40 CFR Part 455, Table 2 — Organic Pesticide Active Ingredient Effluent Limitations Best Available Technology Economically Achievable (BAT) and Pretreatment Standards for Existing Sources (PSES)
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Pesticide | kg/kkg (lb/1,000 lb) Pounds of pollutant per 1000 lbs. product | Notes |
|---|---|---|
| Daily maximum shall not exceed | Monthly average shall not exceed | |
| 2,4-D | 1.97 × 10−3 | 6.40 × 10−4 | |
| 2,4-D Salts and Esters | (1) | (1) | |
| 2,4-DB Salts and Esters | (1) | (1) | |
| Acephate | 6.39 × 10−4 | 1.97 × 10−4 | |
| Acifluorfen | 2.45 | 9.3 × 10−1 | |
| Alachlor | 5.19 × 10−3 | 1.54 × 10−3 | |
| Aldicarb | 7.23 × 10−4 | 3.12 × 10−4 | |
| Ametryn | 7.72 × 10−3 | 2.53 × 10−3 | |
| Atrazine | 5.12 × 10−3 | 1.72 × 10−3 | |
| Azinphos Methyl | 2.74 × 10−2 | 1.41 × 10−2 | |
| Benfluralin | 3.22 × 10−4 | 1.09 × 10−4 | 1 |
| Benomyl and Carbendazim | 3.50 × 10−2 | 8.94 × 10−3 | 2 |
| Bolstar | 1.69 × 10−2 | 8.72 × 10−3 | |
| Bromacil | 3.83 × 10−1 | 1.16 × 10−1 | |
| Bromacil, lithium | (1) | (1) | |
| Bromoxynil | 3.95 × 10−3 | 1.27 × 10−3 | |
| Bromoxynil octanoate | 3.95 × 10−3 | 1.27 × 10−3 | |
| Busan 40 [Potassium N-hydroxymethyl -N- methyldithiocarbamate] | 5.74 × 10−3 | 1.87 × 10−3 | |
| Busan 85 [Potassium dimethyldithiocarbamate] | 5.74 × 10−3 | 1.87 × 10−3 | |
| Butachlor | 5.19 × 10−3 | 1.54 × 10−3 | |
| Captafol | 4.24 × 10−6 | 1.31 × 10−6 | |
| Carbam-S [Sodium dimethyldithiocarbamate] | 5.74 × 10−3 | 1.87 × 10−3 | |
| Carbaryl | 1.6 × 10−3 | 7.3 × 10−4 | |
| Carbofuran | 1.18 × 10−4 | 2.80 × 10−5 | |
| Chloroneb | 8.16 × 10−2 | 3.31 × 10−2 | |
| Chlorothalonil | 1.51 × 10−3 | 4.57 × 10−4 | |
| Chlorpyrifos | 8.25 × 10−4 | 2.43 × 10−4 | |
| Cyanazine | 1.03 × 10−2 | 3.33 × 10−3 | |
| Dazomet | 5.74 × 10−3 | 1.87 × 10−3 | |
| DCPA | 7.79 × 10−2 | 2.64 × 10−2 | |
| DEF [S,S,S-Tributyl phosphorotrithioate] | 1.15 × 10−2 | 5.58 × 10−3 | |
| Diazinon | 2.82 × 10−3 | 1.12 × 10−3 | |
| Dichlorprop Salts and Esters | (1) | (1) | |
| Dichlorvos | 9.6 × 10−5 | 2.95 × 10−5 | |
| Dinoseb | 4.73 | 1.43 | |
| Dioxathion | 3.40 × 10−2 | 1.29 × 10−2 | |
| Disulfoton | 7.33 × 10−3 | 3.79 × 10−3 | |
| Diuron | 3.15 × 10−2 | 1.4 × 10−2 | |
| Endothall Salts and Esters | (1) | (1) | |
| Endrin | 2.2 × 10−2 | 5.1 × 10−3 | |
| Ethalfluralin | 3.22 × 10−4 | 1.09 × 10−4 | 1 |
| Ethion | 5.51 × 10−3 | 1.57 × 10−3 | |
| Fenarimol | 1.02 × 10−1 | 3.61 × 10−2 | |
| Fensulfothion | 1.48 × 10−2 | 7.64 × 10−3 | |
