1 R x x* x x ---------------- ----------- -------- ----------- --------- -------- -------- --------- --------- ------------ ----------- ------------ ------------- ---------------- TS-4R x x x x x x ---------------- ----------- -------- ----------- ----------------- -------- --------- --------- ------------ ----------- ------------ ------------- ---------------- TS-5R x x x x x x ---------------- ----------- -------- -------------------- -------- -------- --------- --------- ------------ ----------- ------------ ------------- ---------------- TS-9R x x x x x ---------------- ----------- -------- ----------- --------- -------- -------- --------- --------- ------------ ----------- ------------ ------------- -------x------- TS/M 4 x x x x x x ---------------- ----------- -------- ----------- --------- -------- ---=--- --------- --------- ------------ ----------- ------------ ------------- ---------------- TS/M-5 x x x x x x Annually TS/M-1 x x x x ITS/M-2 ---------------- ------x----- ----x---- -----x------ -----x---- ----x---- -------- --------- --------- ------------ ----------- ------------ ------------- ---------------- x 1 If the maximum practical quantitation limit is exceeded for a non-detectable result,the Discharger shall provide an explanation in the report text.All concentrations between the Method Detection Limit and the Practical Quantitation Limit shall be reported as trace. 2A11 wells shall be monitored semi-annually for water levels. Wells sampled semi-annually during first and third quarters and wells sampled annually during third quarter. 3 Fuel oxygenates including MTBE, TBA, TAME, DIPE, ETBE, 1,2-DCA, EDB, ethanol,methanol, and naphthalene shall be analyzed in all monitoring wells during two monitoring events in the first and third quarters. If results are nondetectable for both sampling events, no further monitoring for those constituents is required in that well. If a fuel oxygenate is detected, it shall be added to the monitoring program for the well in which it was detected. Monitoring wells for which fuel oxygenates requirements have already been met under previous MRP requirements do not need to be resampled for these analytes under this MRP. TPHd analysis conducted annually during third quarter. TPHg-Total petroleum hydrocarbons as DIPE Disopropryl ether 1,2- 1,2-Dichloroethane ug/L-Micrograms per liter gasoline DCA TPHd-Total petroleum hydrocarbons as ETBE Ethyl tertiray butyl ether EDB Ethylene Dibromide diesel BTEX-Benzene,toluene,ethylbenzene,and DGME Diethylene glycol monobutyl ether total xylenes MTBE-Methyl tertiary butyl TAME Tertiary amyl methyl ether - TBA-Tertiary butyl alcohol Page 3 of 3