2021 Assessment Recommendation Code Updates

Added 6 New ARC Codes

New codes in 2021
ARC	Description
2.4231	REDUCE THE PRESSURE OF COMPRESSED AIR TO THE MINIMUM REQUIRED
2.2449	RECOVER HEAT FROM EXHAUSTED STEAM, HOT AIR OR HOT WATER
2.7229	AIR CONDITION ONLY SPACE NECESSARY
2.8118	CHECK FOR ACCURACY OF UTILITY / POWER METERS
3.1175	USE A DIFFERENT OR RECYCLED RAW MATERIAL
3.5248	SEPARATE AND RECYCLE SCRAP METAL TO FOUNDRY OR FOR SALE

Merged Similar ARC Codes

On a narrow screen, scroll the table horizontally to see the replacement codes.

Old codes and their merged replacements
Old ARC	Old Description	Merged ARC	Merged Description
2.1321	REPLACE FOSSIL FUEL EQUIPMENT WITH ELECTRICAL EQUIPMENT	2.1321	REPLACE FOSSIL FUEL EQUIPMENT WITH ELECTRICAL EQUIPMENT
2.1322	USE ELECTRIC HEAT IN PLACE OF FOSSIL FUEL HEATING SYSTEM
2.1323	REPLACE GAS-FIRED ABSORPTION AIR CONDITIONERS WITH ELECTRIC UNITS
2.1331	BURN A LESS EXPENSIVE GRADE OF FUEL	2.1331	BURN A LESS EXPENSIVE GRADE OF FUEL
2.1334	CONVERT OIL OR GAS BURNERS TO COMBUSTION OF COAL	2.1331	BURN A LESS EXPENSIVE GRADE OF FUEL
2.2141	OPERATE DISTILLATION COLUMNS EFFICIENTLY	2.2141	OPERATE DISTILLATION COLUMNS EFFICIENTLY
2.2142	UPGRADE DISTILLATION HARDWARE	2.2141	OPERATE DISTILLATION COLUMNS EFFICIENTLY
2.2445	RECOVER HEAT FROM EXHAUSTED STEAM	2.2449	RECOVER HEAT FROM EXHAUSTED STEAM, HOT AIR OR HOT WATER
2.2446	RECOVER HEAT FROM HOT WASTE WATER
2.2494	RECOVER HEAT IN DOMESTIC HOT WATER GOING TO DRAIN
2.2495	USE EXHAUST HEAT FROM BUILDING FOR SNOW AND ICE REMOVAL
2.2496	HEAT SERVICE HOT WATER WITH AIR CONDITIONING EQUIPMENT
2.2696	USE EXCESS COLD PROCESS FLUID FOR INDUSTRIAL COOLING NEEDS	2.2696	USE EXCESS COLD PROCESS FLUID FOR INDUSTRIAL COOLING NEEDS
2.5116	USE EXCESS COLD PROCESS FLUID FOR INDUSTRIAL COOLING NEEDS	2.2696	USE EXCESS COLD PROCESS FLUID FOR INDUSTRIAL COOLING NEEDS
2.4239	ELIMINATE OR REDUCE COMPRESSED AIR USAGE	2.4239	ELIMINATE OR REDUCE COMPRESSED AIR USAGE
2.4233	ELIMINATE PERMANENTLY THE USE OF COMPRESSED AIR	2.4239	ELIMINATE OR REDUCE COMPRESSED AIR USAGE
2.7222	AIR CONDITION ONLY SPACE IN USE	2.7229	AIR CONDITION ONLY SPACE NECESSARY
2.7223	CONDITION SMALLEST SPACE NECESSARY	2.7229	AIR CONDITION ONLY SPACE NECESSARY
2.8111	CHECK FOR ACCURACY OF UTILITY METERS	2.8118	CHECK FOR ACCURACY OF UTILITY / POWER METERS
2.8116	CHECK FOR ACCURACY OF POWER METER	2.8118	CHECK FOR ACCURACY OF UTILITY / POWER METERS
3.1115	ORDER PAINT PIGMENTS IN PASTE FORM INSTEAD OF DRY POWDER TO ELIMINATE HAZARDOUS DUST WASTE	3.1175	USE A DIFFERENT OR RECYCLED RAW MATERIAL
3.1173	USE A DIFFERENT RAW MATERIAL
3.1174	USE A RECYCLED RAW MATERIAL
3.8313	ALTER RAW MATERIALS TO REDUCE AIR EMISSIONS
3.1116	REPAIR / UPGRADE GRATE CONVEYORS TO MINIMIZE LOSS OF COAL FINES	3.1191	CHANGE PROCEDURES / EQUIPMENT / OPERATING CONDITIONS
3.1191	CHANGE PROCEDURES / EQUIPMENT / OPERATING CONDITIONS
3.7113	USE MECHANICAL WIPERS FOR CLEANING OF VESSELS
3.1121	USE MORE EFFICIENT ADHESIVE APPLICATORS	3.1121	USE MORE EFFICIENT ADHESIVE APPLICATORS
3.1122	SWITCH FROM AUTOMATIC TO HAND APPLICATION	3.1121	USE MORE EFFICIENT ADHESIVE APPLICATORS
3.1161	ELIMINATE/REDUCE AN OPERATION	3.1161	ELIMINATE/REDUCE AN OPERATION