| Fenthion | 1.83 × 10−2 | 9.45 × 10−3 | |
| Fenvalerate | 5.40 × 10−3 | 2.08 × 10−3 | |
| Heptachlor | 8.8 × 10−3 | 2.9 × 10−3 | |
| Isopropalin | 7.06 × 10−3 | 2.49 × 10−3 | 1 |
| KN Methyl [Potassium N-methyldithiocarbamate] | 5.74 × 10−3 | 1.87 × 10−3 | |
| Linuron | 2.69 × 10−3 | 1.94 × 10−3 | |
| Malathion | 2.35 × 10−4 | 9.55 × 10−5 | |
| MCPA Salts and Esters | (1) | (1) | |
| MCPP Salts and Esters | (1) | (1) | |
| Merphos | 1.15 × 10−2 | 5.58 × 10−3 | |
| Methamidophos | 1.46 × 10−2 | 7.53 × 10−3 | |
| Methomyl | 3.82 × 10−3 | 1.76 × 10−3 | |
| Methoxychlor | 3.23 × 10−3 | 1.31 × 10−3 | |
| Metribuzin | 1.36 × 10−2 | 7.04 × 10−3 | |
| Mevinphos | 1.44 × 10−4 | 5.10 × 10−5 | |
| Nabam | 5.74 × 10−3 | 1.87 × 10−3 | |
| Nabonate | 5.74 × 10−3 | 1.87 × 10−3 | |
| Naled | (1) | (1) | |
| Norflurazon | 7.20 × 10−4 | 3.10 × 10−4 | |
| Organo-tin pesticides | 1.72 × 10−2 | 7.42 × 10−3 | 3 |
| Parathion | 7.72 × 10−4 | 3.43 × 10−4 | |
| Parathion methyl | 7.72 × 10−4 | 3.43 × 10−4 | |
| PCNB | 5.75 × 10−4 | 1.90 × 10−4 | |
| Pendimethalin | 1.30 × 10−2 | 3.99 × 10−3 | |
| Permethrin | 2.32 × 10−4 | 6.06 × 10−5 | |
| Phorate | 3.12 × 10−4 | 9.37 × 10−5 | |
| Phosmet | (1) | (1) | 4 |
| Prometon | 7.72 × 10−3 | 2.53 × 10−3 | |
| Prometryn | 7.72 × 10−3 | 2.53 × 10−3 | |
| Pronamide | 6.64 × 10−4 | 2.01 × 10−4 | |
| Propachlor | 5.19 × 10−3 | 1.54 × 10−3 | |
| Propanil | 1.06 × 10−3 | 4.84 × 10−4 | |
| Propazine | 7.72 × 10−3 | 2.53 × 10−3 | |
| Pyrethrin I and Pyrethrin II | 1.24 × 10−2 | 3.33 × 10−3 | |
| Simazine | 7.72 × 10−3 | 2.53 × 10−3 | |
| Stirofos | 4.10 × 10−3 | 1.35 × 10−3 | |
| TCMTB | 3.89 × 10−3 | 1.05 × 10−3 | |
| Tebuthiuron | 9.78 × 10−2 | 3.40 × 10−2 | |
| Terbacil | 3.83 × 10−1 | 1.16 × 10−1 | |
| Terbufos | 4.92 × 10−4 | 1.26 × 10−4 | |
| Terbuthylazine | 7.72 × 10−3 | 2.53 × 10−3 | |
| Terbutryn | 7.72 × 10−3 | 2.53 × 10−3 | |
| Toxaphene | 1.02 × 10−2 | 3.71 × 10−3 | |
| Triadimefon | 6.52 × 10−2 | 3.41 × 10−2 | |
| Trifluralin | 3.22 × 10−4 | 1.09 × 10−4 | 1 |
| Vapam [Sodium methyldithiocarbamate] | 5.74 × 10−3 | 1.87 × 10−3 | |
| Ziram [Zinc dimethyldithiocarbanate] | 5.74 × 10−3 | 1.87 × 10−3 | |
1 No discharge of process wastewater pollutants.
Notes:
1 Monitor and report as total Trifluralin.
2 Pounds of product include Benomyl and any Carbendazim production not converted to Benomyl.
3 Monitor and report as total tin.
4 Applies to purification by recrystalization portion of the process.
[58 FR 50695, Sept. 28, 1993, as amended at 63 FR 39443, July 22, 1998]