3.8115	REDUCE THE NUMBER OF PARTS WASHERS	3.1161	ELIMINATE/REDUCE AN OPERATION
3.1196	MONITOR SOLUTIONS TO MAINTAIN SOLUTION STRENGTH	3.2161	CLOSELY MONITOR CHEMICAL ADDITIONS TO INCREASE BATH LIFE
3.2134	USE HIGH PURITY ANODES TO INCREASE SOLUTION LIFE
3.2161	CLOSELY MONITOR CHEMICAL ADDITIONS TO INCREASE BATH LIFE
3.8112	USE DEIONIZED WATER FOR MAKE-UP AND RINSE WATER TO INCREASE SOLUTION LIFE
3.1244	REDUCE SOLUTION DRAG-OUT TO PREVENT SOLUTION LOSS	3.1244	REDUCE SOLUTION DRAG-OUT TO PREVENT SOLUTION LOSS
3.1245	EXTEND SOLUTION LIFE BY MINIMIZING DRAG-IN
3.1247	USE DRAG-OUT REDUCTION METHODS (GRAVURE)-SEE SURFACE COATING
3.1291	ELIMINATE PRACTICE OF MIXING WASTE STREAMS	3.1291	ELIMINATE PRACTICE OF MIXING WASTE STREAMS
3.1292	DEVELOP SEGREGATED SEWER SYSTEMS
3.1296	AVOID CONTAMINATION OF SCRAP GLASS AND REUSE AS FEED STOCK
3.2122	CONVERT FROM WATER CURTAIN SPRAY BOOTHS TO A DRY SYSTEM	3.2136	USE "WASH-LESS" PROCESSING EQUIPMENT
3.2136	USE "WASH-LESS" PROCESSING EQUIPMENT	3.2136	USE "WASH-LESS" PROCESSING EQUIPMENT
3.2162	INSTALL WEB BREAK DETECTORS TO PREVENT EXCESSIVE WASTE PAPER	3.2176	INCREASE USE OF AUTOMATION
3.2174	AUTOMATE INK MIXING
3.2176	INCREASE USE OF AUTOMATION
3.3124	USE CYCLONE SEPARATION TO REMOVE CONTAMINANTS	3.3128	UTILIZE OTHER METHODS TO REMOVE CONTAMINANTS
3.3128	UTILIZE OTHER METHODS TO REMOVE CONTAMINANTS	3.3128	UTILIZE OTHER METHODS TO REMOVE CONTAMINANTS
3.4142	RECYCLE CHLORINATION STAGE PROCESS WATER	3.5311	RECOVER AND REUSE WASTE MATERIAL
3.4143	USE WATER FROM THE WASHING SYSTEM IN THE CHLORINATION STAGE
3.5243	RECYCLE FILM FOR SILVER RECOVERY
3.5311	RECOVER AND REUSE WASTE MATERIAL
3.5143	RETURN SPENT SOLUTIONS TO THE MANUFACTURER	3.5143	RETURN SPENT SOLUTIONS TO THE MANUFACTURER
3.6191	RETURN SPENT SOLUTIONS TO THE MANUFACTURER	3.5143	RETURN SPENT SOLUTIONS TO THE MANUFACTURER
3.5245	SEPARATE AND RECYCLE SCRAP METAL TO FOUNDRY	3.5248	SEPARATE AND RECYCLE SCRAP METAL TO FOUNDRY OR FOR SALE
3.5246	SEGREGATE METALS FOR SALE TO A RECYCLER	3.5248	SEPARATE AND RECYCLE SCRAP METAL TO FOUNDRY OR FOR SALE
3.7125	SHORTEN PAINT LINES AS MUCH AS POSSIBLE	3.7214	REDUCE OR ELIMINATE WASTE
3.7127	MINIMIZE PART CONTAMINATION BEFORE WASHING
3.7214	REDUCE OR ELIMINATE WASTE
3.7133	USE RAGS SIZED FOR EACH JOB	3.7211	MODIFY MATERIAL APPLICATION METHODS
3.7211	MODIFY MATERIAL APPLICATION METHODS
3.7213	USE MORE EFFICIENT SPRAY METHOD FOR GELCOAT APPLICATION
3.7212	IMPROVED MATERIAL HANDLING (MIXING AND TRANSFER)	3.7212	IMPROVED MATERIAL HANDLING (MIXING AND TRANSFER)
3.8111	MAINTAIN WATER SEPARATOR AND COMPLETELY DRY PARTS TO AVOID WATER CONTAMINATION OF SOLVENT	3.7212	IMPROVED MATERIAL HANDLING (MIXING AND TRANSFER)
4.125	MODIFY PROCESS TO REDUCE MATERIAL COSTS	4.131	MODIFY PROCESS TO REDUCE MATERIAL USE/COST
4.131	MODIFY PROCESS TO REDUCE MATERIAL USE/COST	4.131	MODIFY PROCESS TO REDUCE MATERIAL USE/COST
2.4231	REDUCE THE PRESSURE OF COMPRESSED AIR TO THE MINIMUM REQUIRED	2.4239	ELIMINATE OR REDUCE COMPRESSED AIR USAGE
2.4239	ELIMINATE OR REDUCE COMPRESSED AIR USAGE	2.4239	ELIMINATE OR REDUCE COMPRESSED AIR USAGE

Technical documents and ARC manuals